CN215010712U - Neck-hung hearing aid - Google Patents

Neck-hung hearing aid Download PDF

Info

Publication number
CN215010712U
CN215010712U CN202120365204.0U CN202120365204U CN215010712U CN 215010712 U CN215010712 U CN 215010712U CN 202120365204 U CN202120365204 U CN 202120365204U CN 215010712 U CN215010712 U CN 215010712U
Authority
CN
China
Prior art keywords
box body
earphone head
hung
hearing aid
microphone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120365204.0U
Other languages
Chinese (zh)
Inventor
郑兴世
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Shuting Medical Instrument Co ltd
Original Assignee
Chengdu Shuting Medical Instrument Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Shuting Medical Instrument Co ltd filed Critical Chengdu Shuting Medical Instrument Co ltd
Application granted granted Critical
Publication of CN215010712U publication Critical patent/CN215010712U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Headphones And Earphones (AREA)

Abstract

The utility model discloses a neck-hung hearing aid, which comprises a left box body, a right box body, a left earphone head, a right earphone head and a neck-hung ring; the left earphone head is connected with the left box body through a left signal line, and the right earphone head is connected with the right box body through a right signal line; the left box body is connected with the right box body through a neck hanging ring; the left box body and the right box body are provided with at least one microphone, control circuits are arranged in the left box body and the right box body, and the control circuits are connected with the microphones, the left earphone head and the right earphone head; the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head and the right earphone head to be played. Usually, the microphone is arranged on the box body hung on the neck, so that a sufficient distance can be ensured between the microphone and the earphone head, the microphone is prevented from receiving sound leaked from the earphone head, and the generation of a squeaking problem is avoided.

Description

Neck-hung hearing aid
Technical Field
The utility model relates to a audiphone technical field especially relates to a formula audiphone is hung to neck.
Background
With the progress of science and technology and the continuous development of society, hearing aids are more and more widely applied to hearing-impaired people and old people. However, in the present state, problems of air lock, noise, whistling etc. often occur in hearing aids.
The hearing aid, when in operation, amplifies the received sound, thereby allowing the wearer to hear the outside sound. Howling occurs because the hearing aid amplifies the sound, and the sound leaked from the ear canal is picked up again by the microphone in the hearing aid, and the sound is cyclically amplified, thereby causing a howling problem. Therefore, how to avoid howling when using a hearing aid is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a neck-hung hearing aid, can avoid the production of whistling.
In order to solve the technical problem, the utility model provides a neck-hung hearing aid, which comprises a left box body, a right box body, a left earphone head, a right earphone head and a neck-hung ring;
the left earphone head is connected with the left box body through a left signal line, and the right earphone head is connected with the right box body through a right signal line; the left box body is connected with the right box body through the neck hanging ring;
the left box body and the right box body are provided with at least one microphone, control circuits are arranged in the left box body and the right box body respectively, and the control circuits are connected with the microphones, the left earphone head and the right earphone head;
the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head and the right earphone head to be played.
Optionally, when the headset is worn, the distance between the left headset head and the microphone is not less than 20cm, and the distance between the right headset head and the microphone is not less than 20 cm.
Optionally, the left earphone head and the right earphone head are both half-in-ear earphone heads.
Optionally, a wireless receiving module is arranged in the left box body and/or the right box body, the wireless receiving module is connected with the control circuit, and the control circuit is further configured to convert the electrical signals received by the wireless receiving module into sound signals through the left earphone head and the right earphone head for playing.
Optionally, a control switch is arranged on the left signal line or the right signal line, and the control switch is connected with the control circuit; the control circuit is also used for starting the wireless receiving module according to the control signal sent by the control switch.
Optionally, the left box body and the right box body are provided with microphones.
Optionally, the left box body and the right box body are provided with a plurality of microphones.
Optionally, the top hanging ring is an arc-shaped elastic top hanging ring.
Optionally, the left earphone head is provided with a first magnet, and the right earphone head is provided with a second magnet which is attracted to the first magnet.
Optionally, a rechargeable battery is arranged in the left box body and/or the right box body, a wireless charging coil is further arranged in the left box body and/or the right box body, and the wireless charging coil is electrically connected with the rechargeable battery.
The utility model provides a neck-hung hearing aid, which comprises a left box body, a right box body, a left earphone head, a right earphone head and a neck-hung ring; the left earphone head is connected with the left box body through a left signal line, and the right earphone head is connected with the right box body through a right signal line; the left box body is connected with the right box body through a neck hanging ring; the left box body and the right box body are provided with at least one microphone, control circuits are arranged in the left box body and the right box body, and the control circuits are connected with the microphones, the left earphone head and the right earphone head; the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head and the right earphone head to be played.
Usually, the microphone is arranged on the box body hung on the neck, so that a sufficient distance can be ensured between the microphone and the earphone head, the microphone is prevented from receiving sound leaked from the earphone head, and the generation of a squeaking problem is avoided.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a necklace-hung hearing aid according to an embodiment of the present invention.
In the figure: 1. the left box body, 2, the control switch, 3, the left earphone head, 4, the right earphone head, 5, the top hanging ring and 6, the right box body.
Detailed Description
The core of the utility model is to provide a neck-hung hearing aid. In the prior art, the microphone and the sound outlet hole of the receiver of the hearing aid are positioned relatively close to each other in all parts of the hearing aid, so that the sound leaked from the auditory canal of a wearer during the operation of the hearing aid is easily acquired and amplified by the center of the microphone of the hearing aid, and the whistling problem is caused.
The utility model provides a neck-hung hearing aid, which comprises a left box body, a right box body, a left earphone head, a right earphone head and a neck-hung ring; the left earphone head is connected with the left box body through a left signal line, and the right earphone head is connected with the right box body through a right signal line; the left box body is connected with the right box body through a neck hanging ring; the left box body and the right box body are provided with at least one microphone, control circuits are arranged in the left box body and the right box body, and the control circuits are connected with the microphones, the left earphone head and the right earphone head; the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head and the right earphone head to be played.
Usually, the microphone is arranged on the box body hung on the neck, so that a sufficient distance can be ensured between the microphone and the earphone head, the microphone is prevented from receiving sound leaked from the earphone head, and the generation of a squeaking problem is avoided.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a necklace-type hearing aid according to an embodiment of the present invention.
Referring to fig. 1, in the embodiment of the present invention, the necklace type hearing aid includes a left box body 1, a right box body 6, a left earphone head 3, a right earphone head 4 and a necklace ring 5; the left earphone head 3 is connected with the left box body 1 through a left signal line, and the right earphone head 4 is connected with the right box body 6 through a right signal line; the left box body 1 is connected with the right box body 6 through the top hanging ring 5; the left box body 1 and the right box body 6 are provided with at least one microphone, control circuits are arranged in the left box body 1 and the right box body 6 respectively, and the control circuits are connected with the microphones, the left earphone head 3 and the right earphone head 4; the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head 3 and the right earphone head 4 to be played.
Control circuits are arranged in the left box body 1 and the right box body 6 and are used for realizing various functions of the neck-hung hearing aid. The left box body 1 is connected with the right box body 6 through the hanging ring 5, and the hanging ring 5 is generally arc-shaped, so that the structure formed by the left box body 1, the hanging ring 5 and the right box body 6 can be hung on the neck of a user. Normally, a signal line is provided in the hanging ring 5 for connecting control circuits respectively provided in the left box 1 and the right box 6. Usually, the necklace 5 is an arc-shaped elastic necklace 5, that is, the necklace 5 has a certain elasticity to ensure the wearing comfort of the necklace type hearing aid.
The specific structure of the left box body 1 and the right box body 6 is not limited in the embodiment of the present invention, as long as each of the above components can be accommodated and installed. In general, the left box 1 and the right box 6 are rectangular.
The left earphone head 3 is connected with the left box body 1 through a left signal line, and the left earphone head 3 is generally required to be connected with the control circuit so as to ensure that the left earphone head 3 can play sound. While the right headset head 4 usually also needs to be connected to the above-mentioned control circuit to ensure that the right headset head 4 can play sound.
Above-mentioned left box body 1 is provided with at least one microphone with right box body 6 altogether, is in promptly the embodiment of the utility model provides an embodiment microphone specifically sets up at the box body of hanging the user's neck of arranging in, rather than setting up in user's ear canal. The control circuit is specifically connected with the microphone, the left earphone head 3 and the right earphone head 4, so that the control circuit can be used for converting a sound signal received by the microphone into an electric signal and processing the electric signal, and then converting the processed electric signal into the sound signal through the left earphone head 3 and the right earphone head 4 to be played.
Specifically, in the embodiment of the present invention, the control circuit usually includes a main control chip, a sound processing module, and the like, wherein the sound processing module is mainly used for realizing the electric signal converted from the sound signal acquired by the microphone, and performing the functions of sound enhancement, noise reduction, amplification, and the like. For the specific structure of the control circuit, reference may be made to the prior art, and details thereof are not repeated herein. In the embodiment of the present invention, the control circuit is mainly used to realize the functions of the conventional hearing aid.
Specifically, the embodiment of the present invention provides a top-hung hearing aid when being worn, the distance between the left earphone head 3 and the microphone is not less than 20cm, and the distance between the right earphone head 4 and the microphone is not less than 20 cm. Namely the embodiment of the utility model provides an in can guarantee to have between microphone and the earphone head 20cm about the distance keep apart to guarantee that the microphone can not receive the sound of revealing from the earphone head.
Specifically, in the embodiment of the present invention, the left earphone head 3 and the right earphone head 4 may be a half-in-ear earphone head. The so-called half-in-ear type is that the left earphone head 3 and the right earphone head 4 do not completely block the ear canal, thereby effectively increasing the wearing comfort of the user. Because the ear canal can not be completely blocked by the left earphone head 3 and the right earphone head 4, and the problem of air blockage and the problem of stethoscope effect can not be generated, the good wearing comfort can be provided. It should be noted that, because the distance between the earphone head and the microphone is far away in the embodiment of the present invention, even if the left earphone head 3 and the right earphone head 4 are half-in-ear type and cannot completely block the ear canal, the microphone can be prevented from receiving the sound leaked from the ear canal.
Specifically, in the embodiment of the utility model provides an in, left side box body 1 and/or be provided with wireless receiving module in the box body 6 of the right side, wireless receiving module with control circuit connects, control circuit still is used for passing through left earphone head 3 and right earphone head 4 will the signal of telecommunication conversion that wireless receiving module received plays for sound signal.
The embodiment of the present invention provides a bluetooth receiving module, which generally needs to include an antenna to ensure that a wireless signal can be received, and the wireless signal belongs to an electrical signal. The wireless receiving module can be only arranged on the left box body 1 or the right box body 6, and can also be arranged on both the box bodies. The wireless receiving module is required to be connected with a control circuit, the wireless receiving module can receive electric signals transmitted from the outside, and the corresponding control circuit is also used for converting the electric signals received by the wireless receiving module into sound signals through the left earphone head 3 and the right earphone head 4 to be played. When the electric signals received by the wireless receiving module are played through the left earphone head 3 and the right earphone head 4, the hearing aid is equivalent to a wireless earphone for playing sound.
For the specific structure of the wireless receiving module, reference may be made to the prior art, and details thereof are not repeated herein. It should be noted that in the embodiment of the present invention, the wireless transmitting module that the above-mentioned wireless receiving module corresponds specifically can set up in the cell-phone, also can set up in the TV moderate electronic equipment all can, promptly the embodiment of the utility model provides a wireless signal that electronic equipment such as TV, cell-phone sent can be received to the neck-hung audiphone that hangs formula audiphone that provides to convert this wireless signal into sound signal after handling the amplification and send via left earphone head 3 and right earphone head 4, realize the hearing aid function.
Specifically, in the embodiment of the present invention, the left signal line or the right signal line is provided with a control switch 2, and the control switch 2 is connected to the control circuit; the control circuit is also used for starting the wireless receiving module according to the control signal sent by the control switch 2.
I.e. the left or right signal line, is provided with a control switch 2, which control switch 2 is typically a light button, which is connected to the control line so that it can output a control signal to the control line. Accordingly, the control circuit may be configured to turn on the wireless receiving module according to the control signal sent by the control switch 2, so that the hearing aid may play the electric signal received by the wireless receiving module at this time.
It should be noted that, when the wireless receiving module works, the microphones may be selectively turned off, so that the left earphone head 3 and the right earphone head 4 only play the signals received by the wireless receiving module, and also play the signals received by the wireless receiving module and the signals received by the microphones simultaneously, so as to ensure that the wearer can hear the ambient sound clearly. Specifically, the control circuit may further mix the signal received by the wireless receiving module with the signal received by the microphone, and adjust a ratio between the signal received by the wireless receiving module and the signal received by the microphone, usually, turn down the ratio of the signal received by the microphone, so as to ensure the effect of the user listening to the sound.
It should be further noted that the control switch 2 not only can be used to switch the operating mode of the necklace type hearing aid, i.e. to control the switch of the wireless receiving module, but also can be used to control the switch of the whole necklace type hearing aid, for example, the necklace type hearing aid can be opened or closed by pressing the control switch 2 for a long time, and the specific implementation function of the control switch 2 is not limited in the embodiment of the present invention.
The embodiment of the utility model provides an in, left side box body 1 with right side box body 6 can be provided with a plurality of microphones altogether to constitute the microphone array, thereby the produced sound of more clear acquisition surrounding environment. Specifically, the left box body 1 and the right box body 6 are both provided with microphones to ensure that the left and right sounds can be symmetrically acquired by the top-hung hearing aid, so that the positions of different sounds can be simulated. Further, in the embodiment of the utility model provides an in left side box body 1 with right side box body 6 all can be provided with a plurality of microphones to all be provided with the microphone array in guaranteeing arbitrary box body, with more clear acquisition surrounding sound, and can simulate out the produced position of different sound, with the effect of guaranteeing that the user listens to.
The embodiment of the utility model provides an in, above-mentioned left box body 1 and/or be provided with rechargeable battery in the box body 6 of the right side, left side box body 1 and/or still be provided with wireless charging coil in the box body 6 of the right side, wireless charging coil with the rechargeable battery electricity is connected.
Can be provided with rechargeable battery and be used for wireless charging coil who charges in the above-mentioned box body promptly to realize wireless function of charging. When the wireless charging coil works, the energy of the magnetic field where the wireless charging coil is located can be converted into electric energy to be stored in the charging battery, so that wireless charging is realized. It should be noted that, the above-mentioned rechargeable battery and wireless charging coil can be located in the same left box body 1 or the same right box body 6, or dispersedly set up in left box body 1 and right box body 6, or set up in left box body 1 and right box body 6 all, and the concrete position relation of related wireless charging coil and rechargeable battery can be set for by oneself according to actual conditions, does not do the specific limitation here.
The embodiment of the utility model provides an in, can all be provided with into ear detection circuitry in above-mentioned left earphone head 3 and the right earphone head 4, can go into ear detection circuitry and can detect whether left earphone head 3 or right earphone head 4 that correspond wear in the duct. The in-ear detection circuit is also required to be connected with a control circuit, and when the in-ear detection circuit judges that the current user wears the corresponding earphone head, the corresponding earphone head is started and the controller works; when the ear-entering detection circuit judges that the current user does not wear the corresponding earphone head, the corresponding earphone head can be closed to save electric energy. Meanwhile, the whistling generated in the process of wearing the earphone head and putting into the ear of the user can be avoided. If the working state of the earphone head is not closed, the earphone head is worn in an ear mode, and the hand can pick up the earphone head, so that the hand plays a role in an acoustic feedback link, and howling can be caused.
The embodiment of the utility model provides an in, left side earphone head 3 can be provided with first magnet, right side earphone head 4 can be provided with first magnet inter attraction's second magnet. When the user did not wear above-mentioned earphone head, can adsorb the laminating each other with left earphone head 3 and right ear aircraft nose 4 through first magnet and second magnet, hang in the chest, the placing of left earphone head 3 and right ear aircraft nose 4 of being convenient for prevents that left earphone head 3 and right ear aircraft nose 4 from shaking in disorder when not wearing.
The embodiment of the utility model provides a neck-hung hearing aid, which comprises a left box body 1, a right box body 6, a left earphone head 3, a right earphone head 4 and a neck-hung ring 5; the left earphone head 3 is connected with the left box body 1 through a left signal line, and the right earphone head 4 is connected with the right box body 6 through a right signal line; the left box body 1 is connected with the right box body 6 through a top hanging ring 5; the left box body 1 and the right box body 6 are provided with at least one microphone, control circuits are arranged in the left box body 1 and the right box body 6 respectively, and the control circuits are connected with the microphones, the left earphone head 3 and the right earphone head 4; the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head 3 and the right earphone head 4 to be played.
Usually, the microphone is arranged on the box body hung on the neck, so that a sufficient distance can be ensured between the microphone and the earphone head, the microphone is prevented from receiving sound leaked from the earphone head, and the generation of a squeaking problem is avoided.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above is to the present invention provides a neck-hung hearing aid, which is described in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A neck-hung hearing aid is characterized by comprising a left box body, a right box body, a left earphone head, a right earphone head and a neck-hung ring;
the left earphone head is connected with the left box body through a left signal line, and the right earphone head is connected with the right box body through a right signal line; the left box body is connected with the right box body through the neck hanging ring;
the left box body and the right box body are provided with at least one microphone, control circuits are arranged in the left box body and the right box body respectively, and the control circuits are connected with the microphones, the left earphone head and the right earphone head;
the control circuit is used for converting the sound signals received by the microphone into electric signals and processing the electric signals, and then converting the processed electric signals into sound signals through the left earphone head and the right earphone head to be played.
2. The top-hung hearing aid according to claim 1, wherein the distance between the left earpiece and the microphone is no less than 20cm and the distance between the right earpiece and the microphone is no less than 20cm when worn.
3. The top-hung hearing aid according to claim 2, wherein the left and right earpieces are each a half-in-ear earpiece.
4. The top-hung hearing aid according to claim 1, wherein a wireless receiving module is provided in the left box body and/or the right box body, the wireless receiving module is connected to the control circuit, and the control circuit is further configured to convert the electrical signal received by the wireless receiving module into a sound signal through the left earphone head and the right earphone head for playing.
5. The top-hung hearing aid according to claim 4, wherein the left signal line or the right signal line is provided with a control switch, and the control switch is connected with the control circuit; the control circuit is also used for starting the wireless receiving module according to the control signal sent by the control switch.
6. The top-hung hearing aid according to claim 1, wherein the left box and the right box are each provided with a microphone.
7. The top-hung hearing aid according to claim 6, wherein the left box and the right box are each provided with a plurality of microphones.
8. The top-hung hearing aid according to claim 1, wherein the top-hung loop is an arc-shaped elastic top-hung loop.
9. The overhead hearing aid of claim 1, wherein the left earpiece head is provided with a first magnet and the right earpiece head is provided with a second magnet that is attracted to the first magnet.
10. The top-hung hearing aid according to claim 1, wherein a rechargeable battery is arranged in the left box body and/or the right box body, a wireless charging coil is further arranged in the left box body and/or the right box body, and the wireless charging coil is electrically connected with the rechargeable battery.
CN202120365204.0U 2021-01-22 2021-02-07 Neck-hung hearing aid Active CN215010712U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2021201903097 2021-01-22
CN202120190309 2021-01-22

Publications (1)

Publication Number Publication Date
CN215010712U true CN215010712U (en) 2021-12-03

Family

ID=79146375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120365204.0U Active CN215010712U (en) 2021-01-22 2021-02-07 Neck-hung hearing aid

Country Status (1)

Country Link
CN (1) CN215010712U (en)

Similar Documents

Publication Publication Date Title
CN106664498B (en) For generating the artificial ear device and its correlation technique of head relevant to audio frequency transmission function
US9510112B2 (en) External microphone array and hearing aid using it
US8005249B2 (en) Ear canal signal converting method, ear canal transducer and headset
EP2840810A2 (en) A hearing assistance device with a low-power mode
US20220140628A1 (en) Charger and Charging System for Hearing Devices
CN103874000A (en) Hearing instrument
CN112822585B (en) Audio playing method, device and system of in-ear earphone
CN208094796U (en) A kind of hearing aid and hearing assistance system
US20230188909A1 (en) Hearing system comprising a hearing aid and a processing device
JP2022504939A (en) Modular in-ear device
JP3066305U (en) Hearing aid
CN209345401U (en) A kind of smart phone auditory prosthesis
CN215010712U (en) Neck-hung hearing aid
CN116033312B (en) Earphone control method and earphone
CN208316970U (en) earphone and communication system
US11818549B2 (en) Hearing aid system and a method for operating a hearing aid system
CN203748008U (en) Bluetooth double-ear hearing aid device
CN213462193U (en) Magnetic traffic earphone
CN213403429U (en) Earphone set
CN212936205U (en) Hearing aid equipment and hearing aid system
CN205195931U (en) Headset
CN209767791U (en) bone conduction earphone
CN216162852U (en) Hearing aid equipment utilizing near field magnetic communication technology
US9570089B2 (en) Hearing system and transmission method
CN104936117A (en) Binaural hearing aid device used in cooperation with Bluetooth headset

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant