Earphones

Abstract

One or more embodiments of the present specification relate to an earphone, the earphone including a speaker assembly attached to a head of a human body and transmitting sound, a functional assembly electrically connected to the speaker assembly and controlling the speaker assembly, and an ear hook connected between the speaker assembly and the functional assembly, wherein the speaker assembly or the functional assembly is adjustable in attitude or position relative to the ear hook.

Description

[Technical field]

[0001] The present disclosure relates to the field of acoustics, and in particular to earphones.

[0002] [Incorporated by reference] This application claims priority to Chinese patent application having application number 202120907335.7 filed on April 28, 2021, Chinese patent application having application number 202120905254.3 filed on April 28, 2021, Chinese patent application having application number 202120908662.4 filed on April 28, 2021, Chinese patent application having application number 202120908450.6 filed on April 28, 2021, and Chinese patent application having application number 202120906926.2 filed on April 28, 2021, the entire contents of which are incorporated herein by reference. [Background technology]

[0003] Earphones are widely applied in people's daily life, and can be used in combination with electronic devices such as mobile phones and computers to allow users to enjoy a feast of hearing. According to the operation principle of earphones, they are generally divided into air conduction earphones and bone conduction earphones. According to the manner in which a user wears an earphone, they are generally divided into headphones, ear-hook earphones, and in-ear earphones. According to the interaction manner between the earphone and an electronic device, they are generally divided into wired earphones and wireless earphones. Currently, headphones or ear-hook earphones can usually be fixed around the user's ear by a fixing structure (e.g., ear-hook, back-hook), and the comfort and stability of wearing the earphone have a great impact on the user's choice and experience. Summary of the Invention [Problem to be solved by the invention]

[0004] Therefore, there is a need to provide an earphone that improves the user's wearing comfort and the wearing stability of the earphone. [Means for solving the problem]

[0005] The earphones according to the embodiments of the present specification include a speaker assembly that is attached to the head of a human body and transmits sound, a functional assembly that is electrically connected to the speaker assembly and controls the speaker assembly, and an ear hook that is connected between the speaker assembly and the functional assembly, and the speaker assembly or the functional assembly is adjustable in posture or position relative to the ear hook.

[0006] In some embodiments, the ear hook is rigidly connected between the speaker assembly and the functional assembly such that a first surface of the speaker assembly facing the human head and a second surface of the functional assembly facing the human head form a predetermined angle, and the force due to contact between the first surface and the human head is greater than or equal to 0.1 N and less than or equal to 4.5 N.

[0007] In some embodiments, the predetermined included angle is in the range of 5 degrees to 10 degrees.

[0008] In some embodiments, the first surface includes an outwardly protruding arcuate surface.

[0009] In some embodiments, the corners of the functional assembly approaching the back side of the body ear are chamfered.

[0010] In some embodiments, the functional assembly is telescopically connected to the earhook.

[0011] In some embodiments, the ear hook includes a first tube and a second tube, one end of the first tube being rigidly connected to the speaker assembly and the other end being telescopically connected to one end of the second tube, and the other end of the second tube being rigidly connected to the functional assembly.

[0012] In some embodiments, the functional assembly is movably connected to the earhook and is deflectable to follow an external force when the functional assembly is touched by the external force.

[0013] In some embodiments, a rotation hole is provided in the functional assembly, and one end of the ear hook is rotatably connected to the rotation hole.

[0014] In some embodiments, the functional assembly further includes a functional housing and a movable connecting member, the functional housing housing a circuit board and / or a battery, and the ear hook and the functional housing are connected by the movable connecting member.

[0015] In some embodiments, the movable connecting member is a torsion spring.

[0016] In some embodiments, the movable connecting member is a damped pivot.

[0017] In some embodiments, when the functional assembly is not in contact with the head and ear of the human body, the surface of the functional assembly facing the head of the human body is in a first position, and when the functional assembly is worn, the surface of the functional assembly facing the head of the human body is in a second position, and the deflection angle between the surface of the functional assembly facing the head of the human body at the first position and the surface of the functional assembly facing the head of the human body at the second position is in the range of 0 degrees to a predetermined threshold angle.

[0018] In some embodiments, the value of the predetermined threshold angle is in the range of 10 degrees to 20 degrees.

[0019] In some embodiments, the functional assembly is biased towards one side closer to the human head and / or towards one side away from the human head.

[0020] In some embodiments, the corners of the functional assembly approaching the back of the outer ear are chamfered.

[0021] In some embodiments, the ear hook is a resilient ear hook and is fixedly connected to the front or bottom side of the speaker assembly.

[0022] In some embodiments, the speaker assembly is adjustable in position relative to the earpiece.

[0023] In some embodiments, the side of the speaker assembly away from the human head is movably connected to one end of the earhook.

[0024] In some embodiments, the speaker assembly is connected to the earhook by a universal joint.

[0025] In some embodiments, the ear hook is a resilient ear hook and is fixedly connected to a front side of the speaker assembly.

[0026] In some embodiments, the ear hook is a resilient ear hook and is fixedly connected to a bottom side of the speaker assembly.

[0027] In some embodiments, a side of the speaker assembly facing the human head includes an outwardly protruding arcuate surface, the arcuate surface being in close contact with the human head.

[0028] In some embodiments, an adhesive layer is provided on an edge of the side of the speaker assembly facing the head of the human body, and the adhesive layer is attached to the head of the human body.

[0029] In some embodiments, a non-slip member is provided on the edge of the side of the speaker assembly facing the head of the human body.

[0030] In some embodiments, the anti-slip member has a plurality of protrusions disposed on a side thereof facing away from the speaker assembly.

[0031] In some embodiments, the speaker assembly further comprises a water-absorbing gel layer on a side thereof facing the human head.

[0032] In some embodiments, the speaker assembly, the functional assembly and the ear hooks are installed in two sets, positioned corresponding to the left and right sides of the human head, respectively, and the earphones further include a back hook connected between the two sets of the functional assemblies or between the two sets of the ear hooks, the position of which is adjustable relative to the functional assemblies.

[0033] In some embodiments, the back hook is rotatably connected to the functional assembly or the ear hook.

[0034] In some embodiments, the back piece is stretchably connected to the functional assembly.

[0035] In some embodiments, the functional assembly is block-shaped, one end of the ear hook is connected to a widthwise side of the functional assembly, the back hook is movably connected between two sets of the ear hooks, and the total weight of the speaker assembly is greater than the sum of the total weights of the functional assembly and the back hook.

[0036] In some embodiments, in a worn state, the ear hooks are supported by a person's ears and the moment generated by the two sets of the speaker assemblies is balanced with the moment generated by the two sets of the functional assemblies and the back hook.

[0037] In some embodiments, the moment from the two sets of speaker assemblies to the support points of the ear hooks at the person's ears balances the moment from the two sets of functional assemblies and the back hooks to the support points of the ear hooks at the person's ears.

[0038] In some embodiments, the functional assembly is block-shaped and installed vertically, the back piece is connected between two longitudinal sides of the functional assembly, and the back piece is slidably connected to the functional assembly.

[0039] In some embodiments, the back strap includes a first sliding portion and two second sliding portions, both ends of the first sliding portion are slidably connected to the two second sliding portions, and the second sliding portions are connected to corresponding functional assemblies, or both ends of the back strap are slidably connected to corresponding functional assemblies, and can be adjusted by sliding along the widthwise edges of the functional assemblies.

[0040] In some embodiments, the two sets of functional assemblies are clamped to either side of the human head, and when worn, the moment from the two sets of speaker assemblies to the corresponding functional assemblies is balanced with the moment from the back hanging to the functional assemblies.

[0041] In some embodiments, the back strap is connected between two sets of the ear straps, and in a worn state, the back strap is supported on the top of the head, the back strap includes a first head mounting portion and two second head mounting portions, one ends of the two second head mounting portions are respectively rotatably connected to one ends of the first head mounting portion, and the second head mounting portions are also connected to the ear straps, and in a worn state, the second head mounting portions are rotatable around a vertical direction relative to the first head mounting portion.

[0042] In some embodiments, the moment generated by the speaker assembly balances the moment generated by the functional assembly.

[0043] In some embodiments, the functional assembly is connected to one end of the earhook and is arranged to be streamlined with the earhook, and both ends of the back hook are each connected to one end of the corresponding functional assembly away from the earhook and arranged to be streamlined with the functional assembly.

[0044] In some embodiments, the inclination of the functional assembly relative to the earhook is in the range of 0 degrees to 15 degrees.

[0045] In some embodiments, a length dimension of the functional assembly along an extension direction of the earhook is greater than a body dimension of the functional assembly along a direction perpendicular to the extension direction.

[0046] In some embodiments, the ratio of a length dimension of the functional assembly along the extension direction of the earhook to a body dimension of the functional assembly along a direction perpendicular to the extension direction is less than 10.

[0047] In some embodiments, the body dimension is less than 10 mm.

[0048] In some embodiments, the body dimension is 8 mm and the length dimension is 40 mm.

[0049] In some embodiments, the back piece includes a metal body, and the metal body is electrically connected to the functional assembly to serve as an antenna of the earphone.

[0050] In some embodiments, both ends of the metal body are electrically connected to two sets of the functional assemblies, respectively.

[0051] In some embodiments, the metal body includes a first sub-antenna and a second sub-antenna, each of which is electrically connected to a corresponding one of the functional assemblies and spaced apart from each other.

[0052] The present specification will be further illustrated by example embodiments, which are not limiting and will be described in detail with reference to the drawings, in which like numbers refer to like structures. [Brief description of the drawings]

[0053] [Figure 1] FIG. 1 is a block diagram of an example earphone in accordance with some embodiments of the present disclosure. [Diagram 2] FIG. 2 is a schematic diagram showing a connection between the speaker assembly and the ear hook in FIG. 1 according to some embodiments of the present specification. [Diagram 3] FIG. 2 is another schematic diagram illustrating a connection between the speaker assembly and the ear hook in FIG. 1 according to some embodiments of the present disclosure. [Figure 4] FIG. 2 is yet another schematic diagram illustrating a connection configuration between the speaker assembly and the ear hook in FIG. 1 according to some embodiments of the present disclosure. [Diagram 5] FIG. 2 is a schematic diagram of the speaker assembly and the functional assembly in FIG. 1 according to some embodiments of the present disclosure. [Figure 6] FIG. 2 is a block diagram of another example earphone in accordance with some embodiments of the present disclosure. [Figure 7] FIG. 7 is a schematic diagram showing a connection form between the functional assembly and the ear hook in FIG. 1 or FIG. 6 according to some embodiments of the present specification. [Figure 8] FIG. 1 is a block diagram of yet another example earphone in accordance with some embodiments of the present disclosure. [Figure 9] FIG. 9 is a configuration diagram of the earphone in FIG. 8 according to some embodiments of the present specification when the moment is balanced in the worn state. [Figure 10] FIG. 7 is a schematic diagram of the moment balance in the wearing state of the earphone in FIG. 6 according to some embodiments of the present disclosure. [Figure 11] FIG. 1 is a block diagram of yet another example earphone in accordance with some embodiments of the present disclosure. [Figure 12]FIG. 12 is a schematic diagram of the moment balance in the wearing state of the earphone in FIG. 11 according to some embodiments of the present disclosure. [Figure 13] FIG. 13 is a schematic diagram of another earphone according to some embodiments of the present specification in a worn state in which moments are balanced. [Figure 14] FIG. 1 is a block diagram of yet another example earphone in accordance with certain embodiments of the present disclosure. [Figure 15] FIG. 2 is an exploded schematic diagram of a rear hanging according to some embodiments of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0054] In order to more clearly describe the technical means of the embodiments of the present specification, the drawings necessary for the description of the embodiments will be briefly described below. Obviously, the drawings described below are only some examples or embodiments of the present specification, and those skilled in the art can apply the present specification to other similar scenarios based on these drawings without creative efforts. Unless otherwise clear from the language environment or described otherwise, the same symbols in the drawings indicate the same structures or operations.

[0055] It should be understood that the terms "system," "apparatus," "unit," and / or "module" used herein are ways of distinguishing between different levels of assemblies, elements, components, parts, or structures, however, other terms may be used in place of the above terms if they achieve the same purpose.

[0056] As used in this specification and claims, unless the context clearly dictates otherwise, terms such as "a," "one," "one kind," and / or "the" do not specifically refer to the singular but may include the plural. In general, the terms "comprise" and "containing" are merely intended to indicate the inclusion of explicitly identified steps and elements, and these steps and elements are not intended to be an exclusive listing, and a method or apparatus may include other steps or elements.

[0057] Flowcharts are used herein to describe operations performed by the system according to the embodiments of the present invention. It should be understood that the preceding and subsequent operations are not necessarily performed in exact order. Instead, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to these processes, or one or more operations may be removed from these processes.

[0058] The embodiments of the present specification provide an earphone. In some embodiments, according to the wearing manner of the earphone, the earphone in the embodiments of the present specification may be a headphone or an ear-hook type earphone. When a user wears the earphone, the weight of the earphone can be mainly received by the user's head, for example, the weight of the earphone is received by the human body's ear, or the weight of the earphone is received by the human body's head. In some embodiments, according to the operation principle of the earphone, the earphone in the embodiments of the present specification may be an air conduction earphone, a bone conduction earphone, or a bone conduction air conduction combined earphone. The bone conduction air conduction combined earphone may be an earphone that can generate both air conduction sound and bone conduction sound.

[0059] The bone conduction earphone contacts the skin of the human body and transmits sound to the human auditory system through the bones of the human body, so that the user can hear the sound. In some embodiments, the bone conduction earphone can obtain an audio signal including audio information and vibrate based on the audio signal, and the vibration can be transmitted to the user's bones by a transmission member (e.g., a vibration panel), and the user's auditory system can further perceive the audio information by receiving the vibration through the bones. In some embodiments, the bone conduction earphone can receive a signal including audio information, convert the audio information into audio vibrations by a transducer, and then transmit the sound to the user's sensory organs, so that the sound is heard.

[0060] In some embodiments, the earphone may include a speaker assembly, a functional assembly, and an ear hook. The speaker assembly is in close contact with the head of a human body and can transmit sound. The functional assembly is electrically connected to the speaker assembly and can control the sound transmission of the speaker assembly. The ear hook is connected between the speaker assembly and the functional assembly and can fix the speaker assembly to the head or ear of a user. In some embodiments, the earphone may further include a back hook connected between the two sets of functional assemblies or between the two sets of ear hooks. In some embodiments, the earphone may include two sets of speaker assemblies, two sets of functional assemblies, and two sets of ear hooks located near the left and right ears of a human body, respectively, and the back hook is connected between the two sets of functional assemblies or between the two sets of ear hooks, and the back hook can cooperate with the ear hook to better fix the earphone to the head or ear of a user. In some embodiments, the earphone may not include a back hook, and can be attached to the ear of a human body only by the ear hook. For example, the ear hook is installed to have a structure (e.g., a hook-shaped structure, a C-shaped structure) that fits the ear of the human body, and can be hung on the ear of the human body.

[0061] In some embodiments, by adjusting the structure of each component of the earphone and the connection relationships (e.g., connection forms) and relative positions between each component, when a user is wearing the earphone, the earphone is in close contact with the user's head but does not impart a significant feeling of pressure to the user, thereby improving the wearing comfort of the user; and at the same time, the earphone achieves moment balance with respect to the support position, which helps to adjust the balance of the earphone, thereby improving the wearing stability of the user.

[0062] FIG. 1 is a block diagram of an example earphone in accordance with some embodiments of the present disclosure.

[0063] As shown in FIG. 1, the earphone 100 may include a speaker assembly 10, a function assembly 20, an ear hook 30, and a back hook 40. The speaker assembly 10 is attached to the head of a human body and can transmit sound. The function assembly 20 is electrically connected to the speaker assembly 10 and can control the sound transmission of the speaker assembly 10. The ear hook 30 is connected between the speaker assembly 10 and the function assembly 20 and can fix the speaker assembly 10 near the ear of a user. In some embodiments, there may be two speaker assemblies 10, two function assemblies 20, and two ear hooks 30, which are respectively attached to the left and right sides of the head of a human body. The back hook 40 is connected between two function assemblies 20 or between two ear hooks 30.

[0064] The speaker assembly 10 may include a core housing and an earphone core. The core housing is connected to one end of the ear hook 30 and houses the earphone core. In some embodiments, the core housing may include two housing parts, for example, a first core housing part and a second core housing part, which are connected to each other by a mating connection (or fastener, adhesive, etc.) to form a space for housing the earphone core. The earphone core is located in the interior space formed by the core housing. The earphone core may convert an electrical signal into a corresponding mechanical vibration (i.e., "generate sound"). The earphone core may be electrically connected to the functional assembly 20. In some embodiments, the speaker assembly 10 may transmit sound by bone conduction or air conduction. In the bone conduction manner, the vibration generated by the earphone core may be transmitted to the user's face through the core housing. In the air conduction manner, the vibration generated by the earphone core can promote air vibration to generate sound, and the sound is transmitted to the outside of the core housing through one or more sound conducting holes on the core housing, and then conducted to the user's ear.

[0065] The functional assembly 20 may include a functional housing, a circuit board, and / or a battery. In some embodiments, the functional housing may be connected to the other end (the end away from the speaker assembly 10) of the ear hook 30, and the functional housing of the functional assembly 20 is physically connected to the core housing of the speaker assembly 10 by the ear hook 30. An accommodating space for accommodating the circuit board and / or the battery may be formed inside the functional housing. In some embodiments, the functional assembly 20 may be electrically connected to the speaker assembly 10 to realize control of the sound transmission of the speaker assembly 10. For example, the circuit board in the functional assembly 20 may be electrically connected (e.g., electrically connected by a conductor or a flexible board) to the earphone core of the speaker assembly 10 so as to control the sound generation of the earphone core. The circuit board may control the earphone core to convert an electrical signal into mechanical vibrations, and further transmit sound to the user in a bone conduction manner or an air conduction manner. In some embodiments, the functional assembly 20 may provide electrical energy to the earphone 100. For example, the battery in the functional assembly 20 may be electrically connected to the earphone core of the speaker assembly 10 to provide electrical energy for sound generation in the earphone core. In some embodiments, the circuit board and the battery may be located in the same functional housing. In some embodiments, the circuit board and the battery may be located in two functional housings, respectively, and electrically connected to each other by corresponding conductors and further electrically connected to the earphone core in the speaker assembly 10 by conductors.

[0066] The ear hook 30 may be connected between the speaker assembly 10 and the functional assembly 20. In some embodiments, the ear hook 30 may include a first ear hook portion and a second ear hook portion, and the first ear hook portion and the second ear hook portion are connected by a method such as an engagement connection or an adhesive. A wiring duct that accommodates a conductor or a flexible substrate from the functional assembly 20 to the speaker assembly 10 may be installed in the first ear hook portion, and the first ear hook portion and the second ear hook portion may be engaged and connected to avoid exposing the conductor or the flexible substrate.

[0067] The back hook 40 is connected between the two sets of functional assemblies 20 or between the two ear hooks 30. In some embodiments, when a user wears the earphones 100, the two sets of speaker assemblies 10 are located on the left and right sides of the human head, respectively, and the two ear hooks 30 and the back hook 40 cooperate to hold the human head and contact the user's skin, and further, for example, can realize the transmission of sound based on bone conduction technology. In some embodiments, the earphones 100 may not include the back hook 40, and can be attached to the ear of the human body only by the ear hook 30. For example, the ear hook 30 is installed to have a structure (e.g., a hook-shaped structure, a C-shaped structure) that fits the ear of the human body, and can be hung on the ear of the human body.

[0068] It should be noted that the earphone 100 according to the embodiment of the present specification may further include a microphone such as a microphone, a pickup, etc. The earphone 100 may collect an audio signal outside the earphone 100 through the microphone. The earphone 100 may further include a communication device such as Bluetooth or Near Field Communication (NFC), which is electrically connected to a circuit board and a battery through corresponding conductors to realize corresponding functions.

[0069] In addition, in the embodiment of the present specification, two speaker assemblies 10 are installed, and both speaker assemblies 10 can generate sound, so that the stereo effect of the earphone 100 can be achieved and the acoustic expressiveness of the earphone 100 can be improved. In other embodiments, the earphone 100 may be installed with only one speaker assembly 10 when applied to some other application scenarios where the requirements for the stereo effect are not particularly high, such as hearing aid for hearing-impaired patients and presentation of lines (to a presenter) during live broadcasting. In addition, the orientations used in the description of the embodiments of the present specification are described using a scenario in which the earphone 100 is worn on the head of a human body, so that the characteristics of the earphone 100 can be more concisely expressed, but biological characteristics such as the head of a human body should not be considered as characteristics of the earphone 100 claimed for protection in this specification.

[0070] In some embodiments, by adjusting the structure of each member of the earphone 100 and the connection relationship (e.g., connection method) and relative position between each member, when the user wears the earphone, the earphone is stably fixed to the user's head, but does not give a large sense of pressure to the user's head, and the stability and comfort when the user wears the earphone can be improved. For example, by setting the connection method between the speaker assembly 10 and the ear hook 30, the connection method between the ear hook 30 and the functional assembly 20, the connection method between the back hook 40 and the functional assembly 20 or the ear hook 30, the structure of the functional assembly 20, the structure of the ear hook 30, and the structure of the back hook 40, it is possible to have high stability and comfort when the earphone is worn. The structure, connection method, positional relationship, etc. of each member of the earphone will be described in detail below.

[0071] In some embodiments, the speaker assembly 10 may be fixedly connected to the ear hook 30. For example, the ear hook 30 and the speaker assembly 10 may be fixedly connected by adhesive, clinging, riveting, integral injection molding, or the like. In some embodiments, the speaker assembly 10 may be movably connected to the ear hook 30. For example, the ear hook 30 and the speaker assembly 10 may be movably connected by a hinge connection, a universal joint, or the like. In some embodiments, the first ear hook portion of the ear hook 30 and the first core housing portion of the speaker assembly 10 may be fixedly connected or movably connected.

[0072] FIG. 2 is a schematic diagram showing a connection form of the speaker assembly and the ear hook in FIG. 1 according to some embodiments of the present specification. As shown in FIG. 2, the speaker assembly 10 can be adjusted in attitude with respect to the ear hook 30, so that when the earphone 100 is worn, the speaker assembly 10 can be more closely attached to the head of the human body, and a low sound transmission effect due to the inclination of the speaker assembly 10 with respect to the head of the human body can be avoided. In some embodiments, the inclination of the speaker assembly 10 with respect to the head of the human body causes the speaker assembly 10 to not be closely attached to the head of the human body. In such a case, by adjusting the attitude of the speaker assembly, the surface of one side of the speaker assembly 10 facing the head of the human body can be more closely attached to the head of the human body. In some embodiments, the inclination of the speaker assembly 10 with respect to the head of the human body causes the position of the sound guide hole on the speaker assembly 10 to deviate from the direction of the ear canal of the user. In such a case, by adjusting the attitude of the speaker assembly, the sound guide hole (in the case of air conduction) on the speaker assembly 10 can be directed toward the ear canal of the user.

[0073] In some embodiments, the ear hook 30 may be a rigid ear hook. The ear hook 30 may be made of hard plastic or rubber, and a metal member such as a steel rod may be fitted inside the ear hook 30 so that the entire ear hook 30 is rigid and cannot be deformed. As shown in FIG. 2, the side of the speaker assembly 10 away from the human head is movably connected to one end of the ear hook 30 so that the attitude of the speaker assembly 10 is adjustable relative to the ear hook 30, and further ensures that when the user wears the earphone 100, the earphone 100 can be as tightly attached to the human head as possible.

[0074] In some embodiments, the speaker assembly 10 and the ear hook 30 may be movably connected by a universal joint. A smooth sphere is provided at one end of the ear hook 30 connected to the speaker assembly 10, a boss 10-1 is provided at the side of the speaker assembly 10 away from the human head, and a groove is provided in the boss 10-1, and the sphere is engaged in the groove and can rotate in the groove, thereby forming a universal joint structure. The sphere and the boss 10-1 can rotate relatively to realize the attitude adjustment of the speaker assembly 10 relative to the ear hook 30. In some embodiments, the adjustment range of the attitude adjustment of the speaker assembly 10 relative to the ear hook 30 can be realized by setting the dimensions of the groove of the boss 10-1 and the dimensions of the sphere on the ear hook 30. In some embodiments, in order to bring the side of the speaker assembly 10 facing the head of the human body into close contact with the head of the human body as much as possible or completely, the range of the angle of the speaker assembly 10 rotating about the vertical direction (shown in FIG. 2) with respect to the earhook 30 may be set to a range of plus or minus 5 degrees, and the range of the angle of the speaker assembly 10 rotating about the horizontal direction (shown in FIG. 2) with respect to the earhook 30 may be set to a range of plus or minus 10 degrees. In some embodiments, in order to bring the side of the speaker assembly 10 facing the head of the human body into close contact with the head of the human body as much as possible or completely in more cases, the range of the angle of the speaker assembly 10 rotating about the vertical direction with respect to the earhook 30 may be set to a range of plus or minus 10 degrees, and the range of the angle of the speaker assembly 10 rotating about the horizontal direction with respect to the earhook 30 may be set to a range of plus or minus 15 degrees. The plus or minus of the rotation angle means that the rotation direction when the speaker assembly 10 rotates about a certain direction with respect to the earhook 30 is different. For example, if the rotation direction of the speaker assembly 10 when rotating around a direction perpendicular to the earhook 30 is clockwise, the rotation angle may be a positive value, and if the rotation direction of the speaker assembly 10 when rotating around a direction perpendicular to the earhook 30 is counterclockwise, the rotation angle may be a negative value.

[0075] In some embodiments, as shown in FIG. 2, the ear hook 30 may include an extension portion 321 and an offset portion 322 connected to each other. The ear hook 30 is connected to the functional assembly 20 by the extension portion 321. The ear hook 30 is connected to the speaker assembly 10 by the offset portion 322. In some embodiments, the side of the extension portion 321 away from the human head and the side of the functional assembly 20 away from the human head may be flush with each other. The offset portion 322 is offset from the extension portion 321 in a direction away from the human head, and one end of the offset portion 322 is movably connected to the speaker assembly 10. In some embodiments, the thickness of the speaker assembly 10 is large, and the extension portion 321 is offset from the offset portion 322 in a direction closer to the human head, so that the functional assembly 20 connected to the extension portion 321 is also close to the human head, and the functional assembly 20 is prevented from abutting the back of the outer ear and causing discomfort behind the outer ear. The thickness of the speaker assembly 10 may be the distance between the side of the speaker assembly 10 that is in contact with the human skin and the side that is away from the human skin.

[0076] In some embodiments, the speaker assembly 10 may be hinged to the ear hook 30, and the position of the speaker assembly 10 may be adjusted around the hinge connection direction relative to the ear hook 30. In some embodiments, the hinge connection direction between the speaker assembly 10 and the ear hook 30 may be vertical or horizontal, thereby allowing the position of the speaker assembly 10 to be adjusted around the vertical or horizontal direction relative to the ear hook 30.

[0077] In some embodiments, the speaker assembly 10 may be further rotatably connected to the ear hook 30. The speaker assembly 10 and the ear hook 30 may be rotatably connected to each other by axial hole fitting. For example, a boss 10-1 is installed on the side of the speaker assembly 10 away from the head of the human body, a recessed hole is installed inside the boss 10-1, and one end of the ear hook 30 connected to the speaker assembly 10 is inserted into the hole and can rotate within the hole. In this installation method, the speaker assembly 10 can be rotated around the axis of the ear hook 30 to adjust its posture, improving the fit when the earphone 100 is worn, thereby improving the effect of the speaker assembly 10 being in close contact with the head of the human body.

[0078] 3 is another schematic diagram showing a connection form of the speaker assembly and the ear hook in FIG. 1 according to some embodiments of the present specification. As shown in FIG. 3, in some embodiments, the ear hook 30 may be an elastic ear hook. The ear hook 30 may be made of highly elastic materials such as silica gel, plastic, rubber, etc. The ear hook 30 is fixedly connected to the speaker assembly 10, and the elasticity of the ear hook 30 itself allows the speaker assembly 10 to adjust its posture relative to the ear hook 30.

[0079] As shown in FIG. 3, the ear hook 30 may be arc-shaped and extends in an arc shape from the connection position with the speaker assembly 10. The ear hook 30 is fixedly connected to the front side surface 101 of the speaker assembly 10 away from the ear of the human body. In some embodiments, the ear hook 30 may include a connected arc-shaped portion 311 and a horizontal portion 312. The arc-shaped portion 311 may be arc-shaped and connected to the functional assembly 20, and the horizontal portion 312 is linear and is placed horizontally or approximately horizontally when the earphone 100 is worn on the head of the human body. One end of the horizontal portion 312 away from the arc-shaped portion 311 is connected to the speaker assembly 10 so that the speaker assembly 10 adjusts its posture around the horizontal direction (shown in FIG. 3) when worn due to the elasticity of the ear hook 30. In some embodiments, in order to bring the side of the speaker assembly 10 facing the human head into close contact with the human head as much as possible or completely, the rotation range of the speaker assembly 10 when adjusting its attitude relative to the ear hook 30 may be within a range of plus or minus 15 degrees or plus or minus 10 degrees.

[0080] In some embodiments, when the surface of the speaker assembly 10 facing the head of the human body is inclined with respect to the head of the human body, the head of the human body contacts the surface of the speaker assembly 10 facing the head of the human body, so that the speaker assembly 10 receives a force and deflects to achieve posture adjustment, and the surface of the speaker assembly 10 facing the head of the human body is completely attached to the head of the human body. In some embodiments, the ear hook 30 is gradually inclined toward the head of the human body relative to the functional assembly 20 from one end connected to the functional assembly 20 to one end connected to the speaker assembly 10, so that the distance between the two sets of speaker assemblies 10 is smaller than the width of the head of the human body (the width of the head of the human body can be approximated to the distance between the left and right ears of the human body). When the earphone 100 is worn on the head of the human body, the head of the human body adaptively forms a clamping force on the speaker assembly 10, ensuring that the speaker assembly 10 adaptively adjusts its posture with respect to the ear hook 30. The clamping force may be the force that the human head applies to the speaker assembly 10 causing the speaker assembly 10 to deflect.

[0081] 4 is another schematic diagram showing a connection form of the speaker assembly and the ear hook in FIG. 1 according to some embodiments herein. In some embodiments, as shown in FIG. 4, the ear hook 30 may be an elastic ear hook and is fixedly connected to the lower surface 102 of the speaker assembly 10 that faces the chin of the human body. In some embodiments, the ear hook 30 may be curved and extend from between the speaker assembly 10 and the human ear and connected to the lower surface 102. In some embodiments, the ear hook 30 may be curved and extend from the front surface 101 (shown in FIG. 3) of the speaker assembly 10 that is away from the human ear and connected to the lower surface 102.

[0082] As shown in FIG. 4 , the ear hook 30 may include a first curved portion 331 and a second curved portion 332 connected to each other. The first curved portion 331 is connected to the functional assembly 20 and curves toward the chin of the human body relative to the functional assembly 20, and the second curved portion 332 is curved toward the lower surface 102 of the ear hook 30 relative to the first curved portion 331 and connected to the lower surface 102. In some embodiments, the second curved portion 332 may include a horizontal sub-portion 333 and a vertical sub-portion 334 curved and connected to each other, and the horizontal sub-portion 333 is connected to the first curved portion 331 and curved relative to the first curved portion 331 such that the second curved portion 332 extends below the lower surface 102. In a worn state, the horizontal sub-portion 333 may extend in a substantially horizontal direction. The vertical sub-portion 334 is curved and disposed relative to the horizontal sub-portion 333, and extends substantially vertically in a worn state. One end of the vertical sub-part 334 remote from the horizontal sub-part 333 is connected to the speaker assembly 10, so that the elasticity of the ear hook 30 allows the speaker assembly 10 to adjust its posture around the vertical direction when worn. In some embodiments, the rotation range of the speaker assembly 10 relative to the ear hook 30 during posture adjustment may be within a range of plus or minus 15 degrees or plus or minus 10 degrees so that the side of the speaker assembly 10 facing the human head fits closely to the human head as closely as possible or completely.

[0083] In some embodiments, similar to FIG. 3, the speaker assembly 10 is inclined toward the human head with respect to the ear hook 30, i.e., the speaker assembly 10 is inclined toward the human head from one end located at the connection point with the ear hook 30 to the end away from the connection point, and the human head provides a clamping force between the speaker assembly 10 and the human head, so that the speaker assembly 10 adaptively adjusts its posture with respect to the ear hook 30, and further the side of the speaker assembly 10 facing the human head is completely in contact with the human head.

[0084] In some embodiments, the side of speaker assembly 10 facing the human head may include an outwardly protruding arc surface, i.e., at least a portion of the side of speaker assembly 10 facing the human head is an outwardly protruding arc surface, and such an installation can improve the vibration resistance of earphone 100 by increasing the frictional force when speaker assembly 10 is placed against a person's face.

[0085] In some embodiments, an adhesive layer may be provided on the edge of the side of the speaker assembly 10 facing the head of the human body. When the adhesive layer is attached to the head of the human body and the side of the speaker assembly 10 facing the head of the human body is in close contact with the face of the person, the adhesive layer further reinforces the contact and can mitigate or even eliminate the situation where the speaker assembly 10 is not in close contact with the head of the human body and slips off due to other factors (e.g., exercise such as running or jumping rope). In some embodiments, the adhesive layer may be a medical adhesive or hydrogel, etc. The adhesive layer is replaceable. For example, the adhesive layer can be replaced after its adhesiveness decreases.

[0086] In some embodiments, a non-slip member may be installed on the edge of the side of the speaker assembly 10 facing the head of the human body. The non-slip member increases the frictional force between the side of the speaker assembly 10 facing the head of the human body and the head of the human body, and can mitigate and even eliminate the situation in which the speaker assembly 10 does not adhere to the head of the human body and slides off due to other factors. In some embodiments, the non-slip member may be a non-slip sleeve, which is fitted onto the edge of the side of the speaker assembly 10 facing the head of the human body. In some embodiments, the non-slip sleeve may be made of a material that is gentle on the skin so as to improve the wearing comfort of the user. In some embodiments, the non-slip member may be a non-slip rubber block. The non-slip rubber block can achieve the non-slip effect by effectively increasing the frictional force due to its rubber material. In some embodiments, the non-slip member may be a non-slip silica gel, which effectively increases the frictional force due to the large friction coefficient of the silica gel, and prevents the speaker assembly 10 from sliding off without being adhered to the head of the human body. In some embodiments, the non-slip material may be other suitable materials, such as a non-slip hydrogel.

[0087] In some embodiments, a plurality of convex particles may be provided on one side of the anti-slip member away from the speaker assembly 10, which can provide better anti-slip performance by improving the degree of contact with the user.

[0088] In some embodiments, a water-absorbing gel layer may be further provided on the side of the speaker assembly 10 facing the head of the human body. The water-absorbing gel layer may be provided at a position of the speaker assembly 10 that contacts the skin of the human face, and can absorb moisture at the position that contacts the skin of the face and prevent the speaker assembly 10 from slipping against the skin of the face, thereby increasing the frictional force between the speaker assembly 10 and the head of the human body.

[0089] By setting the connection method between the speaker assembly 10 and the earhook 30 (e.g., rotatable connection, fixed connection) and the structural type of the earhook 30 (e.g., elastic earhook, rigid earhook), the posture of the speaker assembly 10 relative to the earhook 30 can be adjusted, so that the side of the speaker assembly 10 facing the human head is as closely attached to the human head as possible, and the wearing stability of the earphone 100 and the sound effect of the earphone 100 transmitting sound to the human body can be further improved.

[0090] 5 is a schematic diagram of the speaker assembly and the functional assembly in FIG. 1 according to some embodiments of the present disclosure. As shown in FIG. 5, in some embodiments, the ear hook 30 may be rigidly connected between the speaker assembly 10 and the functional assembly 20. In some embodiments, the first surface 103 of the speaker assembly 10 facing the head of the human body and the second surface 201 of the functional assembly 20 facing the head of the human body form a certain, predetermined included angle β so that the functional assembly 20 does not contact the back of the outer ear when the first surface 103 is closely attached to the head of the human body, and the contact force between the first surface 103 and the head of the human body is 0.1 N or more and 4.5 N or less. In some embodiments, the first surface 103 may at least partially contact the head of a human body directly or indirectly, and the force of 0.1 N may be greater than the minimum force required for contacting the first surface 103 of the speaker assembly 10 with the head of a human body, and the force of 4.5 N may be less than the minimum force required for causing pain to the human body when the first surface 103 of the speaker assembly 10 contacts the head of a human body. When the force required for contact between the first surface 103 and the head of a human body is 0.1 N or more and 4.5 N or less, the first surface 103 can be stably contacted with the head of a human body without causing pain to the head due to excessive pressure on the head. By setting the force required for contact between the first surface 103 and the head of a human body to be in the range of 0.1 N to 4.5 N, the transmission efficiency and sound quality of the sound generated by the speaker assembly 10 to be transmitted to the human body can be improved.

[0091] In some embodiments, when the earphone 100 is a bone conduction earphone, the sound quality of the bone conduction earphone is related to the distribution of force on the first surface 103 of the speaker assembly 10. The frequency response curve of the speaker assembly 10 may be a superposition of frequency response curves of points on the first surface 103. In some embodiments, the force between the first surface 103 and the head of the human body may be 0.2N to 0.8N. In some embodiments, the force between the first surface 103 and the head of the human body may be 0.2N to 3.6N. In some embodiments, the force between the first surface 103 and the head of the human body may be 0.2N to 1.5N. In some embodiments, the force between the first surface 103 and the head of the human body may be 0.3N to 1.8N. For a more detailed description of the range and effect of contact forces (also referred to as clamping forces) between the speaker assembly and the human head (e.g., face), reference may be made to PCT application no. PCT / CN2015 / 086907, filed on August 13, 2015, the entire contents of which are incorporated herein by reference.

[0092] In some embodiments, when the earphone 100 is worn, the contact force between the first surface 103 of the speaker assembly 10 and the human head is between 0.1 N and 4.5 N, which can ensure the sound transmission efficiency and sound quality, and prevent the functional assembly 20 from contacting the back of the outer ear when worn, thereby improving wearing comfort.

[0093] In some embodiments, when the ear hook 30 is rigidly connected between the speaker assembly 10 and the functional assembly 20, the ear hook 30 may be a rigid ear hook and be fixedly connected to both the speaker assembly 10 and the functional assembly 20. In such an installation manner, the first surface 103 and the second surface 201 form a certain, predetermined included angle β, so that when the first surface 103 is completely sealed to the head of the human body, there is a gap between the functional assembly 20 and the back of the outer ear, and the functional assembly 20 can be prevented from abutting the back of the outer ear. In some embodiments, when the predetermined included angle β formed by the first surface 103 and the second surface 201 is within a certain range, it can be ensured that when the first surface 103 is completely sealed to the head of the human body, the functional assembly 20 is located in the space between the head of the human body and the outside behind the outer ear, and does not contact either the head of the human body or the outside behind the outer ear. In some embodiments, the predetermined included angle β between the first surface 103 and the second surface 201 may be in the range of 3 degrees to 15 degrees. In some embodiments, the predetermined included angle β between the first surface 103 and the second surface 201 may be in the range of 5 degrees to 10 degrees. In some embodiments, the predetermined included angle β between the first surface 103 and the second surface 201 may be in the range of 5 degrees to 8 degrees.

[0094] In some embodiments, the first surface 103 may be a side surface of the speaker assembly 10 facing the head of the human body, and the second surface 201 may be a side surface of the functional assembly 20 facing the head of the human body. In some embodiments, the first surface 103 and the second surface 201 may be a plane surface or an outwardly protruding arc surface. When the first surface 103 and / or the second surface 201 are plane surfaces, the predetermined included angle β may be an included angle formed by two planes. When the first surface 103 and / or the second surface 201 are arc surfaces, the predetermined included angle β may be an included angle between planes formed by the contour lines of the edges of the first surface 103 and the second surface 201, or may be an included angle between tangent planes of the apex (one side facing the apex of the human body when worn) of the two arc surfaces.

[0095] In some embodiments, the first surface 103 may include an outwardly protruding arc surface to improve the vibration resistance of the earphone 100 by increasing the frictional force when the speaker assembly 10 is attached to a person's face. In some embodiments, the arc surface may be distributed over the entire surface or a part of the surface of the first surface 103. When the first surface 103 includes an outwardly protruding arc surface, the arc surface can be attached to the person's face when the earphone 100 is worn. In contrast to the first surface 103 being flat, the arc surface increases the contact area between the speaker assembly 10 and the person's face, thereby increasing the frictional force between the earphone 100 and the person's face, and further preventing the earphone 100 from slipping off the head of the human body.

[0096] In some embodiments, as shown in FIG. 1 and FIG. 5, the corners of the functional assembly 20 approaching the back of the outer ear may be chamfered. The chamfering may include a corner chamfer, a rounded chamfer, and the like. When the chamfering is performed, a clearance space is left between the functional assembly 20 and the back of the outer ear, which reduces the risk of the functional assembly 20 contacting the back of the outer ear, and the functional assembly 20 can be further prevented from abutting the back of the outer ear. In some embodiments, the functional assembly 20 may be block-shaped. For example, the functional assembly 20 may be shaped like a rectangular parallelepiped, a cube, a column, and the like. For example, the functional assembly 20 is a rectangular parallelepiped block, and the second surface 201 of the functional assembly 20 may have a longitudinal side and a width side. The longitudinal side refers to a side of the second surface 201 that is parallel (or approximately parallel) to the extension direction of the ear hook 30. The width side refers to a side of the second surface 201 that is perpendicular (or approximately perpendicular) to the extension direction of the ear hook 30. In some embodiments, when the longitudinal side of the functional assembly 20 is installed along the extension direction of the ear hook 30, the widthwise side of the functional assembly 20 that faces behind the outer ear may be prone to abut against the back of the outer ear. In this case, the corner of the functional assembly 20 that approaches the back of the outer ear may be a corner on the widthwise side that faces behind the outer ear, and by chamfering the corner, the functional assembly 20 can be further prevented from abutting against the back of the outer ear.

[0097] FIG. 6 is a block diagram of another example earphone in accordance with some embodiments of the present disclosure.

[0098] 6, the functional assembly 20 may be elastically connected to the ear hook 30, i.e., the functional assembly 20 is fixedly connected to the ear hook 30 and expands and contracts due to the structure of the ear hook 30. When the functional assembly 20 expands and contracts due to the ear hook 30, the position of the functional assembly 20 can be adjusted to avoid the functional assembly 20 abutting against the back of the outer ear.

[0099] In some embodiments, the ear hook 30 may include a first tube 31 and a second tube 32. One end of the first tube 31 is rigidly connected to the speaker assembly 10, and the other end of the first tube 31 is telescopically connected to one end of the second tube 32, and the other end of the second tube 32 is rigidly connected to the functional assembly 20. In some embodiments, the first tube 31 and the second tube 32 may be slidably fitted to each other, and one end of the second tube 32 (the end away from the functional assembly 20) may be slidably inserted into one end of the first tube 31 (the end away from the speaker assembly 10) and fixed by a fastening member. The fastening member may include, but is not limited to, a screw, a pin, a lock nut, and the like. When fixed by the fastening member, the sliding of the first tube 31 and the second tube 32 can be limited. When the action of restricting and fixing the position of the first tube 31 and the second tube 32 by the fastening member is released, the first tube 31 and the second tube 32 can slide relative to each other, thereby allowing the position of the functional assembly 20 on the ear hook 30 to be adjusted. After the position adjustment of the functional assembly 20 is completed, the first tube 31 and the second tube 32 can be re-fixed by the fastening member.

[0100] In some embodiments, the first tube 31 and the second tube 32 are both provided with position limiting holes, and fastening members (e.g., screws or pins) may be drilled into the position limiting holes to fix the first tube 31 and the second tube 32. In some embodiments, a fastening member (e.g., a lock nut) may be screwed onto the end of the first tube 31 away from the speaker assembly 10, and the size of the end opening of the first tube 31 can be adjusted by screwing the position of the lock nut. When the end opening of the first tube 31 is large, the second tube 32 can slide telescopically relative to the first tube 31, and when the end opening of the first tube 31 is small, the end opening of the first tube 31 presses the second tube 32, further fixing the first tube 31 and the second tube 32.

[0101] In some embodiments, the earphone 100 may not include the back hook 40 and may be attached to the human ear only by the ear hook 30 (e.g., a hook-like structure, a C-shaped structure). The functional assembly 20 can be stretched by the ear hook 30 to adjust the position of the functional assembly 20 to accommodate different human ear shapes.

[0102] FIG. 7 is a schematic diagram showing a connection form between the functional assembly and the ear hook in FIG. 1 or FIG. 6 according to some embodiments of the present specification.

[0103] In some embodiments, as shown in Fig. 7, the ear hook 30 may be a rigid ear hook or an elastic ear hook, and the functional assembly 20 is movably connected to the ear hook 30, and when the functional assembly 20 is touched by an external force, it deflects following the external force, so that the functional assembly 20 can avoid the back of the head and the outer ear of the human body, and therefore the functional assembly 20 can avoid abutting the back of the head and the outer ear of the human body with a large pressure. In some embodiments, when the functional assembly 20 receives a certain abutting force from the back of the head or the outer ear of the human body, it deflects around the extension axis of the ear hook 30 to avoid the back of the head or the outer ear of the human body, so that the discomfort and pressure caused by the abutment of the functional assembly 20 with the back of the outer ear or the head of the human body can be avoided or eliminated.

[0104] In some embodiments, a rotation hole (not shown) is provided on one side of the functional assembly 20 connected to the ear hook 30, and one end of the ear hook 30 is rotatably connected to the rotation hole. The ear hook 30 is drilled into the rotation hole and is loosely fitted into the rotation hole, so that the functional assembly 20 can be deflected around the ear hook 30 when subjected to external force, and can adaptively deflect and avoid the back of the outer ear or the human head when it abuts against the functional assembly 20, thereby avoiding discomfort and a feeling of pressure.

[0105] In some embodiments, the functional assembly 20 may further include a functional housing and a movable connecting member (not shown), and the ear hook 30 and the functional housing may be movably connected by the movable connecting member. In some embodiments, the movable connecting member may have a torsion threshold. The torsion threshold is a force threshold that can twist the movable connecting member. When the external force received by the movable connecting member reaches the torsion threshold, the movable connecting member may deflect by a certain angle. In some embodiments, the movable connecting member may include a torsion spring or a damped rotating shaft, etc. In some embodiments, the movable connecting member may be a torsion spring, which may be drilled into the ear hook 30 and engaged with the functional housing. When the external force received by the functional assembly 20 reaches the torsion threshold of the torsion spring, the functional housing may deflect around the extension axis of the ear hook 30. In some embodiments, the torsion threshold of the torsion spring is set small so that the force caused by the contact between the functional housing and the back of the human head or outer ear can deflect the functional assembly 20 without causing a feeling of pressure. In some embodiments, the torsion threshold of the torsion spring may be adjusted by designing the structural parameters (e.g., dimensions, materials, etc.) of the torsion spring.

[0106] In some embodiments, the movable connecting member may be a damping rotary shaft, one end of which is connected to the functional housing and the other end of which is connected to the ear hook 30. When an external force received by the functional assembly 20 reaches a torsion threshold of the damping rotary shaft, the functional assembly 20 may be deflected by the damping rotary shaft and then held fixed relative to the ear hook 30. In some embodiments, the threshold of the damping rotary shaft may be set so that the external force can deflect the functional assembly 20 without causing a feeling of pressure. In some embodiments, the torsion threshold of the damping rotary shaft may be adjusted by designing the structural parameters (e.g., dimensions, materials, etc.) of the damping rotary shaft.

[0107] In some embodiments, the angle of deflection of the functional assembly 20 relative to the earhook 30 may be within a range of plus or minus a predetermined threshold angle. When the functional assembly 20 is not deflected, the deflection angle is 0 degrees, and deflection of the functional assembly 20 toward or away from the head can be defined as forward or reverse deflection, with corresponding deflection angles being positive or negative angles.

[0108] In some embodiments, the second surface 201 of the functional assembly 20 facing the head of the human body may be in a first position when the functional assembly 20 is not in contact with the head and ear of the human body, and the second surface 201 of the functional assembly 20 facing the head of the human body is in a second position when the functional assembly 20 is worn. The deflection angle between the second surface 201 of the functional assembly 20 facing the head of the human body in the first position and the second surface 201 of the functional assembly 20 facing the head of the human body in the second position is within a range of plus or minus a predetermined threshold angle. In other words, in the worn state, the functional assembly 20 may not contact the head and ear of the human body, the functional assembly 20 may not be deflected, the second surface 201 of the functional assembly 20 facing the head of the human body is in a first position, and the deflection angle is 0 degrees; in the worn state, the functional assembly 20 may further contact the head and ear of the human body and further deflect, and at this time, the second surface 201 is in a second position, and the deflection angle between the second surface 201 in the first position and the second surface 201 in the second position is within a range of plus or minus a predetermined threshold angle. In some embodiments, the predetermined threshold angle may be in a range of 10 degrees to 20 degrees. For example, the predetermined threshold angle may be 10 degrees, 14 degrees, 17 degrees, 20 degrees, etc. In some embodiments, the predetermined threshold angle may be 10 degrees, and the deflection angle of the functional assembly 20 with respect to the ear hook 30 is within a range of plus or minus 10 degrees. For example, the functional assembly 20 is deflected 5 degrees, 6 degrees, 8 degrees, etc., in a forward or backward direction relative to the ear hook 30. In some embodiments, the functional assembly 20 can further be deflected only to one side closer to the human head or to one side away from the human head, and the deflection angle between the second surface 201 of the functional assembly 20 facing the human head in the first position and the second surface 201 of the functional assembly 20 facing the human head in the second position is in the range of 0 degrees to a predetermined threshold angle.

[0109] In some embodiments, the corners of the functional assembly 20 approaching the back of the outer ear may be chamfered to prevent the functional assembly 20 from abutting the back of the outer ear; for more information regarding chamfering, please refer to the explanation above.

[0110] FIG. 8 is a structural diagram of yet another exemplary earphone according to some embodiments of the present disclosure. In some embodiments, as shown in FIG. 6 and FIG. 8, the back hook 40 may be connected between two pairs of functional assemblies 20 or between two pairs of ear hooks 30. For example, the back hook 40 in FIG. 6 is connected between two pairs of functional assemblies 20. Also, for example, the back hook 40 in FIG. 8 is connected between two pairs of ear hooks 30. In a worn state, the back hook 40 may be located at the back of the head (as shown in FIG. 6) or at the top of the head (as shown in FIG. 8). In some embodiments, the back hook 40 may be fixedly connected to the functional assemblies 20 or the ear hooks 30, i.e., the back hook 40 is not adjustable. The back hook 40 may be fixedly connected to the functional assemblies 20 or the ear hooks 30 by a manner such as integral injection molding, adhesive bonding, or screw connection.

[0111] In some embodiments, the position of the back piece 40 relative to the functional assembly 20 may be adjustable, thereby adjusting the attitude of the back piece 40, changing the center of gravity of the back piece 40, and adjusting the moment generated by the back piece 40 to balance the moment with respect to the support position of the earphone 100, and improving the wearing stability of the earphone 100. In some embodiments, by way of example only, the back piece 40 may be rotatably connected to the functional assembly 20 or the earpiece 30.

[0112] In some embodiments, as shown in Fig. 8, the back piece 40 may be connected to two sets of ear pieces 30 and worn on the top of the head. The ear pieces 30 are connected between the speaker assembly 10 and the functional assembly 20, and are not supported by the ears, but only perform a connecting function. In the worn state, the back piece 40 is supported on the top of the head, that is, when the earphones 100 are worn on the head of the human body, the support point of the earphones 100 is on the back piece 40, and in the stable wearing state of the earphones 100, the moment generated by the speaker assembly 10 and the moment generated by the functional assembly 20 can be balanced with respect to the support point on the back piece 40.

[0113] FIG. 9 is a schematic diagram of a moment balance in a wearing state of the earphone in FIG. 8 according to some embodiments of the present disclosure.

[0114] As shown in FIG. 9 , the back piece 40 is worn on the top of the head, and the weight of the earphone 100 is balanced by the supporting force provided by the head of the human body, and the supporting point of the earphone 100 is on the back piece 40. At this time, the moment about the supporting point of the earphone can satisfy equation (1).

[0115] m 1 g*r 1 =m 2 g*r 2 (1)

[0116] In the formula, m 1 is the mass of a single speaker assembly 10, and m 2 is the mass of a single functional assembly 20, and r 1 is the moment arm from the center of gravity of the speaker assembly 10 to the support point on the back hanger 40, and r 2 is the moment arm from the center of gravity of the functional assembly 20 to the support point on the backlash 40, and g is the gravitational constant.

[0117] In some embodiments, the connection space form of the back strap 40 is changed to change from a parallel back strap in the worn state to a vertical back strap, and the weight of the entire earphone is supported by the back strap 40 so that the support point of the earphone 100 is located on the back strap 40, thereby eliminating the balance moment arm of the center of gravity of the back strap 40 relative to the support point of the earphone 100, and the moment balance in the worn state can be achieved by only the speaker assembly 10 and the function assembly 20. The parallel back strap may be a plane on which the back strap is located in the worn state that is perpendicular or nearly perpendicular to the height direction of the human body. The vertical back strap may be a plane on which the back strap is located in the worn state that is parallel or nearly parallel to the height direction of the human body.

[0118] In some embodiments, as shown in FIG. 8, the back strap 40 includes a first head mounting part 411 and two second head mounting parts 412, one end of each of the two second head mounting parts 412 is rotatably connected to one end of the first head mounting part 411, and the other end of each of the second head mounting parts 412 is connected to the ear hook 30. In the worn state, the second head mounting part 412 can rotate around a vertical direction relative to the first head mounting part 411, and by adjusting the rotation angle, the speaker assembly 10 and the function assembly 20 connected to the ear hook 30 and the human head can be worn well. In some embodiments, the range of the rotation angle may be plus or minus 10 degrees. In some embodiments, the range of the rotation angle may be plus or minus 8 degrees. In some embodiments, the range of the rotation angle may be plus or minus 5 degrees.

[0119] In some embodiments, from the analysis of the received force, when the support point of the earphone 100 is at the top of the head, and the ear hooks 30, the speaker assemblies 10 and the functional assemblies 20 on both sides are installed symmetrically, the earphone 100 can easily achieve moment balance and can be fine-tuned according to the difference in the human head, thereby achieving a high wearing effect and improving the wearing stability of the earphone 100.

[0120] In some embodiments, the functional assembly 20 may be block-shaped (e.g., as shown in FIG. 6 ). The surface of the functional assembly 20 connected to the earhook 30 may have two widthwise sides (i.e., two sides distributed along the width direction of the surface of the functional assembly 20 connected to the earhook 30) and two longitudinal sides (i.e., two sides distributed along the length direction of the surface of the functional assembly 20 connected to the earhook 30), the two widthwise sides being spaced apart from each other, and the two longitudinal sides also being spaced apart from each other. One end of the earhook 30 may be connected to the widthwise side of the functional assembly 20, and when the backhook 40 is movably connected between the two pairs of earhooks 30, the mass of the speaker assembly 10 may be greater than the sum of the masses of the functional assembly 20 and the backhook 40, so as to facilitate balancing of the earphone 100. In some embodiments, the functional assembly 20 is block-shaped, and one end of the ear hook 30 is connected to a widthwise side of the functional assembly 20, in which case the functional assembly 20 may be installed horizontally.

[0121] FIG. 10 is a schematic diagram of a moment balance in a wearing state of the earphone in FIG. 6 according to some embodiments of the present disclosure.

[0122] In some embodiments, the support point of the earphone 100 may be located on the ear hook 30. As shown in Fig. 10, in a worn state, the ear hook 30 is supported by a person's ear, the back hook 40 is located at the back of the head, the weight of the earphone 100 is mainly balanced by the supporting force provided from the person's ear to the ear hook 30, and the support point of the earphone 100 is on the ear hook 30. At this time, the moment generated by the two sets of speaker assemblies 10 can be balanced with the moment generated by the two sets of function assemblies 20 and the back hook 40, and at this time, the moment about the support point of the earphone can satisfy Equation (2).

[0123] m 1 g*r 1 =m 2 g*r 2 +m 3 g*r 3 (2)

[0124] In the formula, m 3 is the mass of the back-weighted 40, and r 3 is the moment arm from the center of gravity of the back piece 40 to the support point on the ear piece 30.

[0125] In some embodiments, the back hook 40 may be rotatably connected to the ear hook 30. Specifically, as shown in FIG. 6, a first hinge plate 34 may be installed on the ear hook 30, and a second hinge plate 42 is installed at the end of the back hook 40, and the first hinge plate 34 and the second hinge plate 42 are connected by a rotation axis. By rotating and adjusting the attitude of the back hook 40, the position of the center of gravity of the back hook 40 can be changed. The ear hook 30 is supported by the ear of the human body, that is, the position where the ear hook 30 contacts the ear of the human body is the support point, and the speaker assembly 10 and the function assembly 20 are located on both sides of the support point, which is helpful for moment balance, and in combination with the adjustment of the back hook 40, it is more helpful for differential moment balance with different human heads, which is helpful for the wearing stability of the earphone 100.

[0126] In some embodiments, further, as shown in Fig. 6, the functional assembly 20 is connected to the ear hook 30 in an expandable manner, and the position of the functional assembly 20 is adjusted by the expansion and contraction of the functional assembly 20 on the ear hook 30, so that the functional assembly 20 and the back hook 40 can achieve moment balance with respect to the moment arm of the support point on the ear hook 30, thereby improving the wearing stability of the earphone 100. At this time, the back hook 40 may include a first sliding part 421 and two second sliding parts 422, and both ends of the first sliding part 421 are respectively slidably connected to the two second sliding parts 422, and the second sliding part 422 has a second hinge plate 42 installed at one end and is hinge-connected to the ear hook 30, which further helps the functional assembly 20 and the back hook 40 achieve moment balance with respect to the moment arm of the support point on the ear hook 30.

[0127] In some embodiments, when the support point of the earphone 100 is located on the ear hook 30, the earphone 100 may not include the back hook 40. The earphone 100 can be attached to the ear of the human body only by the ear hook 30 (e.g., a hook-like structure, a C-shaped structure), and the moment generated by the speaker assembly 10 located on the same side of the human body's head is balanced with the moment generated by the corresponding functional assembly 20.

[0128] Fig. 11 is a block diagram of yet another example earphone according to some embodiments of the present disclosure. Fig. 12 is a schematic diagram of the earphone in Fig. 11 according to some embodiments of the present disclosure when the moment is balanced in a wearing state.

[0129] In some embodiments, the support point of the earphone 100 may be located on the functional assembly 20. As shown in FIG. 11, the functional assembly 20 is block-shaped, and the back piece 40 may be connected to two longitudinal sides of the functional assembly 20, in which case the functional assembly 20 is installed vertically. The back piece 40 is connected to the functional assembly 20 in a telescopic manner, and the functional assembly 20 is easily pinched by the human head. In some embodiments, the two sets of functional assemblies 20 clamp both sides of the human head, i.e., the functional assembly 20 is used as the main support point, and the balance moment arm of the support point of the center of gravity of the functional assembly 20 is almost ignored. The clamping force of the speaker assembly 10 is provided solely by the ear hook 30, and the positive pressure provided by the back piece 40 to the functional assembly 20 contacts the human head to generate a friction force, which balances the gravity of the earphone 100.

[0130] As shown in FIG. 12, in some embodiments, both ends of the backing 40 are slidably connected to the corresponding functional assembly 20, and can be adjusted by sliding along the width direction side of the functional assembly 20 (the sliding direction is shown by the arrow in FIG. 12). The backing 40 can adjust the position of the backing 40 relative to the functional assembly 20 during the sliding process. In some embodiments, the functional assembly 20 may be provided with a slide rail in the width direction (arrow direction in FIG. 12), and a slider is provided at the end of the backing 40, and the slider is slidably assembled in the slide rail, so that the backing 40 can slide relative to the functional assembly 20. In some embodiments, the functional assembly 20 may be provided with a guide block in the width direction, and a guide shaft is connected to the end of the backing 40, and the guide shaft is slidably assembled to the guide block, so that the backing 40 can slide relative to the functional assembly 20. In some embodiments, the functional assembly 20 clamps the human head by the elasticity provided by the back piece 40, and the position where the functional assembly 20 contacts the human head may be a support point, and the wearing stability of the earphone 100 can be improved by adjusting the back piece 40 to achieve moment balance with the speaker assembly 10 with respect to the support point on the functional assembly 20.

[0131] In the wearing state, the moment from the two sets of speaker assemblies 10 to the corresponding functional assemblies 20 is balanced with the moment from the back piece 40 to the functional assemblies 20, i.e., the moment from the center of gravity of the speaker assembly 10 to the support point is equal to the moment from the center of gravity of the back piece 40 to the support point. Specifically, as shown in Fig. 12, the back piece 40 provides elasticity, so that the two sets of functional assemblies 20 clamp both sides of the human head in the wearing state, and the gravity of the earphone 100 is mainly balanced by the friction force between the functional assemblies 20 and the human head, i.e., the support point of the earphone 100 is located at the functional assembly 20, and at this time, the moment about the support point of the earphone can satisfy equation (3).

[0132] m 1 g*r 1 =m 3 g*r 3 (3)

[0133] In the formula, m 3 is the mass of the back-weighted 40, and r 3 is the moment arm from the center of gravity of the back hook 40 to the support point. Note that the mass of the ear hook 30 is extremely small compared to the mass of the speaker assembly 10, and the moment arm from its center of gravity to the support point is short, so the moment generated by the ear hook 30 is not at the same level as the moment generated by the speaker assembly 10 and can be ignored.

[0134] In some embodiments, the contact area between the functional assembly 20 and the human head can be relatively increased to reduce the pressure of the functional assembly 20 on the human head and improve wearing comfort. In some embodiments, the side of the functional assembly 20 facing the human head can fit the corresponding area of ​​the human head, i.e., the side of the functional assembly 20 facing the human head is patterned to increase the contact area between the functional assembly 20 and the human head, so that the functional assembly 20 can be more closely attached to the human head. For example, the side of the functional assembly 20 facing the human head is recessed inward to be closely attached to the human head. Also, for example, an elastic layer is provided on the side of the functional assembly 20 facing the human head, and the elastic layer increases the contact area between the functional assembly 20 and the human head.

[0135] FIG. 13 is a schematic diagram of a moment balance in a wearing state of another earphone according to some embodiments of the present disclosure.

[0136] 13, the functional assembly 20 is block-shaped, the back piece 40 and the ear piece 30 are respectively connected to two widthwise sides of the functional assembly 20, the functional assembly 20 is installed horizontally, and the back piece 40 is fixedly or flexibly connected to the functional assembly 20. The sum of the mass of the back piece 40 and the mass of the functional assembly 20 may be less than the mass of the speaker assembly 10.

[0137] In some embodiments, in the wearing state, the ear hook 30 is supported by a person's ear, the support point of the earphone 100 is on the ear hook 30, the two speaker assemblies 10 are sandwiched on both sides of the human head, and the functional assembly 20 does not contact the human head, and the moment generated by the two speaker assemblies 10 is balanced with the moment generated by the back hook 40 and the functional assembly 20, and at this time, the moment about the support point of the earphone can satisfy equation (4).

[0138] m 1 g*r 1 +m 3 g*r 3 =M 1 (4)

[0139] In the formula, M 1 is the moment generated by the speaker assembly 10, including its gravity and the moment generated by the frictional force between the speaker assembly 10 and the human head.

[0140] FIG. 14 is a block diagram of yet another example earphone in accordance with some embodiments of the present disclosure.

[0141] In some embodiments, as shown in FIG. 14, the ear hook 30 is connected between the speaker assembly (not shown) and the functional assembly 20, and the functional assembly 20 is connected to one end of the ear hook 30 and is arranged to be streamlined with the ear hook 30. In some embodiments, the cross section of the functional assembly 20 transitioning to the ear hook 30 may be gradually changed, and the functional assembly 20 is arranged along the extension direction of the ear hook 30, and the functional assembly 20 has no obvious protruding portion relative to the ear hook 30. It should be noted that the cross sections of the functional assembly 20 and the ear hook 30 along the extension direction are almost the same, and there are only slight differences in dimensions. The functional assembly 20 and the ear hook 30 arranged to be streamlined can avoid discomfort and pressure caused by the functional assembly 20 pressing against the back of the ear. In some embodiments, the functional assembly 20 may have a certain slope relative to the ear hook 30 to ensure that it does not press against the back of the ear. In some embodiments, the slope of the functional assembly 20 relative to the ear hook 30 may be in the range of 0 degrees to 20 degrees. In some embodiments, the inclination of the functional assembly 20 relative to the earhook 30 may be in the range of 0 degrees to 15 degrees. In some embodiments, the inclination of the functional assembly 20 relative to the earhook 30 may be in the range of 0 degrees to 10 degrees. In some embodiments, the inclination of the functional assembly 20 relative to the earhook 30 at each point in the circumferential direction in the extension direction may be in an appropriate range (e.g., 0 degrees to 15 degrees), so that the functional assembly 20 is installed in a streamlined shape with the earhook 30.

[0142] In some embodiments, the length of the functional assembly 20 along the extension direction of the ear hook 30 may be greater than the body size along the direction perpendicular to the extension direction of the functional assembly 20. The body size may be a width dimension, a thickness dimension, a radial dimension, or the like. This installation method allows the functional assembly 20 to be elongated in the extension direction, and is therefore installed to be streamlined with the ear hook 30. In some embodiments, the ratio of the length dimension of the functional assembly 20 along the extension direction of the ear hook 30 to the body size along the direction perpendicular to the extension direction of the functional assembly 20 may be less than 10. For example, the ratio of the length dimension to the body size may be 6, the body size includes a width dimension and a thickness dimension, the width dimension may be 6 mm, the thickness dimension may be 8 mm, and the length dimension may be 36 mm. In some embodiments, the ratio of the length dimension of the functional assembly 20 along the extension direction of the ear hook 30 to the body size along the direction perpendicular to the extension direction of the functional assembly 20 may be less than 8. In some embodiments, the ratio of the length dimension of the functional assembly 20 along the extension direction of the ear hook 30 to the body dimension along a direction perpendicular to the extension direction of the functional assembly 20 may be less than 5. In some embodiments, the body dimension may be 10 mm or less, and the battery or circuit board in the functional assembly 20 has a width dimension less than 10 mm, which is different from a conventional battery or circuit board having a large width dimension.

[0143] In this embodiment, the functional assembly 20 may have a body dimension of 8 mm and a length dimension of 40 mm. The back hook 40 is connected between the two sets of functional assemblies 30, and is connected to one end of the functional assembly 20 away from the ear hook 30, and is installed to be streamlined with the functional assembly 20. The inclination of the functional assembly 20 to the back hook 40 ranges from 0 degrees to 15 degrees. In some embodiments, the two sets of ear hooks 30, the two sets of functional assemblies 20, and the back hook 40 may be designed as one piece, in other words, by designing the ear hooks 30, the back hook 40, and the functional assembly 20 to have approximately the same body dimensions, the functional assembly 20 is connected to one end of the ear hook 30 and one end of the back hook 40, and the inclination between the functional assembly 20 and the ear hook 30 and the inclination between the functional assembly 20 and the back hook 40 are small, so that they are streamlined together, and there is no obvious protrusion in the outer shape. In some embodiments, the earphone 100 may not include the back hook 40, and may be attached to the ear of the human body only by the ear hook 30 (e.g., a hook-like structure, a C-shaped structure), and the speaker assembly 10, the function assembly 20 and the ear hook 30 are integrally installed to form a streamlined shape.

[0144] FIG. 15 is an exploded schematic diagram of a backing according to some embodiments of the present disclosure.

[0145] 11 and 15 , the earphone may further include a support structure 50. The support structure 50 is connected to the speaker assembly 10 and the functional assembly 20. A metal body 43 may be installed in the support structure 50, and the metal body 43 is electrically connected to the functional assembly 20 to serve as an antenna of the earphone 100.

[0146] In some embodiments, as shown in FIG. 11, the support structure 50 may include the above-mentioned ear hook 30 and back hook 40, where the ear hook 30 is connected between the speaker assembly 10 and the functional assembly 20, and the back hook 40 is connected between two pairs of functional assemblies 20. A metal body 43 is installed in the back hook 40 and / or the ear hook 30, and the metal body 43 is electrically connected to the functional assembly 20 to become the antenna of the earphone 100. In some embodiments, the metal body 43 has a certain length and can realize signal transmission and reception by converting the changed current and the changed magnetic field. Thus, the metal body 43 can be used as an antenna.

[0147] In some embodiments, a metal body 43 may be installed in the back cover 40, and at least one end of the metal body 43 is electrically connected to the functional assemblies 20. In some embodiments, the metal body 43 may be an integrated type, one end of which is electrically connected to one set of functional assemblies 20 and the other end of which is not electrically connected to the other set of functional assemblies 20, or both ends of the metal body 43 are respectively electrically connected to a corresponding set of functional assemblies 20. In some embodiments, the metal body 43 may be a separate type, and each is electrically connected to a set of functional assemblies 20.

[0148] Specifically, as shown in FIG. 15, the back hanging 40 may include a first back hanging housing 441, a second back hanging housing 442, and a metal body 43, and the metal body 43 is located in a space formed by the engagement of the first back hanging housing 441 and the second back hanging housing 442. The metal body 43 is electrically connected to the functional assembly 20 to serve as an antenna of the earphone 100, that is, the metal body 43 installed on the back hanging 40 is used as an antenna to transmit and receive communication signals, and it is possible to further avoid installing an antenna on the functional assembly 20 or the speaker assembly 10, so that the volume of the functional assembly 20 or the speaker assembly 10 can be reduced, and it is helpful to install the functional assembly 20 and the ear hanging 30 in a streamlined shape. In some embodiments, the metal body 43 may be an integrated wire, and both ends are electrically connected to two sets of functional assemblies 20, respectively. In some embodiments, the length of the metal body 43 may be 30 mm or more in order to better transmit and receive signals. In some embodiments, the length of the metal body 43 may be 35 mm or more in order to better transmit and receive signals. In some embodiments, the length of the metal body 43 may be greater than 40 mm for better signal transmission and reception.

[0149] In some embodiments, the metal body 43 may be separate. The metal body 43 may include a first sub-antenna (not shown) and a second sub-antenna (not shown), and the first sub-antenna and the second sub-antenna are electrically connected to the corresponding functional assemblies 20, respectively, and are spaced apart from each other. The first sub-antenna and the second sub-antenna may be mounted on the back hanging 40. In some embodiments, the length of each of the first sub-antenna and the second sub-antenna may be 30 mm or more to better transmit and receive signals. In some embodiments, the length of each of the first sub-antenna and the second sub-antenna may be 35 mm or more to better transmit and receive signals. In some embodiments, the length of each of the first sub-antenna and the second sub-antenna may be 40 mm or more to better transmit and receive signals. In some embodiments, the length of the first sub-antenna and the second sub-antenna may be equal or unequal.

[0150] In some embodiments, the metal body 43 may be installed in the ear hook 30, and one end of the metal body 43 is electrically connected to the function assembly 20. In some embodiments, the metal body 43 may be an integrated wire. In some embodiments, the length of the metal body 43 may be 30 mm or more to better transmit and receive signals. In some embodiments, the length of the metal body 43 may be 35 mm or more to better transmit and receive signals. In some embodiments, the length of the metal body 43 may be 40 mm or more to better transmit and receive signals. In some embodiments, the earphone 100 may not include the back hook 40, and in this case, the metal body 43 may be installed only in the ear hook 30.

[0151] In some embodiments, the end of the metal body 43 may be coated with a welded metal layer, and the metal body 43 is welded to the circuit board in the functional assembly 20 by the welded metal layer. In some embodiments, the metal body 43 may be a titanium wire, and the welded metal layer is a zinc plating layer. Since the titanium wire is difficult to weld directly to the circuit board, the welded metal layer that is easy to weld to the circuit board is plated on the end, so that the titanium wire is easy to be electrically connected to the circuit board. In some embodiments, the metal body 43 may be a metal such as spring steel, titanium alloy, titanium nickel alloy, or chrome molybdenum steel, and the welded metal layer may be a copper plating layer, and the present specification is not specifically limited thereto.

[0152] Although the basic concept has been described above, it is clear to those skilled in the art that the detailed disclosure above is merely presented as an example and does not limit the present specification. Although not explicitly described in the present specification, those skilled in the art can make various changes, improvements and modifications to the present specification. These changes, improvements and modifications are intended to be suggested by the present specification and therefore are within the spirit and scope of the exemplary embodiments of the present specification.

[0153] Furthermore, certain terms are used herein to describe embodiments of the present specification. For example, "one embodiment," "an embodiment," and / or "some embodiments" refer to a particular feature, structure, or characteristic associated with at least one embodiment of the present specification. Thus, it is emphasized and understood that references to two or more of "one embodiment" or "one embodiment" or "one alternative embodiment" in various parts of the present specification do not necessarily all refer to the same embodiment. Also, certain features, structures, or characteristics in one or more embodiments of the present specification may be combined as appropriate.

[0154] Also, as will be appreciated by those skilled in the art, the aspects of the present specification may be illustrated and described in several patentable classes or contexts, including any new and useful process, machine, manufacture, or combination of matter, or any new and useful improvement thereto. Thus, the aspects of the present specification may be implemented entirely in hardware, entirely in software (including firmware, resident software, microcode, etc.), or a combination of hardware and software. Any of the above hardware or software may be referred to as a "data block," "module," "engine," "unit," "assembly," or "system." Also, the aspects of the present specification may take the form of a computer program product embodied in one or more computer-readable medium(s) containing computer-readable program code.

[0155] Additionally, unless expressly stated in the claims, the order of enumeration of processing elements or sequences described herein, the use of alphanumeric characters, or the use of other designations, does not limit the order of steps and methods herein. While the above disclosure describes through various examples what are presently believed to be various useful embodiments of the invention, it should be understood that such details are merely for the purpose of illustration and that the appended claims are not limited to the disclosed embodiments, but on the contrary are intended to cover all modifications and equivalent combinations that are within the spirit and scope of the embodiments herein. For example, the system assembly described above may be implemented by a hardware device, but may also be implemented as a software-only solution, for example, by installing the described system on an existing server or mobile device.

[0156] Similarly, in the foregoing description of embodiments herein, it should be understood that various features may be grouped together in a single embodiment, figure, or description for the purpose of simplifying the description and facilitating an understanding of one or more embodiments of the invention. This method of disclosure, however, should not be interpreted as reflecting an intention that the claimed subject matter requires more features than are recited in each claim. In fact, an embodiment may include fewer than all features of a single embodiment disclosed above.

[0157] In some embodiments, numbers are used to describe the number of components and attributes, and it is understood that the numbers describing such embodiments are modified in some embodiments by the modifiers "about," "approximately," or "generally." Unless otherwise specified, "about," "approximately," or "generally" indicate that the numbers are allowed to vary by ±20%. Thus, in some embodiments, all numerical parameters used in the specification and claims are approximations that may vary depending on the characteristics required for a particular embodiment. In some embodiments, the numerical parameters should be applied with the stated number of significant digits and ordinary rounding techniques. In some embodiments, the numerical ranges and parameters for determining the ranges are approximations; however, in specific embodiments, such numerical values ​​are set as precisely as possible.

[0158] All patents, patent applications, published patent applications, and other materials, such as papers, books, specifications, publications, documents, etc., referenced herein are incorporated herein by reference in their entirety, except for any specification history documents that are inconsistent or inconsistent with the contents of this specification, and documents that may have a limiting effect on the broadest scope of the claims of this specification (now or later related to this specification). In addition, if the explanations, definitions, and / or use of terms in the accompanying documents of this specification are inconsistent or inconsistent with the contents described herein, the explanations, definitions, and / or use of terms in this specification shall take precedence.

[0159] Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of the embodiments herein. Other variations are possible within the scope of the present specification. Thus, by way of example, and not of limitation, alternative configurations of the embodiments herein may be considered consistent with the teachings of the present specification. Thus, the embodiments herein are not limited to the embodiments expressly introduced and described herein. [Explanation of symbols]

[0160] 100 Earphones 10 Speaker Assembly 10-1 Boss 20 Functional Assembly 30 Ear hook 31 First pipe 32 Second Tube 34 First hinge plate 40 Back Cover 42 Second hinge plate 43 Metal body 50 Support structure 101 Front side 102 Lower side 103 First Surface 201 Second Surface 311 Arc-shaped section 312 horizontal part 321 Extension part 322 Offset section 331 First Curve 332 Second curve 333 Horizontal Sub-section 334 Vertical Sub-Section 411 First head mounted part 412 Second Head Mounted Part 421 First Slide 422 Second Slide 441 First rear housing 442 Second rear housing

Claims

1. A speaker assembly that is attached to the human head and transmits bone-conducted sound, A functional assembly that is electrically connected to the speaker assembly and controls the speaker assembly, A first surface of the speaker assembly facing the human head and a second surface of the functional assembly facing the human head form a predetermined included angle. When the first surface is completely adhered to the human head, a gap is formed between the functional assembly and the back of the outer ear. An earhook connected between the speaker assembly and the functional assembly such that the force due to the contact between the first surface and the human head is between 0.1 N and 4.5 N, Including, The earphone is characterized in that the posture or position of the speaker assembly or the functional assembly is adjustable with respect to the earhook.

2. The earphone according to claim 1, wherein the predetermined included angle is in the range of 5 degrees to 10 degrees.

3. The earphone according to claim 1, wherein the first surface includes an arc surface protruding outward.

4. The earphone according to claim 1, wherein the angle of the functional assembly approaching the back side of the human ear is chamfered.

5. The earphone according to claim 1, wherein the functional assembly is movably connected to the earhook and is deflectable following the external force when the functional assembly is touched by an external force.

6. The earphone according to claim 5, wherein a rotation hole is provided in the functional assembly, and one end of the earhook is rotatably connected to the rotation hole.

7. In a state where the functional assembly does not contact the human head and ear, the surface of the functional assembly facing the human head is in a first position. In a worn state of the functional assembly, the surface of the functional assembly facing the human head is in a second position. The deflection angle between the surface of the functional assembly facing the human head in the first position and the surface of the functional assembly facing the human head in the second position is in the range of 0 degree to a predetermined threshold angle. The earphone according to claim 5 is characterized by this.

8. The earphone according to claim 7, wherein the value of the predetermined threshold angle is in the range of 10 degrees to 20 degrees.

9. The earphone according to claim 7, wherein the functional assembly deflects toward one side close to the head of the human body and / or one side away from the head of the human body.

10. The earphone according to claim 1, wherein the speaker assembly is adjustable in posture with respect to the earhook.

11. The earphone according to claim 10, wherein an adhesive layer is provided at an edge of a side surface of the speaker assembly facing the head of the human body, and the adhesive layer is adhered to the head of the human body.

12. The earphone according to claim 10, wherein a non-slip member is provided at an edge of a side surface of the speaker assembly facing the head of the human body.

13. Two sets of the speaker assembly, the functional assembly and the earhook are provided and are respectively positioned corresponding to the left side and the right side of the head of the human body, and the earphone further includes a headband connected between two sets of the functional assemblies or between two sets of the earhooks and adjustable in position with respect to the functional assembly.

14. A speaker assembly attached to the head of a human body and transmitting sound, a functional assembly electrically connected to the speaker assembly and controlling the speaker assembly, an earhook connected between the speaker assembly and the functional assembly such that a first surface of the speaker assembly facing the head of the human body and a second surface of the functional assembly facing the head of the human body form a predetermined included angle, and a gap is formed between the functional assembly and the back of the outer ear when the first surface is completely in close contact with the head of the human body, and the force due to the contact between the first surface and the head of the human body is between 0.1 N and 4.5 N, The earphone includes wherein the speaker assembly or the functional assembly is adjustable in posture or position with respect to the earhook, two sets of the speaker assembly, the functional assembly and the earhook are provided and are respectively positioned corresponding to the left side and the right side of the head of the human body, and the earphone further includes a headband connected between two sets of the functional assemblies or between two sets of the earhooks and adjustable in position with respect to the functional assembly, The functional assembly is in a block shape, one end of the earhook is connected to the side in the width direction of the functional assembly, the rear hook is movably connected between two sets of the earhooks, and the total weight of the speaker assembly is greater than the sum of the total weights of the functional assembly and the rear hook. The earphone is characterized by this.

15. In the worn state, the earhook is supported by a person's ear, and the moment generated by the two sets of the speaker assemblies balances the moment generated by the two sets of the functional assemblies and the rear hook. The earphone according to claim 14 is characterized by this.

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