2129 results about "Sound production" patented technology

The invention discloses a sound production device and a sound production module, and relates to the technical field of electroacoustic transduction. The inner side of an inner folding ring of a first vibrating diaphragm assembly of the sound production device is connected with a magnetic circuit system, the outer periphery of an outer folding ring is connected with a shell, and a voice coil is connected with a first vibrating plate; the diaphragm and the second diaphragm assembly are sequentially arranged on the side, facing the voice coil, of the first diaphragm assembly and located on the outer side of the voice coil, the diaphragm is a flexible piece, the outer edges of the diaphragm and the second diaphragm assembly are both connected with the shell, and the inner edge of the diaphragm and the inner edge of the second diaphragm assembly are both connected with the first vibrating plate. A sound production cavity communicated with the sound outlet hole is formed between the diaphragm and the second vibrating diaphragm assembly; wherein a first rear cavity is defined between the first vibrating diaphragm assembly and the diaphragm, a second rear cavity is defined among the first vibrating diaphragm assembly, the second vibrating diaphragm assembly, the shell and the magnetic circuit system, and the first rear cavity is communicated with the second rear cavity. According to the sound production device, the effective vibration area of the vibration system is increased, and the acoustic performance is improved.

The utility model discloses a sound production device and a sound production module, the sound production device comprises a shell, a magnetic circuit system and a vibration system, and the shell is provided with a first sound outlet hole; the vibration system comprises a first vibrating diaphragm, a second vibrating diaphragm, a middle diaphragm and a voice coil, the first vibrating diaphragm is arranged on one side, far away from the magnetic circuit system, of the shell, the second vibrating diaphragm is arranged on one side, facing the magnetic circuit system, of the first vibrating diaphragm, and the middle diaphragm is arranged between the first vibrating diaphragm and the second vibrating diaphragm; the voice coil is at least partially arranged in the magnetic gap of the magnetic circuit system, and the middle diaphragm and the second diaphragm are located outside the voice coil; the outer edges of the second vibrating diaphragm and the middle diaphragm are connected with the shell, and the inner edges of the second vibrating diaphragm and the middle diaphragm are connected with the first vibrating plate of the first vibrating diaphragm; a second sound production cavity communicated with the first sound production hole is formed between the second vibrating diaphragm and the middle diaphragm; a first rear cavity is defined by the first vibrating diaphragm and the middle diaphragm, and a second rear cavity communicated with the first rear cavity is defined by the first vibrating diaphragm, the second vibrating diaphragm and the shell.

The utility model discloses a sound production device, a sound production module and electronic equipment, the sound production device comprises a shell, a magnetic circuit system and a vibration system, the shell is provided with an accommodating space, and the shell is provided with a first sound outlet hole; the magnetic circuit system is arranged in the accommodating space and is provided with a magnetic gap; the vibration system comprises a first vibrating diaphragm, a second vibrating diaphragm, a middle diaphragm and a voice coil, the first vibrating diaphragm is arranged on one side, far away from the magnetic circuit system, of the shell, the second vibrating diaphragm is arranged on one side, facing the magnetic circuit system, of the first vibrating diaphragm, and the middle diaphragm is arranged between the first vibrating diaphragm and the second vibrating diaphragm; the voice coil is at least partially arranged in the magnetic gap, the voice coil is connected with the first diaphragm, and the second diaphragm and the middle diaphragm are located on the outer side of the voice coil; the outer edges of the second vibrating diaphragm and the middle diaphragm are connected with the shell, and the inner edges of the second vibrating diaphragm and the middle diaphragm are connected with the first vibrating diaphragm; and a closed second sound production cavity is formed between the second vibrating diaphragm and the middle diaphragm and is communicated with the first sound outlet hole.

Disclosed in the present invention are a sound production apparatus, a sound production module, and an electronic device. The sound production apparatus comprises a magnetic circuit system, a conductive support, and a vibration system; the magnetic circuit system is provided with a magnetic gap and a mounting hole; the conductive support is provided in the mounting hole; the vibration system comprises a diaphragm assembly, a voice coil, and centering supports; the diaphragm assembly comprises a diaphragm, a frame, and a dome opposite to the magnetic circuit system; an inner annular hole is formed in the center of the diaphragm; the frame is provided in the inner annular hole and is connected to the diaphragm; the frame is provided with an assembling hole corresponding to the conductive support; the dome covers the assembling hole; one end of the voice coil is connected to the diaphragm or the frame, and the other end of the voice coil is suspended in the magnetic gap; and one end of each centering support is connected to the conductive support, and the other end of the centering support is connected to the frame and electrically connected to a lead of the voice coil. The sound production apparatus of the present invention has low magnetic flux leakage, and the sound production apparatus effectively improves the magnetic field strength and increases the BL value, thereby improving acoustic performance.

The invention discloses a sound production device and a sound production module, and relates to the technical field of electroacoustic transduction, a central magnetic part of a magnetic circuit system of the sound production device comprises a first central magnet, a central magnetic conductive plate and a second central magnet which are stacked, and the magnetizing directions of the first central magnet and the second central magnet are opposite; a receding space is formed between every two adjacent side magnetic parts, the inner side of an inner folding ring of a first vibrating diaphragm assembly of the vibrating system is connected with the center magnetic part, a diaphragm and a second vibrating diaphragm assembly are sequentially arranged on the side, facing the magnetic conductive yoke, of the first vibrating diaphragm assembly, and a sound production cavity communicated with a sound production hole of the shell is formed between the diaphragm and the second vibrating diaphragm assembly. The first extension part of the second diaphragm assembly is correspondingly connected with the second extension part of the diaphragm and extends to the avoiding space, the rigid connecting piece is arranged in the avoiding space, the rigid connecting part of the rigid connecting piece is connected with the first extension part, and the fourth extension part of the rigid connecting piece is connected with the voice coil. According to the sound production device, the effective vibration area of the vibration system is increased, and the acoustic performance is improved.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a first magnetic gap is formed between an edge magnetic part of a magnetic circuit system of the sound production device and a magnetic conductive yoke, a second magnetic gap is formed between a central magnetic part and the magnetic conductive yoke, a support member is arranged on one side of the magnetic conductive yoke back to the central magnetic part, and the support member and the magnetic conductive yoke enclose to form an airflow cavity; the magnetic conductive yoke is provided with a first through hole communicated with the second magnetic gap and the airflow cavity, the supporting piece is provided with a second through hole communicated with the airflow cavity, a first vibrating diaphragm and a second vibrating diaphragm of the vibrating system are located on the two opposite sides of the magnetic circuit system, and the first vibrating diaphragm is provided with a third through hole communicated with the second through hole. The first voice coil and the second voice coil are arranged in the first magnetic gap and the second magnetic gap respectively, and sound waves of the first side of the second vibrating diaphragm and sound waves of the first side of the first vibrating diaphragm are radiated outwards on the same side of the sound production device together. According to the sound production device, the high-frequency performance is improved, and the vibration area of the vibration system is increased, so that the performance and the effect of the whole machine are improved.

The utility model discloses a sound production device and a sound production module, the sound production device comprises a shell, a magnetic circuit system and a vibration system, the shell is provided with a first sound outlet hole, and the shell comprises a first shell and a second shell; the magnetic circuit system is fixed on the second shell and is provided with a magnetic gap; the vibration system comprises a first vibrating diaphragm, a second vibrating diaphragm, a middle diaphragm and a voice coil, the first vibrating diaphragm is arranged on one side, far away from the magnetic circuit system, of the shell, and the outer edge of the first vibrating diaphragm is fixed on the first shell; the second vibrating diaphragm is arranged on one side, facing the magnetic circuit system, of the first vibrating diaphragm, and the outer edge of the second vibrating diaphragm is clamped between the first shell and the second shell; the middle diaphragm is arranged between the first vibrating diaphragm and the second vibrating diaphragm, and the outer edge of the middle diaphragm is connected with the first shell; the voice coil is at least partially arranged in the magnetic gap; the inner edges of the second vibrating diaphragm and the middle diaphragm are connected with the first vibrating diaphragm; and a closed second sound production cavity is formed between the second vibrating diaphragm and the middle diaphragm and is communicated with the first sound outlet hole.

The present invention relates to the technical field of electroacoustic transduction. Disclosed in the present invention are a sound production unit and an electronic device. The sound production unit comprises a housing and a magnetic circuit system, which is arranged in the housing and comprises a magnetically conductive yoke, a central magnetic portion and a side magnetic portion, wherein the central magnetic portion and the side magnetic portion are arranged on the magnetically conductive yoke, and the side magnetic portion is arranged on an outer side of the central magnetic portion; the central magnetic portion comprises central magnetic steel and a central magnetically conductive plate, with two opposite sides of the central magnetic steel being respectively connected to the central magnetically conductive plate and the magnetically conductive yoke; the side magnetic portion comprises side magnetic steel and a side magnetically conductive plate, with two opposite sides of the side magnetic steel being respectively connected to the side magnetically conductive plate and the magnetically conductive yoke; the central magnetically conductive plate and / or the side magnetically conductive plate are / is made of a cobalt alloy material; and the magnetically conductive yoke is also made of a cobalt alloy material. A thinned design of the sound production unit of the present invention is realized, and the magnetic induction intensity of the magnetic circuit system is also effectively improved, thereby increasing the BL value, and thus the acoustic performance requirement of the sound production unit can be met.

The invention relates to the technical field of fault detection, in particular to a rotating machine fault identification method based on multi-source information fusion, which comprises the following steps: collecting noise and vibration data of a target rotating machine; identifying and separating interference noise data generated by other sound production parts outside the target rotating machine; correcting the noise data of the target rotating machine by using the dry noise data; performing fusion processing on the corrected noise data and the vibration data, generating a comprehensive fault feature, matching the comprehensive fault feature with a known fault mode, and identifying a specific fault type; and generating a fault diagnosis report based on the fault type. Therefore, the accuracy of fault detection can be improved, the maintenance cost can be effectively reduced, and the service life of equipment is prolonged.

Disclosed in the present invention are a sound production apparatus and a terminal device. The sound production apparatus comprises a housing, a vibration system, and a magnetic circuit system; in the vibration system, a first vibration assembly comprises a first diaphragm assembly and a first voice coil connected to the first diaphragm assembly, and a second vibration assembly comprises a second diaphragm assembly and a second voice coil connected to the second diaphragm assembly; the first diaphragm assembly and the second diaphragm assembly are respectively connected to two ends of the housing and cover openings, the first voice coil is a rectangular voice coil, and the second voice coil is a racetrack-shaped voice coil; the magnetic circuit system is arranged in an accommodating cavity of the housing, and the magnetic circuit system is provided with a first magnetic gap and a second magnetic gap; the second magnetic gap is arranged around the first magnetic gap, and at least part of the first magnetic gap is communicated with the second magnetic gap; and one end of the first voice coil is suspended in the first magnetic gap, and one end of the second voice coil is suspended in the second magnetic gap. The sound production apparatus of the present invention can reduce the height and weight in the Z direction, thereby reducing the housing vibration caused by the vibration system.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electro-acoustic transformation.The sound production device comprises a shell, a magnetic circuit system and a vibration system, a common magnetic part of the magnetic circuit system is located on the outer side of a center magnetic part and is spaced from the center magnetic part to form a first magnetic gap, and side magnetic parts are located on the outer side of the common magnetic part and are spaced from the center magnetic part to form a second magnetic gap; an inner ring hole is formed in the center of a vibrating diaphragm of the vibrating system, the inner periphery of the vibrating diaphragm is connected with the magnetic circuit system, the first voice coil corresponds to the first magnetic gap, the second voice coil corresponds to the second magnetic gap, and the first voice coil and the second voice coil are connected to the vibrating diaphragm through a framework. According to the sound production device, the utilization rate of the magnetic circuit system is effectively improved, the BL value is improved, the loudness and sensitivity of the sound production device are improved, the first voice coil and the second voice coil are connected to the vibrating diaphragm through the framework, the positions of the first voice coil and the second voice coil in the magnetic circuit system are convenient to adjust, and the design of the magnetic circuit system is more flexible.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electro-acoustic transformation.The sound production device comprises a shell, a magnetic circuit system and a vibration system, a common magnetic part of the magnetic circuit system is located on the outer side of a center magnetic part and is spaced from the center magnetic part to form a first magnetic gap, and side magnetic parts are located on the outer side of the common magnetic part and are spaced from the center magnetic part to form a second magnetic gap; the central magnetic part comprises a first central magnet, a central magnetic conductive plate and a second central magnet which are arranged in a stacked mode, the shared magnetic part comprises a first shared magnet, a shared magnetic conductive plate and a second shared magnet which are arranged in a stacked mode, and an inner ring hole is formed in the center of a vibrating diaphragm of the vibrating system. The inner periphery of the vibrating diaphragm is connected with the magnetic circuit system, the first voice coil corresponds to the first magnetic gap, and the second voice coil corresponds to the second magnetic gap. According to the sound production device, the utilization rate of the magnetic circuit system is effectively improved, and the BL value is improved, so that the loudness and sensitivity of the sound production device are improved.

The invention discloses a sound production monomer and electronic equipment, and relates to the technical field of sound energy conversion, the sound production monomer comprises a shell, a magnetic circuit system and a vibration system, the magnetic circuit system comprises a support plate, a center magnetic circuit and a side magnetic circuit, the support plate is made of a magnetic conductive material, and a magnetic gap is formed between the center magnetic circuit and the side magnetic circuit; the central magnetic circuit comprises a first magnet, a concentrating flux plate and a second magnet, the side magnetic circuit comprises a first side magnet, a middle side magnet and a second side magnet which are sequentially arranged in the first direction, and the side magnetic circuit can form a magnetic field enhancement side facing the magnetic gap; the vibration system comprises a vibrating diaphragm and an annular voice coil used for driving the vibrating diaphragm to vibrate in the first direction, one end of the annular voice coil is connected with the vibrating diaphragm, and the other end is located in the magnetic gap. The magnetizing directions of the magnets in the center magnetic circuit and the side magnetic circuits are designed, so that magnetic lines of force can be focused at the position of the magnetic conductive plate, the intensity of a magnetic field is greatly improved, a magnetic field enhancement side facing a magnetic gap is formed, and the acoustic performance of the loudspeaker is improved.

Disclosed in the present invention are a sound production device, a sound production module, and an electronic apparatus. The sound production device comprises a magnetic circuit system, an electrically conductive support and a vibration system, wherein the magnetic circuit system comprises a magnetically conductive yoke, and a central magnetic part and an edge magnetic part arranged on the magnetically conductive yoke, the edge magnetic part and the central magnetic part enclosing a magnetic gap; the magnetic circuit system is provided with a mounting hole running through the magnetically conductive yoke and the central magnetic part, the electrically conductive support being arranged in the mounting hole, and the electrically conductive support being provided with a first welding surface; and the vibration system comprises a diaphragm assembly, a voice coil and a spider which are opposite the magnetic circuit system, one end of the voice coil being connected to the diaphragm assembly, and the other end of the voice coil being suspended in the magnetic gap, one end of the spider being electrically connected to the first welding surface, and the other end of the spider being connected to the diaphragm assembly and electrically connected to a lead-out wire of the voice coil. The first welding surface is not higher than the side surface of the central magnetic part facing the diaphragm assembly. The sound production device of the present invention has low magnetic leakage, so that the magnetic field intensity can be effectively improved, thus increasing the BL value, improving the acoustic performance.

The utility model discloses a pressing type pen with controllable pressing sound, which comprises a penholder, a refill, a reset spring and a pressing positioning component. The pressing and positioning assembly comprises a guiding piece, a sliding piece and a positioning piece, a guiding sliding groove is formed in the guiding piece, a rotating driving part and a positioning matching part are arranged in the guiding sliding groove, the sliding piece is installed on the guiding piece in a sliding mode in the length direction of the guiding sliding groove, the positioning piece is rotatably installed on the sliding piece, and a positioning part is arranged on the positioning piece; the positioning part is arranged in the guide chute in a sliding manner; wherein the sliding piece is further provided with a sound production piece, and the pen holder is provided with a sound production matching piece used for being matched with the sound production piece. The guide part is rotatably arranged in the pen holder, and the sliding part is used for pushing the refill to move in the pen holder. The pressing sound can be controlled to meet the use requirements of different users, and then the use experience of the users is improved.

The invention discloses a sound absorption assembly, a sound production device and electronic equipment, and relates to the acoustics field, the sound absorption assembly comprises a shell and molecular sieve powder filled in the shell, the shell is made of a flexible breathable material, the shell comprises a main body part and a sealing cover part, the main body part defines an accommodating space, the molecular sieve powder is filled in the accommodating space, and the sealing cover part covers the main body part. The sealing cover part covers the main body part to seal the accommodating space, the main body part forms a porous structure formed by stacking cellosilk, the silk diameter of the cellosilk is 0.05-10 [mu] m, the air permeability of the main body part is 100-1000 mm / s, and the average particle size of the molecular sieve powder is greater than 10 [mu] m. The invention solves the technical problem that the sound-absorbing particles are easy to crush and the crushed powder pollutes the sound-producing monomer, and the molecular sieve powder does not need to be bonded and molded by using a binder relative to the sound-absorbing particles, so that the influence on the sound-absorbing performance caused by the blocking of molecular sieve pore channels by the binder can be eliminated, and the sound-absorbing material has better acoustic improvement performance.

The invention discloses a sound production device, a sound production module and electronic equipment, and relates to the technical field of electroacoustic transduction, a vibration plate of a vibration system of the sound production device comprises a first plate part and a second plate part which are located on different horizontal planes, the top of a voice coil is connected with the first plate part, and the second plate part is located on the inner side of the voice coil; a central magnetic part of the magnetic circuit system comprises a first central magnet and a second central magnet which are located on the two opposite sides of the second plate part, the first central magnet and the second central magnet are magnetized in the first direction, and the magnetizing directions of the first central magnet and the second central magnet are opposite. The side, opposite to the vibrating diaphragm assembly, of the first center magnet is connected with the first magnet yoke, the side, opposite to the vibrating diaphragm assembly, of the second center magnet and the edge magnetic part are connected with the second magnet yoke, and the peripheral edges of the first magnet yoke and the second magnet yoke are connected in a welded mode. According to the sound production device, the thinning design can be realized, the BL value is effectively improved, the magnetic lines are distributed more uniformly, the BLx curve is flatter, and thus the distortion is reduced.

The present invention relates to the technical field of sound energy conversion, and disclosed are a sound production apparatus and an electronic device. The sound production apparatus comprises a magnetic circuit system, a first vibration system, a second vibration system, and a housing; the magnetic circuit system is used for forming a first magnetic gap and a second magnetic gap; the first vibration system comprises a first annular diaphragm and a first voice coil, wherein the first voice coil is arranged corresponding to the first magnetic gap; the second vibration system comprises a second diaphragm and a second voice coil; the housing and the first vibration system define a first sound cavity; a side sound outlet hole communicated with the first sound cavity is formed in a side wall of the housing; the housing and the second vibration system define a second sound cavity; and a front sound outlet hole communicated with the second sound cavity is formed in the housing, such that the sound production apparatus can be adapted to a use scenario in which a front sound outlet tube and a side sound outlet tube are provided. Because both the first vibration system and the second vibration system can produce sound, the total radiation area of the sound production apparatus is increased, and the performance of the sound production apparatus is improved.

The invention discloses a sound production device, a sound production module and electronic equipment, and relates to the technical field of electroacoustic transduction, and the sound production device comprises a first sound production monomer and a second sound production monomer which are arranged side by side along a first direction, the vibrating plates of the first sound production monomer and the second sound production monomer comprise first plate parts and second plate parts which are located on different horizontal planes in the second direction, the first plate parts are connected with the top of the voice coil and the vibrating diaphragm respectively, and the outer peripheries of the second plate parts abut against the inner peripheral wall of the voice coil; the central magnetic part of each of the first sound production single body and the second sound production single body comprises a first central magnet and a second central magnet which are positioned on two opposite sides of the second plate part; each first central magnet and each second central magnet are magnetized along a second direction and are opposite in magnetizing direction; and the magnetic energy product of the first central magnet of at least one central magnetic part is greater than that of the second central magnet. According to the sound production device, the BL value is improved, and distortion is reduced.

The invention relates to the technical field of audio noise reduction, in particular to an audio noise reduction method and system based on deep learning. The method comprises the following steps: acquiring original audio and sound production equipment operation data associated with the original audio; invalid audio elimination is carried out on the original audio, so that effective audio is generated; carrying out audio time alignment on the effective audio so as to generate a preprocessed standard audio; performing audio output mode detection on the preprocessed standard audio and the sound production equipment associated with the original audio to generate single-equipment output audio and multi-equipment output audio; audio period regular segmentation is carried out on single-device output audio, and single-device short-period output spectrum data and single-device long-period output spectrum data are generated. According to the invention, through invalid audio elimination, time alignment, layered noise extraction and abnormal noise identification, the accuracy and real-time performance of the noise reduction effect are improved.

The embodiment of the invention discloses an ear clip type earphone stable to wear and an earphone device, and the earphone comprises a first housing which is provided with an audio cavity; the sound production assembly is arranged in the audio cavity; the second shell and the first shell are arranged at an interval; the connecting piece comprises a first end, a second end and a matching part; the first end and the second end are oppositely arranged; the matching part is positioned between the first shell and the second shell; the first end of the connecting piece is connected with the first shell; the second end of the connecting piece is connected with the second shell; the curvature of a first connecting section, located between the first end and the matching part, of the connecting piece is smaller than that of a second connecting section, located between the second end and the matching part, of the connecting piece.

The invention relates to the technical field of ultrasonic detection, and discloses an ultrasonic probe based on a thermoacoustic effect, comprising: a thermoacoustic generator comprising a driving device and a sounding film, the thermoacoustic generator being configured to generate input excitation signals of different frequencies through the driving device, the sound production film is driven to generate an ultrasonic signal according to the input excitation signal, the ultrasonic signal is transmitted to the to-be-detected area, and the frequency of the ultrasonic signal corresponds to the frequency of the input excitation signal; the ultrasonic sensor comprises an imaging device and a sound receiving film, the sound receiving film is configured to receive an echo signal from the to-be-detected area, and the imaging device is configured to analyze an amplitude characteristic, a time characteristic and a spectrum response characteristic of the echo signal so as to generate a detection image of the to-be-detected area according to an analysis result. The sound production frequency adjusting capability of the ultrasonic probe can be remarkably improved, the operation process of ultrasonic imaging is greatly simplified, and the imaging requirements of different organs from low frequency to high frequency are met.

The invention discloses a vibration sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a sound production unit of the vibration sound production device comprises a first vibration system and a first magnetic circuit system, and the vibration unit comprises a vibrator assembly suspended on the periphery of the sound production unit and stator assemblies located on the two opposite sides of the sound production unit. Two driving coils of the stator assembly are located on the two sides of the sound production unit in the second direction, the stator assembly drives the vibrator assembly to vibrate in the second direction, and the projections of the first magnetic circuit system and the vibration unit in the first direction are both located in the projection range of the vibrating diaphragm assembly in the first direction; the side part of the shell is provided with a limiting part extending towards the accommodating space, and the limiting part is located on the side, facing the vibrating diaphragm assembly, of the vibrator assembly. According to the vibration sound production device, the sound production unit and the vibration unit are integrated, stacking arrangement is not needed, the functions are mutually independent and do not interfere with each other, and the thickness of a product is reduced while the performance requirements of the sound production unit and the vibration unit are met.

The utility model provides an earphone, and relates to the technical field of audio equipment. The earphone comprises a main body part, an extension part and a sound production part which are connected in sequence, the earphone further comprises a shell, and the shell is provided with a first pickup hole and a first microphone cavity. The first microphone is arranged in a first microphone cavity of the shell, the first pickup hole is communicated with the first microphone cavity, so that the outside of the shell can be communicated with the first microphone cavity, sound waves outside the shell can enter the first microphone cavity through the first pickup hole, and the sound waves can be received by the first microphone and converted into electric signals. The first pickup hole is opposite to at least part of the area of the side, facing the auricular conchae, of the tragus, so that at least part of the tragus can shield the first pickup hole, and therefore, when a user faces the wind, the tragus can prevent wind noise waves from entering the first pickup hole to a certain extent, and the wind noise generated when the earphone is used is reduced.

The utility model discloses a sounding device, a sounding module and an electronic device, and relates to the technical field of electroacoustic transduction, a central magnetic part of a magnetic circuit system of the sounding device comprises a first central magnet, a central magnetic conductive plate and a second central magnet which are stacked, and the inner side of an inner folding ring of a first diaphragm assembly of a vibration system is connected with the central magnetic part. The outer periphery of the outer folding ring is connected with the shell, the diaphragm and the second diaphragm assembly are sequentially arranged on the side, facing the magnetic conductive yoke, of the first diaphragm assembly, the outer edges of the diaphragm and the second diaphragm assembly are both connected with the shell, and the inner edge of the diaphragm is connected with the inner edge of the second diaphragm assembly. And the rigid connecting piece is connected with the second vibrating diaphragm assembly, and the other end of the rigid connecting piece is connected with the voice coil, so that the voice coil drives the second vibrating diaphragm assembly to vibrate through the rigid connecting piece. According to the sounding device, the effective vibration area of a vibration system is increased, and the acoustic performance is improved.

An apparatus for facilitating presentation of medical data is disclosed. Accordingly, the apparatus includes at least one of a microphone and a hand tracking device, a storage device configured for storing at least one medical data, a processing device communicatively coupled with at least one of the microphone and the hand tracking device configured for analyzing at least one of the sound data and the gesture data, generating an instruction. At least one of the head-mountable device, the ophthalmic device, and an implantable device communicatively coupled with each of the processing device and the storage device. Further, each of the head-mountable device, the ophthalmic device, and the implantable device includes at least one of a display device and a sound production device. Further, at least one of the head-mountable device, the ophthalmic device, and the implantable device is configured for presenting the at least one medical data.

An embodiment of the present specification provides an ear clip type earphone, comprising: a sounding part configured to be located in a conchae of a wearer and to be in contact with an inner wall of the conchae, the sounding part comprising: a housing forming an accommodating cavity; the sound production assembly is accommodated in the accommodating cavity; the sound outlet hole is formed in the shell, and the sound outlet hole is configured to lead out the sound generated by the sound production assembly; the abutting part is configured to abut against the back of the ear of the wearer; the ear hook is configured to bypass the antihelix and the helix of the wearer and connect the sound production part and the abutting part, and the ear hook is provided with a first symmetric surface; the shell is provided with a feature point which is in contact with the abutting part or is closest to the abutting part, the feature point is projected on the first symmetric plane to form a first projection point, and the ear clip type earphone further comprises a pressure relief hole; the arc length between the projection point of the center of the pressure relief hole on the first symmetry plane and the first projection point is within the range of 7.5 mm-9.5 mm.

An earphone, including: a housing, a first speaker unit, a second speaker unit. The housing has a sound output hole. The first speaker unit and the second speaker unit are separately independently fastened in the housing. The first speaker unit produces a sound toward the sound output hole. The second speaker unit is located on a side that is of the first speaker unit and that is away from the sound output hole and is spaced apart from the first speaker unit. A sound production frequency of the second speaker unit is smaller than a sound production frequency of the first speaker unit. A cavity is enclosed by the first speaker unit, the second speaker unit, and an inner wall of the housing, the cavity serves as a front cavity of the second speaker unit, and the front cavity communicates with the sound output hole through a sound output channel.

Disclosed in the present invention are a vibration sound production device, a vibration sound production module, and an electronic device. The vibration sound production device comprises a fixing assembly, a first vibration system and a second vibration system; the fixing assembly comprises a first housing and a magnetic circuit system fixed to the first housing, the first housing has an accommodating space, the magnetic circuit system is supported on the side of the first housing facing away from the accommodating space, and the magnetic circuit system has a magnetic gap; the first vibration system is arranged on the side of the magnetic circuit system facing away from the first housing, the first vibration system comprises a diaphragm assembly and a voice coil for driving the diaphragm assembly to vibrate, and the voice coil is suspended in the magnetic gap and drives the diaphragm assembly to vibrate in a first direction; the second vibration system is arranged in the accommodating space, the second vibration system comprises a vibrator assembly and elastic connecting pieces for connecting the vibrator assembly and the first housing, the vibrator assembly comprises a balancing weight and a driving coil arranged on the balancing weight, the driving coil is opposite to the magnetic circuit system and drives the vibrator assembly to vibrate in a second direction, and the second direction is perpendicular to the first direction.

The utility model discloses a double-sided sound production loudspeaker, which comprises a shell, a magnetic circuit system and a vibration unit, the magnetic circuit system comprises a magnetic conductive seat connected with the shell, the magnetic conductive seat comprises a main magnetic plate and side magnetic plates, the side magnetic plates are respectively arranged on two sides of the main magnetic plate along a first direction at intervals, the main magnetic plate is provided with a main magnetic unit, and the main magnetic unit is provided with a plurality of vibration units. An edge magnetic unit is arranged on the edge magnetic plate; the vibrating unit comprises vibrating diaphragms and voice coils, the two vibrating diaphragms are arranged on the shell in a spaced mode in the second direction, the voice coils are arranged on the two vibrating diaphragms, and the voice coils are located between the main magnetic unit and the side magnetic units. According to the double-sided sounding loudspeaker, the two sides of the magnetic circuit system are respectively provided with one vibration unit, so that the two voice coils can form two independent magnetic fields through the main magnetic unit and the side magnetic units respectively, double-sided sounding is realized, the two magnetic fields share one magnetic conductive seat, the space occupied by the magnetic circuit system along the first direction is reduced, and the space occupied by the magnetic circuit system along the second direction is reduced. And the miniaturization and thinning development of the double-sided sounding loudspeaker is facilitated.