CN111935582B - Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment - Google Patents

Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment Download PDF

Info

Publication number
CN111935582B
CN111935582B CN202010837404.1A CN202010837404A CN111935582B CN 111935582 B CN111935582 B CN 111935582B CN 202010837404 A CN202010837404 A CN 202010837404A CN 111935582 B CN111935582 B CN 111935582B
Authority
CN
China
Prior art keywords
shell
earphone
housing
adjusting groove
cavity
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
CN202010837404.1A
Other languages
Chinese (zh)
Other versions
CN111935582A (en
Inventor
文卫平
姜鸿彦
蓝军
蓝天翔
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.)
Foshan Bozhi Medical Technology Co ltd
Original Assignee
Foshan Bozhi Medical Technology 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 Foshan Bozhi Medical Technology Co ltd filed Critical Foshan Bozhi Medical Technology Co ltd
Priority to CN202010837404.1A priority Critical patent/CN111935582B/en
Publication of CN111935582A publication Critical patent/CN111935582A/en
Application granted granted Critical
Publication of CN111935582B publication Critical patent/CN111935582B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008Earpieces of the supra-aural or circum-aural type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091Details not provided for in groups H04R1/1008 - H04R1/1083

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

The invention discloses a variable self-adaptive earphone shell which comprises a shell matched with an eardrum cavity, wherein the shell is provided with the shell cavity, a deformation layer is arranged in the shell cavity, the deformation layer is installed inside the shell in a fitting manner and used for supporting the shell, the deformation layer can deform along with the deformation of the shell, and the outer wall of the shell is provided with at least one adjusting groove. Also discloses an earplug device, which comprises the earphone shell, a loudspeaker and a control chip. Also discloses hearing-aid equipment, which comprises the earplug device and a host, wherein the earplug device is in wired or wireless connection with the host. When the earphone shell is used, the earphone shell is not inserted into an ear canal, so that the earphone shell is high in comfort, firm to wear and good in stability, foreign body feeling and stuffy feeling are reduced, and good and ideal tone quality can be guaranteed. The earplug device uses the earphone shell, and is high in comfort and good in stability. Above-mentioned earplug device has been applied to hearing aid equipment, and the whole comfort level of wearing is high, listens the high quality.

Description

Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment
Technical Field
The invention relates to the field of hearing equipment, in particular to a variable self-adaptive earphone shell, an earplug device using the same and hearing-aid equipment.
Background
The existing earphones are mainly divided into in-ear earphones, earmuff earphones, bone conduction earphones and the like, the in-ear earphones have good anti-interference effect, but cannot be worn for a long time, because the in-ear earphones are easy to cause damage to auricles and external auditory canals due to long-term contact, are closer to eardrums, stimulate the eardrums more directly and possibly have great adverse effects; the damage of the earmuff type earphone to ears is less than that of an in-ear type earphone, but the earmuff type earphone is in contact with the skin of the head for a long time, is easy to sweat and breed bacteria, has large volume and weight and is inconvenient to carry; and bone conduction earphone utilizes great earphone vibrating diaphragm to produce acoustic radiation, and the organism does not directly contact the ear, wears the travelling comfort and improves, nevertheless because the sound conduction mode loss that adopts acoustic radiation is big for tone quality and definition reduce, influence experience effect.
Disclosure of Invention
The present invention is directed to a variable adaptive earphone shell that can be worn securely without being inserted into an ear canal, reduces foreign body sensation and stuffy feeling, and allows a user to obtain an ideal sound quality, an earplug apparatus using the earphone shell, and a hearing aid device using the earplug apparatus, which can solve at least one of the above problems.
According to one aspect of the invention, the variable self-adaptive earphone shell comprises a shell matched with an eardrum cavity, wherein the shell is provided with the shell cavity, a deformation layer is arranged in the shell cavity and is attached to the inside of the shell, the deformation layer is used for supporting the shell and can deform along with the deformation of the shell, and the outer wall of the shell is provided with at least one adjusting groove.
Therefore, the invention provides an earphone shell with a brand new structure, when in specific use, various parts are installed in the earphone shell according to selected requirements, then the earphone shell is lightly placed in the position of the concha cavity of a human ear, so that the adjusting groove is positioned on one surface of the shell, which is attached to the skin of the human ear, the earphone shell is kneaded by fingers to be matched with the shape of the concha cavity of a user, meanwhile, the sound outlet is ensured to be aligned with the position of the external auditory meatus behind the tragus, the whole earphone is not required to be inserted into the auditory meatus, and at the moment, sound can be well transmitted into the human ear.
The earphone shell can be very fit with the shape of the concha cavity of the human ear after being adjusted, and can be worn firmly. The earphone has the advantages that the earphone does not need to be inserted into an auditory canal, meanwhile, the ventilation function is achieved, foreign body feeling and stuffy feeling generated when the earphone is worn can be effectively reduced, and the earphone is worn for a long time. Moreover, the earphone shell is placed in the concha cavity, so that obvious sound energy loss is avoided, the tone quality of output sound signals can be well kept, and better listening experience is provided for users.
In some embodiments, the adjustment grooves include a first adjustment groove and a second adjustment groove, the first adjustment groove is formed along the outer circumference of the housing in a radial direction, the second adjustment groove is formed along the height direction of the housing, and the second adjustment groove is communicated with the first adjustment groove. From this, during the specific use, the regulation trench is located the one side of shell laminating people's ear skin, makes the shell press different shapes with the finger more easily on the one hand, and on the other hand is wearing the back, and the regulation trench plays the effect of ventilating, improves the travelling comfort. The two adjusting grooves can be used for stretching and adjusting the shell in two directions.
In some embodiments, the adjustment slot is circular arc shaped. Therefore, the arc-shaped adjusting groove is convenient to stretch and reset, and the shell is convenient to stretch easily when being flattened.
In some embodiments, a sound outlet is formed at one end of the housing and is adapted to mate with the ear canal opening. Therefore, the sound outlet is convenient for sound emitted by a sound output element such as a loudspeaker to enter human ears.
In some embodiments, the housing is a resilient housing. Therefore, the shell of the invention is made of hard or soft materials such as silica gel and the like which can be contacted with the skin of a human body, and the shell made of the silica gel material is soft and is easy to be attached to the inner wall of the auditory canal.
In some embodiments, the deformation layer is a wire mesh. Therefore, the metal wire mesh can play a role in supporting the shell and also can deform in cooperation with the deformation of the shell, so that the overall shape of the earphone shell is matched with the shape of the auditory canal of a user. By the action of external force, the deformation layer is flattened or compressed to form, and the deformed shape can be continuously maintained. The deformation layer of the present invention is made of a deformable rigid or soft material for supporting and securing the housing to maintain the desired form of the housing.
According to another aspect of the present invention, an earplug device is further provided, which includes the earphone shell, a speaker and a control chip, wherein the speaker and the control chip are disposed in the earphone shell and located in the shell cavity, and the speaker is electrically connected to the control chip and corresponds to the sound outlet on the shell.
Therefore, the earphone shell is applied to the earplug device, so that the earplug device can not be inserted into an ear canal when in use, is high in comfort, can reduce foreign body sensation and stuffy feeling, can be firmly worn, is good in stability, and can ensure good and ideal tone quality.
In some embodiments, the earplug device further comprises a battery assembly, and the battery assembly is mounted in the cavity and electrically connected to the control chip and the speaker. The battery assembly is thus used to power the components.
According to a further aspect of the present invention, there is also provided a hearing aid device, comprising the above-mentioned earplug apparatus, and further comprising a host, wherein the earplug apparatus is connected with the host in a wired or wireless manner.
Therefore, the hearing-aid equipment provided by the invention applies the earplug device, the host can control the loudspeaker in the earplug device to emit sound, and then the sound is transmitted into the ear of a person through the sound outlet on the earphone shell, so that the whole wearing comfort level is high, and the listening quality is high.
In some embodiments, a bluetooth receiving module is disposed in the control chip, and a bluetooth transmitting module is disposed in the host, and the bluetooth transmitting module is matched with the bluetooth receiving module. Therefore, the host and the earplug device are in wireless connection through Bluetooth, and the earphone device is convenient to use.
The invention has the beneficial effects that:
the invention provides an earphone shell with a brand new structure, when in specific use, various parts are installed in the earphone shell according to selected requirements, then the earphone shell is lightly placed in the position of the concha cavity of a human ear, the earphone shell is kneaded by fingers to be matched with the shape of the concha cavity of a user, meanwhile, a sound outlet is ensured to be aligned with the position of the external auditory meatus behind the tragus, the whole earphone does not need to be inserted into the auditory meatus, and sound can be well transmitted into the human ear.
The earphone shell is applied to the earplug device, so that the earplug device is not inserted into an ear canal when in use, has high comfort, reduces foreign body feeling and stuffy feeling, can be worn firmly, has good stability, and can ensure good and ideal tone quality.
The hearing-aid device provided by the invention adopts the earplug device, the loudspeaker in the earplug device can be controlled to emit sound through the host, and then the sound is transmitted into the ear of a person through the sound outlet on the earphone shell, so that the whole wearing comfort level is high, and the listening quality is high.
Drawings
Fig. 1 is a simplified structural diagram of a variable adaptive earphone shell according to an embodiment of the present invention in a use state;
fig. 2 is a schematic structural diagram of the variable adaptive earphone shell shown in fig. 1;
fig. 3 is a schematic top view of the variable adaptive earphone shell shown in fig. 2;
fig. 4 is a schematic cross-sectional view of the direction a-a of the variable adaptive earphone shell shown in fig. 3;
fig. 5 is a schematic front view of the variable adaptive headphone shell shown in fig. 2;
fig. 6 is a schematic cross-sectional view of the variable adaptive headphone shell shown in fig. 5 at a position B-B;
fig. 7 is a schematic diagram illustrating a variation state of the variable adaptive earphone shell shown in fig. 6;
fig. 8 is a second schematic diagram illustrating a variation state of the variable adaptive earphone shell shown in fig. 6;
fig. 9 is a simplified structural schematic diagram of a hearing aid device of embodiment 1 of the present invention;
fig. 10 is a simplified circuit schematic of the hearing assistance device of fig. 9;
fig. 11 is a schematic diagram of a simplified circuit configuration of a hearing aid device according to embodiment 2 of the present invention.
Reference numerals in FIGS. 1 to 11: 1-human ear; 2-an earplug arrangement; 3-a host; 11-ear canal mouth; 12-the concha cavity; 21-earphone shell; 22-a loudspeaker; 23-a control chip; 24-a battery assembly; 31-a bluetooth transmitting module; 211-a housing; 212-a deformation layer; 231-a bluetooth receiving module; 2111-shell cavity; 2112-adjustment tank; 2113-sound outlet; 2112 a-first adjustment slot; 2112 b-second adjustment slot.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments and the accompanying drawings.
Example 1
Fig. 1-8 schematically illustrate a variable adaptive headphone housing according to an embodiment of the invention.
As shown in fig. 1-8, the variable adaptive headphone housing 21 includes a housing 211 that fits into the concha cavity 12. The housing 211 is provided with a housing cavity 2111, and the deformation layer 212 is arranged in the housing cavity 2111. The deformation layer 212 is attached to the inside of the housing 211, and the deformation layer 212 is used for supporting the housing 211 and can deform along with the deformation of the housing 211.
The outer wall of the housing 211 is formed with at least one adjustment slot 2112. Therefore, during specific use, the adjusting groove 2112 is positioned on one surface of the shell 211, which is attached to the skin of the human ear 1, so that the shell 211 can be pressed into different shapes by fingers more easily, and the adjusting groove 2112 plays a role in ventilation after being worn, thereby improving comfort.
The adjustment groove 2112 includes a first adjustment groove 2112a and a second adjustment groove 2112b, the first adjustment groove 2112a is opened in the radial direction of the outer periphery of the housing 211, the second adjustment groove 2112b is opened in the height direction of the housing 211, and the second adjustment groove 2112b is communicated with the first adjustment groove 2112 a. The length of the first adjustment groove 2112a of the present embodiment may be designed according to actual requirements, for example, the length of the first adjustment groove 2112a is half of the circumference of the outer circumference of the housing 211. The second adjustment slot 2112b is perpendicular to the first adjustment slot 2112a, and may be in various forms such as a T-shape or a cross-shape. Thus, the adjustment grooves 2112 are provided in two, facilitating the tension adjustment of the housing 211 in two directions.
The adjustment groove 2112 is circular arc-shaped. Thus, the arcuate adjustment slot 2112 facilitates stretching and repositioning, facilitating easy stretching of the housing 211 during collapse.
A sound outlet 2113 is formed at one end of the housing 211, and the sound outlet 2113 is matched with the ear canal opening 11. Thus, the sound outlet 2113 facilitates the entry of sound emitted from the sound output element such as the speaker 22 into the human ear 1.
The housing 211 is an elastic housing 211. Therefore, the shell 211 of the invention is made of hard or soft materials such as silica gel which can contact with the skin of the human body, and the shell 211 made of silica gel materials is soft and easy to be attached to the inner wall of the auditory canal.
The deformation layer 212 of the present invention is made of a deformable hard or soft material for supporting and fixing the housing 211 so that the housing 211 maintains a desired form. The deformation layer 212 may be a wire mesh. Therefore, the wire mesh can support the housing 211, and can also deform in accordance with the deformation of the housing 211, so that the overall shape of the earphone shell 21 matches the shape of the ear canal of the user. The deformation layer 212 is shaped by external force such as being crushed or compressed, and can continue to maintain the deformed shape.
The invention provides an earphone shell 21 with a brand new structure, when in specific use, various parts are installed in the earphone shell 21 according to selected requirements, then the earphone shell 21 is lightly placed in the position of the concha cavity 12 of a human ear 1, the earphone shell 21 is kneaded by fingers to be matched with the shape of the concha cavity 12 of the user, meanwhile, the sound outlet 2113 is ensured to be aligned with the position of an external auditory meatus 11 behind an tragus, the whole earphone does not need to be inserted into an ear canal, and sound can be well transmitted into the human ear 1.
The earphone shell 21 of the invention can be adjusted to be very close to the shape of the concha cavity 12 of the human ear 1, and can be worn firmly. The earphone has the advantages that the earphone does not need to be inserted into an auditory canal, meanwhile, the ventilation function is achieved, foreign body feeling and stuffy feeling generated when the earphone is worn can be effectively reduced, and the earphone is worn for a long time. Moreover, the earphone shell 21 is placed in the concha cavity 12, which does not cause obvious sound energy loss, and can well maintain the tone quality of the output sound signal, thereby providing better listening experience for users.
The invention also discloses an earplug device 2.
The earplug apparatus 2 comprises the earphone shell 21, a speaker 22 and a control chip 23. The speaker 22 and the control chip 23 are disposed in the earphone housing 21 and located in the housing 2111, and the speaker 22 is electrically connected to the control chip 23 and corresponds to the sound outlet 2113 of the housing 211. The control chip 23 may be a DSP chip commonly used in the market.
The earplug device 2 further comprises a battery assembly 24, wherein the battery assembly 24 is mounted in the housing 2111 and electrically connected to the control chip 23 and the speaker 22. The battery assembly 24 may be a storage battery or a button cell, etc. commonly used in the market. Thus, the battery assembly 24 is used to power the components.
Therefore, the earplug device 2 of the invention applies the earphone shell 21, when in use, the earplug device can not be inserted into the ear canal, has high comfort, reduces foreign body feeling and stuffy feeling, can be worn firmly, has good stability, and can ensure good and ideal tone quality.
Fig. 9-10 schematically illustrate a hearing assistance device according to an embodiment of the present invention.
As shown in fig. 9 to 10, the hearing aid device includes the earplug apparatus 2 and further includes a main unit 3. The ear bud device 2 is wired or wirelessly connected to the host 3. The master 3 may be a control master 3 used in commercially available hearing aids.
As shown in fig. 9, the earplug apparatus 2 of the present embodiment is connected to the host 3 by a wire, and the specific connection manner may be that a controller in the host 3 is electrically connected to the control chip 23 of the earplug apparatus 2 by a wire.
Therefore, the hearing aid device of the present invention employs the earplug device 2, the host 3 can control the speaker 22 in the earplug device 2 to emit sound, and then the sound is transmitted into the ear 1 through the sound outlet 2113 on the earphone shell 21, so that the hearing aid device has high wearing comfort and listening quality.
Example 2
As shown in fig. 11, the structure of the earphone case 21 and the earplug apparatus 2 of the present embodiment is the same as that of embodiment 1, and the hearing aid device is basically the same as that of embodiment 1, except that: the hearing aid device of the present embodiment is connected to the earplug apparatus 2 in a wireless manner.
As shown in fig. 11, the control chip 23 of the present embodiment is provided with a bluetooth receiving module 231, the host 3 is provided with a bluetooth transmitting module 31, and the bluetooth transmitting module 31 is matched with the bluetooth receiving module 231. Therefore, the host 3 and the earplug device 2 are in wireless connection through Bluetooth, and the use is convenient.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (9)

1. The variable self-adaptive earphone shell is characterized by comprising a shell (211) matched with a concha cavity (12), wherein the shell (211) is provided with a shell cavity (2111), a deformation layer (212) is arranged in the shell cavity (2111), the deformation layer (212) is attached to the inside of the shell (211), the deformation layer (212) is used for supporting the shell (211), the deformation layer (212) can deform along with the deformation of the shell (211), and the outer wall of the shell (211) is provided with at least one adjusting groove (2112);
the adjusting groove (2112) comprises a first adjusting groove (2112a) and a second adjusting groove (2112b), the first adjusting groove (2112a) is formed along the radial direction of the periphery of the outer shell (211), the second adjusting groove (2112b) is formed along the height direction of the outer shell (211), and the second adjusting groove (2112b) is communicated with the first adjusting groove (2112 a).
2. The variable adaptive earphone house according to claim 1 wherein the adjustment slot (2112) is arc-shaped.
3. The variable adaptive earphone house according to claim 1, wherein an end of the outer housing (211) is opened with a sound outlet (2113), and the sound outlet (2113) is matched with the ear canal opening (11).
4. A variable adaptive headphone cover according to claim 1, characterized in that the housing (211) is an elastic housing (211).
5. The variable form adaptive earphone house according to claim 1 wherein the deformation layer (212) is a wire mesh.
6. An earplug apparatus, comprising the earphone housing (21) of any of claims 1-5, further comprising a speaker (22) and a control chip (23), wherein the speaker (22) and the control chip (23) are disposed in the earphone housing (21) and located in the housing cavity (2111), and the speaker (22) and the control chip (23) are electrically connected and correspond to the sound outlet (2113) of the housing (211).
7. The earplug apparatus of claim 6, further comprising a battery assembly (24), wherein the battery assembly (24) is mounted in the housing cavity (2111) and is electrically connected to both the control chip (23) and the speaker (22).
8. Hearing aid device comprising an earplug arrangement (2) according to claim 6, further comprising a host (3), the earplug arrangement (2) being in wired or wireless connection with the host (3).
9. The hearing aid device according to claim 8, wherein a bluetooth receiving module (231) is arranged in the control chip (23), a bluetooth transmitting module (31) is arranged in the host (3), and the bluetooth transmitting module (31) is matched with the bluetooth receiving module (231).
CN202010837404.1A 2020-08-19 2020-08-19 Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment Active CN111935582B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010837404.1A CN111935582B (en) 2020-08-19 2020-08-19 Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010837404.1A CN111935582B (en) 2020-08-19 2020-08-19 Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment

Publications (2)

Publication Number Publication Date
CN111935582A CN111935582A (en) 2020-11-13
CN111935582B true CN111935582B (en) 2022-08-02

Family

ID=73304811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010837404.1A Active CN111935582B (en) 2020-08-19 2020-08-19 Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment

Country Status (1)

Country Link
CN (1) CN111935582B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114979874B (en) * 2021-02-27 2023-11-10 华为技术有限公司 Earphone, earphone assembly and related method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204968071U (en) * 2015-09-21 2016-01-13 加一联创电子科技有限公司 Earphone
CN210351540U (en) * 2019-04-01 2020-04-17 广东华阳实业有限公司 Earplug cover of in-ear earphone
CN210868124U (en) * 2020-03-04 2020-06-26 江西立讯智造有限公司 Pleasant formula bluetooth headset that comfort level is good

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06343659A (en) * 1993-06-07 1994-12-20 Sankei Kk Filter of ear plug
US7984716B2 (en) * 2007-06-22 2011-07-26 Kimberly-Clark Worldwide Inc. Self-conforming sound attenuation earplug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204968071U (en) * 2015-09-21 2016-01-13 加一联创电子科技有限公司 Earphone
CN210351540U (en) * 2019-04-01 2020-04-17 广东华阳实业有限公司 Earplug cover of in-ear earphone
CN210868124U (en) * 2020-03-04 2020-06-26 江西立讯智造有限公司 Pleasant formula bluetooth headset that comfort level is good

Also Published As

Publication number Publication date
CN111935582A (en) 2020-11-13

Similar Documents

Publication Publication Date Title
JP4401396B2 (en) Sound output device
US7570777B1 (en) Earset assembly
JP2013211915A (en) Open-ear bone conduction hearing device
CN207968808U (en) Portable bone conduction earphone
CN115396771A (en) Bone conduction earphone pasted with ear and using method thereof
CN216357249U (en) TWS bone acoustic conduction earphone
CN111935582B (en) Variable self-adaptation earphone shell and use its earplug device, hearing-aid equipment
Hosoi Cartilage conduction hearing aids: the third pathway for sound transmission and its application
US11700478B2 (en) Headphone and multi-stage noise-cancellation earphone assembly
CN212544023U (en) Variable self-adaptation earphone shell
KR20190131704A (en) Glasses containing bone conduction bluetooth earphones
KR102210900B1 (en) Bone conduction headset
CN210868124U (en) Pleasant formula bluetooth headset that comfort level is good
CN210958749U (en) Automatic bluetooth headset of making an uproar that falls of pleasant formula
CN209767791U (en) bone conduction earphone
CN112492456A (en) Earphone with three-dimensional 4D sound effect scene
CN215871794U (en) Dual-purpose sound production device
CN220545143U (en) Hearing aid earphone combining superimposed sound waves
JPH1056698A (en) Electroacoustic transducer
CN218387836U (en) Shallow in-ear structure and earphone
CN216960136U (en) Bone conduction headset bluetooth headset
CN219227788U (en) 3D beats massage type earphone of printing
CN220210574U (en) Self-adaptive in-ear earphone shell and earphone and hearing aid equipment using same
CN111200768A (en) Bone conduction earphone capable of being positioned and explained
CN215871793U (en) Ear clip type earphone

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant