Bone conduction earphone

Abstract

The application discloses a bone conduction earphone, which comprises two earphone heads (1), two warehouse bodies (2), ear hanging lines (3) connected between the earphone heads (1) and the warehouse bodies (2), and neck wearing lines (4) connected between the two warehouse bodies (2). When the neck wearing line (4) is in a horizontal state, the warehouse body (2) extends vertically downward or extends downward and inclines toward the side where the earphone head (1) is located. In the application, the center of gravity of the warehouse body is closer to the fulcrum where the ear hanging line contacts the ear, the center of gravity of the whole bone conduction earphone is closer to the front, the tendency of the bone conduction earphone to swing around the fulcrum during movement is inhibited, the swing amplitude is reduced, the bone conduction earphone is more stable and reliable when worn on the head, and the use experience is better.

Description

Technical Field

[0001] This invention relates to the field of headphone technology, and more particularly to a bone conduction headphone. Background Technology

[0002] Bone conduction headphones, also known as bone conduction headphones, bone-sensing headphones, or bone-conduction headphones, transmit sound using the principle of bone conduction. In current technology, some bone conduction headphones are worn around the neck and consist of two earpieces, two ear hooks, two housings, and a neckband. The housings and earpieces are connected by the ear hooks, and the two housings are connected by the neckband. The two housings typically have different functions; for example, one housing may be a battery compartment, primarily used to provide power, while the other is a control compartment, primarily used to control the headphones.

[0003] When wearing them, the neckband is wrapped around the back of the head, the two ear hooks are hung on the two ears respectively, and the earphone heads and the housing connected to them via the ear hooks are located on the front and back sides of the ears respectively.

[0004] Bone conduction headphones are held in place by the elasticity of a neckband. The secure fit of these headphones significantly impacts their reliability and comfort. Currently, bone conduction headphones are often designed as a horizontally extending strip. When running or engaging in other sports, these headphones tend to swing up and down and droop. This can lead to the headphone not fitting snugly against the skin or not fitting properly as designed, affecting sound quality and user experience. Furthermore, it increases the risk of the headphones falling and getting damaged.

[0005] In addition, because the sides of the human head are curved, the area where the horizontally extending strip of the headphone fits against the head is small, resulting in poor fit between the neckband and the head. This reduces wearing comfort, increases the swing amplitude of the bone conduction headphones during exercise, and is not conducive to the secure wearing of the bone conduction headphones.

[0006] Therefore, it is necessary to improve the existing technology to overcome the aforementioned defects. Summary of the Invention

[0007] The purpose of this invention is to provide a bone conduction headphone that is more stable when worn on the head.

[0008] To achieve the above-mentioned objective, the present invention proposes a bone conduction headphone, comprising two headphone heads, two housings, an ear hook connecting the headphone heads and the housings, and a neckband connecting the two housings. When the neckband is in a horizontal state, the housings extend vertically downward or tilt downward toward the side where the headphone heads are located.

[0009] Furthermore, when the neck strap is in a horizontal state, the length L of the compartment along the horizontal direction is less than the height H of the compartment along the vertical direction, and the ratio of the height H to the length L of the compartment is in the range of 1.06 to 1.5.

[0010] Furthermore, the length L of the hopper body is 20~35mm, and the height H is 20~40mm.

[0011] Furthermore, the horizontal distance between the first center of gravity of the earphone body and the fulcrum of the ear hook is 24~50mm, the horizontal distance between the second center of gravity of the earphone head and the fulcrum is 7~25mm, and the fulcrum is the apex of the inner arc of the ear hook when the neckband is in a horizontal state.

[0012] Furthermore, the combined center of gravity of the first center of gravity of the housing and the second center of gravity of the earphone head is located behind the fulcrum of the ear hook, and the horizontal distance from the fulcrum is 7~25mm. The fulcrum is the apex of the inner arc of the ear hook when the neckband is in a horizontal state.

[0013] Furthermore, the vertical distance between the combined center of gravity and the fulcrum is 18~45mm.

[0014] Furthermore, the housing includes a main body and two connecting parts that protrude outward from the upper end of the main body to both sides. The ear hooks and the neck straps are respectively connected to the two connecting parts, and one or both of the two connecting parts are curved upward.

[0015] Furthermore, when the bone conduction headphones are worn on the head, the housing portion is clamped between the ear and the skin of the skull.

[0016] Furthermore, the housing has a surface facing the ear, the surface being a concave arc surface, and the thickness of the outer edge of the housing is less than the thickness of its middle portion.

[0017] Furthermore, the neck strap includes a middle section and two arms connecting the two ends of the middle section. The arms are connected to the cargo box. When the neck strap is in a horizontal state, the third center of gravity of the neck strap is closer to the cargo box than the middle section.

[0018] Furthermore, the cross-sectional dimension of the portion of the arm closer to the container body is larger than the cross-sectional dimension of the portion of the arm farther from the container body.

[0019] Furthermore, when the bone conduction headphones are in their initial unworn state, the two ear hooks of the bone conduction headphones are crossed.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. In this invention, the bone conduction headphones are configured such that when the neckband is horizontal, the housing extends vertically downwards or tilts downwards towards the head of the headphones. This makes the center of gravity of the housing closer to the fulcrum where the ear hook contacts the ear, and the center of gravity of the entire bone conduction headphones is further forward. This can suppress the tendency of the bone conduction headphones to swing around the fulcrum during exercise and reduce the amplitude of the swing, making the bone conduction headphones more stable and reliable when worn on the head, and providing a better user experience. At the same time, the contact area between the housing and the head is larger, the horizontal suspension length is shorter, and the neckband can wrap more tightly around the back of the head, further increasing the overall stability of wearing the headphones.

[0022] 2. As an improvement, the center of gravity of the neckband is set closer to the housing than the middle of the neckband. This forward-positioning of the center of gravity further enhances the stability of wearing bone conduction headphones.

[0023] 3. As an improvement, when the bone conduction headphones are in their initial unworn state, the two ear hooks of the bone conduction headphones are crossed. This allows for greater deformation of the ear hooks and neckband when the bone conduction headphones are worn on the head, resulting in greater clamping force, more stable wear, and closer contact between the headphone head and the skin, leading to better acoustic performance. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a bone conduction headphone according to one embodiment of the present invention, in which the bone conduction headphone is in the open state when worn.

[0025] Figure 2 yes Figure 1 The image shows a side view of a bone conduction headset.

[0026] Figure 3 This is a schematic diagram of the structure of the hopper body according to one embodiment of the present invention.

[0027] Figure 4 This is a schematic diagram of the structure of a bone conduction headphone according to one embodiment of the present invention, in which the bone conduction headphone is in its initial state. Detailed Implementation

[0028] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, it should be noted that, for ease of description, only the parts relevant to this application are shown in the accompanying drawings, not the entire structure. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0029] The terms “comprising” and “having”, and any variations thereof, used in this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to such process, method, product, or apparatus.

[0030] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0031] like Figure 1 As shown, a bone conduction headphone corresponding to a preferred embodiment of the present invention includes two headphone heads 1, two housings 2, two ear hooks 3, and a neckband 4.

[0032] The earphone head 1 and the housing 2 are connected by ear hooks 3, and the neckband cable 4 connects the two housings 2. The two housings 2 can have the same function or different functions. In this embodiment, one housing 2 is a battery compartment, which contains a battery and is mainly used for power supply, and the other housing 2 is a control compartment, which contains a main control board and is mainly used for control.

[0033] The ear hook 3 is arc-shaped. When worn, the ear hook 3 hooks onto the ear, and the neck strap 4 wraps around the back of the head. Both the ear hook 3 and the neck strap 4 are elastic. After deformation, they can provide elastic force to drive the housing 2 and the earphone head 1 to fit snugly against the head, thereby improving the stability of the fit.

[0034] refer to Figure 2 , Figure 2 A side view of the bone conduction headphones is shown, in which the neckband 4 is in a horizontal position. When the bone conduction headphones are worn on the head, the neckband 4 is usually in a horizontal position or tilted downwards and backwards. In a preferred embodiment, when the neckband 4 is in a horizontal position, the housing 2 extends downwards.

[0035] Compared to the existing technology where the housing extends in a roughly horizontal direction, in this embodiment, the first center of gravity 22 of the housing 2 is further forward (the end where the earphone head 1 is located is the front). When the bone conduction headphones are worn on the head, the ear hook 3 is supported by the ear, and it has a fulcrum 5 supported by the ear. The fulcrum 5 can be approximately understood as the apex of the inner arc 30 of the ear hook 3 when the neckband is in a horizontal state. Figure 2The approximate positions of the first center of gravity 22 and the fulcrum 5 are shown. The closer the first center of gravity 22 of the housing 2 is to the fulcrum 5, the smaller the downward rotation torque of the part of the bone conduction headphones behind the fulcrum 5. When exercising while wearing the bone conduction headphones, it is less likely to swing up and down around the fulcrum 5. Even if it does swing up and down, the inertial force of the swing is small and the amplitude is smaller, thereby improving the stability of wearing and ensuring the effect of use.

[0036] Furthermore, when the neckband 4 is horizontal, the housing 2 extends vertically downwards or tilts downwards towards the side where the earphone head 1 is located, i.e., the housing 2 tilts forward and downwards (the end where the earphone head 1 is located is the front). This can more reliably reduce the horizontal distance between the first center of gravity 22 and the fulcrum 5. In particular, when the housing 2 tilts forward and downwards, the horizontal distance between the first center of gravity 22 and the fulcrum 5 is closer, which can further improve the stability of wearing. Preferably, the housing 2 abuts against the outer surface of the ear. When the housing 2 abuts against the outer surface of the ear, especially against the lower part of the ear's curved contour, the bone conduction headphones are worn more securely on the ear, which can better suppress the tendency to swing during exercise.

[0037] Furthermore, it is understandable that, compared to traditional horizontally extending headbands, the vertically extending headband 2 in this embodiment has a larger contact area with the head and a shorter horizontally suspended length, allowing the neck strap 4 to wrap more tightly around the back of the head, thereby effectively improving wearing comfort and stability. Figure 1 As shown, the housing 2 is provided with a flat surface 23 facing the inside of the bone conduction headphones. When the bone conduction headphones are worn on the head, the flat surface 23 contacts the skin of the head, which can increase the contact area, reduce pressure, and make wearing more comfortable.

[0038] As a preferred embodiment, when the bone conduction headphones are worn on the head, the two parts of the housing are clamped between the ear and the skin of the skull to further improve stability. Figure 3 As shown, the surface 24 of the housing 2 facing the ear is a concave arc surface, which better matches the contour of the ear. The thickness of the outer edge of the housing 2 (the part near the ear) is less than the thickness of the middle part 25. The two are connected by an arc surface 26. This increases the contact area between the housing 2 and the ear, making it more comfortable to wear.

[0039] In a preferred embodiment, the horizontal length L of the storage compartment 2 is set to be smaller than its vertical height H. The length L of the storage compartment 2 is the maximum horizontal dimension of the storage compartment 2 when the neck strap 4 is horizontal, and the height H of the storage compartment 2 is the maximum vertical dimension of the storage compartment 2 when the neck strap 4 is horizontal. In this way, the center of gravity of the storage compartment 2 can move forward and downward more fully.

[0040] In a preferred embodiment, the horizontal length L of the hopper 2 is 20~35mm, for example 27mm, and the vertical height H is 20~40mm, for example 30mm. The ratio of the length L to the height H of the hopper 2 is in the range of 1.06~1.5, preferably 4:3.

[0041] In a preferred embodiment, when the neckband cable 4 is in a horizontal state, the horizontal distance L1 between the first center of gravity 22 of the housing 2 and the fulcrum 5 is 24~55mm, more preferably 24~40mm, for example 32mm, and the horizontal distance L2 between the second center of gravity 10 of the earphone head 1 and the fulcrum 5 is 7~25mm, more preferably 7~15mm, for example 11.5mm. It is understood that the positions of the centers of gravity of the housing 2 and the earphone head 1 can be adjusted through design, mass distribution, etc. For example, changing the curvature of the ear hook 3 on both sides of the fulcrum 5, changing the angle at which the housing 2 tilts towards the earphone head 1, or thickening the shells of different parts of the housing 2 and the earphone head 1 can all change the position of the centers of gravity.

[0042] The ear hook 3 is arc-shaped, with the earphone head 1 and the housing 2 located at the two ends of the arc-shaped ear hook 3. The arc-shaped ear hook 3 protrudes upward, while the earphone head 1 and the housing 2 extend downward, which makes the receiving area 6 for accommodating the ear, which is enclosed by the earphone head 1, housing 2 and ear hook 3, deeper. In this way, the first center of gravity 22 of the housing 2 and the second center of gravity 10 of the earphone head 1 are positioned low, resulting in better stability when wearing bone conduction headphones and making them less likely to fall off the ears during exercise.

[0043] In a preferred embodiment, when the neckband 4 is in a horizontal position, the combined center of gravity 50 of the first center of gravity 10 and the second center of gravity 22 is located behind the fulcrum 5. This causes the portion of the bone conduction headphones located behind the fulcrum 5 to tend to deflect downwards, achieving stable wearing through the contact between the headphone head 1 and the skin, and the contact between the neckband 4 and the back of the head. Considering the ease of achieving the combined center of gravity 50 position and the aesthetics of the product, the horizontal distance L3 between the combined center of gravity 50 and the fulcrum 5 is 7~25mm, more preferably 7~17mm. At this distance, the horizontal distance between the combined center of gravity 50 and the fulcrum 5 is small, making the bone conduction headphones less prone to swaying during movement and thus more stable.

[0044] In a preferred embodiment, the vertical distance H1 between the center of gravity 50 and the fulcrum 5 is 18~45mm, more preferably 18~35mm, for example 25mm. More preferably, the first center of gravity 22 of the housing 2 and the second center of gravity 10 of the earphone head 1 are located on the same horizontal line.

[0045] As a preferred embodiment, refer to Figure 3The storage compartment 2 includes a main body 20 and connecting parts 21 protruding from both sides of the main body 20. The two connecting parts 21 are at similar heights on the main body 20. For example, the two connecting parts 21 can be set on both sides of the upper end of the main body 20, so that the storage compartment 2 is T-shaped. The ear hooks 3 and the neck straps 4 are connected to the two connecting parts 21 respectively. The connecting parts 21 and the outer surfaces of the ear hooks 3 and the neck straps 4 are smoothly transitioned, making the overall structure more beautiful and the feel better. Figure 3 In the middle, the cross-sectional dimensions of the neck strap 4, ear loop 3 and connecting part 21 gradually increase towards the side where the main body part 20 is located.

[0046] To allow the chamber 2 to extend downwards more fully, one or both of the two connecting parts 21 are curved upwards, such as... Figure 3 As shown, the upper surface 27 of the compartment 2 is a concave arc surface, and the outer ends of the two connecting parts 21 are both curved upward, making the downward protrusion of the main body 20 longer, thereby better transferring the center of gravity forward and downward.

[0047] like Figure 1 As shown, the neck strap 4 is arc-shaped, comprising a middle section 4a and two arms 4b connecting the two ends of the middle section 4a. The ends 40 of the arms 4b are connected to the compartment body 2. In a preferred embodiment, when the neck strap 4 is in a horizontal state, the third center of gravity 41 of the neck strap 4 is closer to the compartment body 2 than the middle section 4a, i.e., the third center of gravity 41 is located at... Figure 2 Within the area to the left of the center line 42 of the neckband 4, which is a vertical line passing through the midpoint of the horizontal dimension of the neckband 4, it can be understood that the closer the third center of gravity 41 is to the housing 2, the more stable the bone conduction headphones are to be worn.

[0048] The position of the third center of gravity 41 can be controlled by adjusting the thickness distribution of the material. For example, the cross-sectional dimension of the part of the neckband 4 closer to the housing 2 can be made larger than the cross-sectional dimension of the part of the neckband 4 farther from the housing 2. In this way, the mass of the part of the neckband 4 closer to the housing 2 is greater, and its center of gravity is further forward, which is beneficial to further improving the stability of the bone conduction headphones. Figure 1 and Figure 2 As shown, in this embodiment, the cross-sectional dimensions of the arm portion 4b gradually decrease from its connection with the housing 2 towards the middle portion 4a. Since the cross-sectional dimensions of the middle portion 4a are smaller, its strength is also lower. Therefore, a strip-shaped outward-protruding reinforcing portion 4c can be provided in the middle portion 4a to improve its strength, reduce its bending and torsional deformation during movement, and thus better improve the stability of wearing.

[0049] Elastic metal wires can be installed inside the ear hooks 3 and neckband 4 to provide elasticity for holding the bone conduction headphones on the head.

[0050] To improve the clamping force of bone conduction headphones, such as Figure 4As shown, when the bone conduction headphones are in their initial unworn state, their two ear hooks 3 are crossed. The earphone head 1 that is on the right side when worn is now on the left side, and the earphone head 1 that is on the left side when worn is now on the right side. In this way, when they are opened and worn on the head, the ear hooks 3 and the neckband 4 deform more, which can generate a greater clamping force, making the wearing more stable. Moreover, the earphone head 1 has a closer contact with the skin, resulting in better acoustic performance.

[0051] The above are merely specific embodiments of the present invention, and any improvements made based on the concept of the present invention shall be considered within the scope of protection of the present invention.

Claims

1. A bone conduction earphone, characterized in that, It includes two earphone heads (1), two housings (2), ear hooks (3) connecting the earphone heads (1) and the housings (2), and a neckband (4) connecting the two housings (2). When the neckband (4) is in a horizontal state, the housings (2) extend downward toward the side where the earphone heads (1) are located. Of the two compartments (2), one compartment (2) is a battery compartment, in which a battery is installed; the other compartment (2) is a control compartment, in which a main control board is installed. When worn, the earphone head (1) and the housing (2) connected to it via the ear hook (3) are located on the front and back sides of the ear, respectively; The combined center of gravity (50) of the first center of gravity (22) of the housing (2) and the second center of gravity (10) of the earphone head (1) is located behind the fulcrum (5) of the ear hook (3) and the horizontal distance from the fulcrum (5) is 7~25mm. The fulcrum (5) is the vertex of the inner arc (30) of the ear hook (3) when the neckband (4) is in a horizontal state. The neckband (4) includes a middle part (4a) and two arms (4b) connected to both ends of the middle part (4a). The arms (4b) are connected to the housing (2). When the neckband (4) is in a horizontal state, the third center of gravity (41) of the neckband (4) is closer to the housing (2) than the middle part (4a). In the side view direction, the third center of gravity (41) is located in the area of ​​the center line (42) of the neckband (4) near the side where the earphone head (1) is located. The center line (42) is a vertical line passing through the midpoint of the horizontal dimension of the neckband (4). The cross-sectional dimension of the portion of the arm (4b) closer to the container (2) is greater than the cross-sectional dimension of the portion of the arm (4b) farther from the container (2).

2. The bone conduction earpiece of claim 1, wherein When the neck strap (4) is in a horizontal state, the length L of the compartment (2) along the horizontal direction is less than the height H of the compartment (2) along the vertical direction, and the ratio of the height H to the length L of the compartment (2) is in the range of 1.06 to 1.

5.

3. The bone conduction earpiece of claim 2, wherein The length L of the compartment (2) is 20~35mm and the height H is 20~40mm.

4. The bone conduction earpiece of claim 1, wherein The horizontal distance between the first center of gravity (22) of the housing (2) and the fulcrum (5) of the ear hook (3) is 24~50mm, and the horizontal distance between the second center of gravity (10) of the earphone head (1) and the fulcrum (5) is 7~25mm.

5. The bone conduction earpiece of claim 1, wherein The vertical distance between the combined center of gravity (50) and the fulcrum (5) is 18~45mm.

6. The bone conduction earpiece of any one of claims 1 to 5, wherein, The housing (2) includes a main body (20) and two connecting parts (21) protruding outward from the upper end of the main body (20) to both sides. The ear hook (3) and the neck strap (4) are respectively connected to the two connecting parts (21), and one or both of the two connecting parts (21) are raised upward.

7. The bone conduction earpiece of any one of claims 1 to 5, wherein When the bone conduction headphones are worn on the head, the housing (2) is partially clamped between the ear and the skin of the skull.

8. The bone conduction earpiece of claim 7, wherein The chamber (2) has a surface (24) facing the ear, the surface (24) is a concave arc surface, and the thickness of the outer edge of the chamber (2) is less than the thickness of its middle part (25).

9. The bone conduction earpiece of any one of claims 1 to 5, wherein, When the bone conduction headphones are in the initial state of not being worn, the two ear hooks (3) of the bone conduction headphones cross each other, and the neck strap (4) includes a strip-shaped outwardly protruding reinforcing part (4c) located in the middle (4a).

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