CN114205709A - Bone conduction earphone capable of preventing sound leakage - Google Patents
Bone conduction earphone capable of preventing sound leakage Download PDFInfo
- Publication number
- CN114205709A CN114205709A CN202111561546.0A CN202111561546A CN114205709A CN 114205709 A CN114205709 A CN 114205709A CN 202111561546 A CN202111561546 A CN 202111561546A CN 114205709 A CN114205709 A CN 114205709A
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- bone conduction
- conduction earphone
- vibrator
- sound
- side wall
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 177
- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/13—Hearing devices using bone conduction transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a sound leakage prevention bone conduction earphone which comprises a bone conduction earphone main body, wherein the bone conduction earphone main body is provided with an installation cavity for installing a bone conduction vibrator, the installation cavity is internally provided with the bone conduction vibrator, and the inner side wall of the installation cavity is convexly provided with a plurality of clamping parts which are arranged at intervals; the peripheral side wall of the bone conduction vibrator is limited by the clamping part, so that the peripheral side wall of the bone conduction vibrator does not directly contact the bone conduction earphone main body; the surface of one side of the bone conduction vibrator, which is back to the bone conduction earphone main body and is contacted with a human body, and the inner wall of the mounting cavity are arranged at intervals; borrow this, it has reduced the area of contact between the casing of bone conduction oscillator and bone conduction earphone main part to can reduce the vibration transmission of bone conduction oscillator to the casing of bone conduction earphone main part, so, can reduce sound and send from the casing vibration of bone conduction earphone main part, thereby reduce the hourglass of sound, with the purpose that reaches leak protection sound, in order to prevent that sound can not be obtained by the external world, also can not appear public occasion sound when possessing the security and leak and influence other people's phenomenon.
Description
Technical Field
The invention relates to the technical field of bone conduction earphones, in particular to a sound leakage prevention bone conduction earphone.
Background
The bone conduction earphone converts the electric signal into a vibration signal, and directly conducts sound wave to the auditory nerve of the brain by contacting with the skin and the bone of a human body and taking solid (non-air) as a medium; it prevents the headset from picking up unwanted noise, such as wind, which can make the sound clear. However, the existing bone conduction earphone comprises a shell and a bone conduction vibrator installed in the shell, wherein the bone conduction vibrator is in large-area contact with the shell, when the bone conduction earphone is used, the large-area contact between the bone conduction vibrator and the shell can cause the vibration transmission of the bone conduction vibrator to the shell to be overlarge, so that the shell obtains a large amount of vibration capacity, a large amount of sound is emitted from the shell in a vibration mode, sound leakage is caused, the sound can be obtained by the outside, confidentiality cannot be guaranteed, and the sound leakage influences other people in public places, therefore, some bone conduction earphones suspend the bone conduction vibrator in the air in the shell through a suspension bracket, but the phenomenon that the bone conduction vibrator suspends in the air to weaken the vibration of the bone conduction vibrator during operation can occur, meanwhile, the suspension bracket suspends the bone conduction vibrator to be incapable of stably fixing the bone conduction vibrator, the phenomenon that the bone conduction vibrator shakes to cause badness easily occurs, and the suspension structure of the bone conduction vibrator is complicated, resulting in high difficulty of assembly and manufacture and high design cost.
Therefore, a new technical solution needs to be developed to solve the above problems.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a sound leakage preventing bone conduction earphone, which reduces the contact area between a bone conduction vibrator and a housing of a bone conduction earphone main body, thereby reducing the vibration transmission of the bone conduction vibrator to the housing of the bone conduction earphone main body, so as to reduce the sound emitted from the housing of the bone conduction earphone main body, thereby reducing the sound leakage, so as to achieve the purpose of sound leakage prevention, thereby preventing the sound from being obtained from the outside, preventing the sound leakage in public places from affecting others, preventing the bone conduction vibrator from hanging to weaken the vibration of the bone conduction vibrator during operation, more stably clamping and fixing the bone conduction vibrator, and preventing the bone conduction vibrator from shaking to cause undesirable phenomena.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sound-leakage-preventing bone conduction earphone comprises a bone conduction earphone body, wherein the bone conduction earphone body is provided with an installation cavity for installing a bone conduction vibrator, the bone conduction vibrator is arranged in the installation cavity, and a plurality of clamping parts which are arranged at intervals are convexly arranged on the inner side wall of the installation cavity; the peripheral side wall of the bone conduction vibrator is limited by the clamping part, so that the peripheral side wall of the bone conduction vibrator does not directly contact the bone conduction earphone main body; the bone conduction vibrator is arranged at an interval between the surface of one side of the bone conduction earphone main body, which is in contact with a human body, and the inner wall of the mounting cavity.
Preferably, the clamping portion extends in an axial direction of the mounting cavity.
As a preferred scheme, a plurality of clamping parts are sequentially arranged at intervals in an annular mode along the inner side wall of the installation cavity.
As a preferred scheme, the clamping part is the fin, the protruding surface of locating the inside wall of installation cavity of fin integrated into one piece, the fin is provided with the clamping face towards center one side of installation cavity, the periphery lateral wall of bone conduction oscillator is subject to the clamping face.
Preferably, the front surface of the convex rib is spaced from the top of the mounting cavity, and the back surface of the convex rib extends to the bottom of the mounting cavity.
Preferably, the front surface of the protruding rib is formed with a guiding inclined surface extending from outside to inside in an inclined and downward manner.
As a preferred scheme, the bone conduction earphone main body is provided with a first surface which is in contact with a human body and a second surface which is opposite to the first surface, and the back surface of the bone conduction vibrator and the inner side wall of the installation cavity at one side of the second surface of the bone conduction earphone main body are arranged at intervals.
Preferably, the front surface of the bone conduction vibrator is in contact with the inner side wall of the side where the first surface of the bone conduction earphone body is located.
As a preferred scheme, bone conduction earphone main part includes casing and gum cover, the installation cavity is formed on the casing, the front of casing has the opening that link up the installation cavity, the gum cover covers in the opening part, interval arrangement between the reverse side of bone conduction oscillator and the inner bottom wall of casing, the front of bone conduction oscillator contacts with the interior top surface of gum cover.
Preferably, the first surface is formed on a side of the rubber sleeve facing away from the housing, and the second surface is formed on a side of the housing facing away from the rubber sleeve.
Compared with the prior art, the bone conduction earphone has obvious advantages and beneficial effects, and concretely, according to the technical scheme, the bone conduction earphone mainly comprises the steps that a plurality of clamping parts which are arranged at intervals are convexly arranged on the inner side wall of the installation cavity, the peripheral side wall of the bone conduction vibrator is limited by the clamping parts, so that the peripheral side wall of the bone conduction vibrator is not directly contacted with the bone conduction earphone main body, and the surface of the bone conduction vibrator back to the side, which is contacted with a human body, of the bone conduction earphone main body is arranged at intervals with the inner wall of the installation cavity, so that the side surface of the bone conduction vibrator is not directly contacted with the shell of the bone conduction earphone main body, the back surface of the bone conduction vibrator is not contacted with the shell of the bone conduction earphone main body, the contact area between the bone conduction vibrator and the shell of the bone conduction earphone main body is reduced, the vibration transmission of the bone conduction vibrator to the shell of the bone conduction earphone main body is reduced, and the vibration of sound emitted from the shell of the bone conduction earphone main body is reduced, thereby the outer hourglass of sound has been reduced, in order to reach the purpose of leak protection sound, in order to prevent that sound can not be obtained by the external world, public occasion sound can not appear also when possessing the security and leak and influence other people's phenomenon, and, the unsettled phenomenon that leads to weakening the vibration of bone conduction oscillator during operation of bone conduction oscillator can not appear, the fixed bone conduction oscillator of centre gripping more firmly can be simultaneously, the bone conduction oscillator of can not appearing rocks and causes bad phenomenon, and structural design is simple, ingenious, it is reasonable, the equipment preparation degree of difficulty and design cost have been reduced.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of the overall structure of an embodiment of the present invention;
FIG. 2 is a perspective view of another embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is another exploded view of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an embodiment of the present invention.
The attached drawings indicate the following:
10. bone conduction earphone main body 11 and installation cavity
12. First surface 13, second surface
14. Casing 15, gum cover
151. Annular cladding part 20 and bone conduction vibrator
30. Spacing 40, ribs
41. A clamping surface 42, a guide ramp.
Detailed Description
Referring to fig. 1 to 5, specific structures of embodiments of the present invention are shown.
A bone conduction earphone for preventing sound leakage comprises a bone conduction earphone main body 10, wherein the bone conduction earphone main body 10 is provided with a mounting cavity 11 for mounting a bone conduction vibrator 20, the bone conduction vibrator 20 is arranged in the mounting cavity 11, and a plurality of clamping parts which are arranged at intervals are convexly arranged on the inner side wall of the mounting cavity 11; the outer peripheral side wall of the bone conduction vibrator 20 is limited to the clamping part so that the outer peripheral side wall of the bone conduction vibrator 20 does not directly contact the bone conduction earphone main body 10; the bone conduction vibrator 20 is arranged at a distance 30 between the surface of the side, which is opposite to the bone conduction earphone main body 10 and is contacted with the human body, and the inner wall of the mounting cavity 11; therefore, the side surface of the bone conduction vibrator 20 is not directly contacted with the bone conduction earphone main body 10, the reverse surface of the bone conduction vibrator 20 is not contacted with the bone conduction earphone main body 10, so that the contact area between the bone conduction vibrator 20 and the bone conduction earphone main body 10 is reduced, the vibration transmission of the bone conduction vibrator 20 to the bone conduction earphone main body 10 can be reduced, the vibration of sound emitted from the bone conduction earphone main body 10 can be reduced, the leakage of sound is reduced, the purpose of sound leakage prevention is achieved, the sound is prevented from being obtained by the outside, the phenomenon that the sound leaks outside in public places to influence other people can be avoided while confidentiality is achieved, the phenomenon that the bone conduction vibrator 20 is suspended to weaken the vibration of the bone conduction vibrator 20 during working can be avoided, the bone conduction vibrator 20 can be clamped and fixed more stably, and the phenomenon that the bone conduction vibrator 20 shakes to cause badness can be avoided.
Preferably, in the present embodiment, as shown in fig. 4, the mounting cavity 11 is a cylindrical structure, and the clamping portion extends along the axial direction of the mounting cavity 11. The plurality of clamping parts are sequentially arranged at intervals in an annular mode along the inner side wall of the mounting cavity 11, so that the plurality of clamping parts can be respectively clamped and fixed on the peripheral side wall of the bone conduction vibrator 20, and the bone conduction vibrator 20 can be stably clamped. The clamping part is convex rib 40, the convex rib 40 integrated into one piece protruding surface of locating the inside wall of installation cavity 11, convex rib 40 is provided with clamping face 41 towards center one side of installation cavity 11, the periphery lateral wall of bone conduction oscillator 20 is restricted by clamping face 41. The front surface of the convex rib 40 is formed with a guiding inclined plane 42 extending from outside to inside obliquely and downwards, and the smooth installation of the bone conduction vibrator 20 can be facilitated through the arrangement of the guiding inclined plane 42. The interval is left with the top of installation cavity 11 in the front of fin 40, the reverse side of fin 40 extends to the bottom of installation cavity 11, so, leaves the interval through the front of fin 40 and the top of installation cavity 11, and the area of contact of reducible fin 40 and installation cavity 11 lateral wall to further reduce the area of contact of the side of bone conduction oscillator 20 and bone conduction earphone main part 10, can further reduce the hourglass of sound.
Preferably, in this embodiment, the bone conduction earphone body 10 has a first surface 12 contacting with the human body and a second surface 13 opposite to the first surface 12, and the back surface of the bone conduction vibrator 20 is spaced from the inner side wall 30 of the mounting cavity 11 on the side of the second surface 13 of the bone conduction earphone body 10. The front surface of the bone conduction vibrator 20 is in contact with the inner side wall of one side of the first surface 12 of the bone conduction earphone main body 10, so that the front surface of the bone conduction vibrator 20 is in contact with the rubber sleeve 15 and then in contact with the cartilage of a human face, and the purpose of bone conduction is achieved.
Preferably, in this embodiment, the bone conduction earphone main body 10 includes a housing 14 and a rubber sleeve 15, the mounting cavity 11 is formed on the housing 14, an opening penetrating through the mounting cavity 11 is formed on the front surface of the housing 14, the rubber sleeve 15 covers the opening, a distance 30 is arranged between the reverse surface of the bone conduction vibrator 20 and the inner bottom wall surface of the housing 14, and the front surface of the bone conduction vibrator 20 is in contact with the inner top surface of the rubber sleeve 15; the first surface 12 is formed on a side of the rubber sleeve 15 facing away from the housing 14, and the second surface 13 is formed on a side of the housing 14 facing away from the rubber sleeve 15.
Preferably, in this embodiment, six protruding ribs 40 are provided, and six protruding ribs 40 are sequentially arranged on the inner side wall of the housing 14 at intervals along the ring shape, of course, the number of the protruding ribs 40 is not limited to the above number, and other numbers of the protruding ribs 40 may also be provided, which is not described herein. In addition, the clamping part can also be a cylindrical convex column or an arc convex part, and only the requirement that the bone conduction vibrator 20 can be clamped by the clamping part is met.
Preferably, in this embodiment, the rubber sleeve 15 is convexly provided with an annular coating portion 151 on a side facing the housing 14, and the annular coating portion 151 is coated on the peripheral sidewall of the bone conduction vibrator 20, so that the annular coating portion 151 is coated on the peripheral sidewall of the bone conduction vibrator 20, which can increase the contact area between the bone conduction vibrator 20 and the rubber sleeve 15, thereby improving the vibration transmission of the bone conduction vibrator 20 to the rubber sleeve 15, so that when the first surface 12 of the rubber sleeve 15 is directly contacted with the human body, the vibration energy can be almost completely released, the sound definition and quality are improved, and the hearing effect of the user is improved.
In summary, the design of the present invention is characterized in that a plurality of clamping portions are protruded from the inner side wall of the mounting cavity, and the outer side wall of the bone conduction vibrator is limited by the clamping portions, so that the outer side wall of the bone conduction vibrator does not directly contact the bone conduction earphone main body, and the surface of the bone conduction vibrator facing away from the side where the bone conduction earphone main body contacts with the human body is spaced from the inner wall of the mounting cavity, so that the side surface of the bone conduction vibrator does not directly contact the housing of the bone conduction earphone main body, and the reverse surface of the bone conduction vibrator does not contact the housing of the bone conduction earphone main body, thereby reducing the contact area between the bone conduction vibrator and the housing of the bone conduction earphone main body, and thus reducing the vibration transmission of the bone conduction vibrator to the housing of the bone conduction earphone main body, and thus reducing the vibration emission of sound from the housing of the bone conduction earphone main body, and reducing the external leakage of sound, so as to achieve the purpose of sound leakage prevention, in order to prevent that sound can not be obtained by the external world, also can not appear public occasion sound when possessing the security and leak and influence other people's phenomenon to and, the unsettled phenomenon that leads to weakening the vibration of bone conduction oscillator during operation of can not appear bone conduction oscillator, can more firmly the fixed bone conduction oscillator of centre gripping simultaneously, the bone conduction oscillator of can not appearing rocks and causes bad phenomenon, and structural design is simple, ingenious, reasonable, has reduced equipment preparation degree of difficulty and design cost.
Claims (10)
1. The utility model provides a leak protection sound bone conduction earphone which characterized in that: the bone conduction earphone comprises a bone conduction earphone body, wherein the bone conduction earphone body is provided with a mounting cavity for mounting a bone conduction vibrator, the bone conduction vibrator is arranged in the mounting cavity, and a plurality of clamping parts which are arranged at intervals are convexly arranged on the inner side wall of the mounting cavity; the peripheral side wall of the bone conduction vibrator is limited by the clamping part, so that the peripheral side wall of the bone conduction vibrator does not directly contact the bone conduction earphone main body; the bone conduction vibrator is arranged at an interval between the surface of one side of the bone conduction earphone main body, which is in contact with a human body, and the inner wall of the mounting cavity.
2. The sound leakage preventing bone conduction earphone according to claim 1, wherein: the clamping portion extends in the axial direction of the mounting cavity.
3. The sound leakage preventing bone conduction earphone according to claim 1, wherein: the clamping parts are sequentially arranged at intervals in an annular mode along the inner side wall of the installation cavity.
4. The sound leakage preventing bone conduction earphone according to claim 1, wherein: the clamping part is a convex rib, the convex rib is integrally formed and is arranged on the surface of the inner side wall of the installation cavity in a protruding mode, a clamping surface is arranged on the convex rib towards one side of the center of the installation cavity, and the peripheral side wall of the bone conduction vibrator is limited by the clamping surface.
5. The sound leakage preventing bone conduction earphone according to claim 4, wherein: the front of fin leaves the interval with the top of installation cavity, the reverse side of fin extends to the bottom of installation cavity.
6. The sound leakage preventing bone conduction earphone according to claim 4, wherein: the front surface of the convex rib is provided with a guide inclined surface which extends downwards from outside to inside in an inclined way.
7. The sound leakage preventing bone conduction earphone according to claim 1, wherein: the bone conduction earphone body is provided with a first surface which is in contact with a human body and a second surface which is opposite to the first surface, and the back surface of the bone conduction vibrator and the inner side wall of the mounting cavity on one side where the second surface of the bone conduction earphone body is located are arranged at intervals.
8. The sound leakage preventing bone conduction earphone according to claim 7, wherein: the front surface of the bone conduction vibrator is in contact with the inner side wall of one side where the first surface of the bone conduction earphone body is located.
9. The sound leakage preventing bone conduction earphone according to claim 8, wherein: the bone conduction earphone main body comprises a shell and a rubber sleeve, wherein the mounting cavity is formed in the shell, an opening penetrating through the mounting cavity is formed in the front of the shell, the rubber sleeve covers the opening, the interval between the reverse side of the bone conduction vibrator and the inner bottom wall surface of the shell is arranged, and the front side of the bone conduction vibrator is in contact with the inner top surface of the rubber sleeve.
10. The sound leakage preventing bone conduction earphone according to claim 9, wherein: the first surface is formed on one side of the rubber sleeve, which is back to the shell, and the second surface is formed on one side of the shell, which is back to the rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111561546.0A CN114205709A (en) | 2021-12-20 | 2021-12-20 | Bone conduction earphone capable of preventing sound leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111561546.0A CN114205709A (en) | 2021-12-20 | 2021-12-20 | Bone conduction earphone capable of preventing sound leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114205709A true CN114205709A (en) | 2022-03-18 |
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ID=80655401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111561546.0A Pending CN114205709A (en) | 2021-12-20 | 2021-12-20 | Bone conduction earphone capable of preventing sound leakage |
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| Country | Link |
|---|---|
| CN (1) | CN114205709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115209303A (en) * | 2022-08-26 | 2022-10-18 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204031402U (en) * | 2014-06-18 | 2014-12-17 | 苏州佑克骨传导科技有限公司 | For the protective sleeve of osteoacusis shake |
| CN207783077U (en) * | 2017-12-21 | 2018-08-28 | 中山市天键通讯技术有限公司 | The piezoelectric type osophone structure and piezoelectric type osophone of leakproof sound |
| CN208798151U (en) * | 2018-07-24 | 2019-04-26 | 张�浩 | It is anti-to let out sound bone conduction earphone |
| CN109831716A (en) * | 2019-04-10 | 2019-05-31 | 深圳湃声声学科技有限公司 | A kind of bone-conduction speaker |
| CN216905237U (en) * | 2021-12-20 | 2022-07-05 | 深圳市开宝声学科技有限公司 | Bone conduction earphone capable of preventing sound leakage |
-
2021
- 2021-12-20 CN CN202111561546.0A patent/CN114205709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204031402U (en) * | 2014-06-18 | 2014-12-17 | 苏州佑克骨传导科技有限公司 | For the protective sleeve of osteoacusis shake |
| CN207783077U (en) * | 2017-12-21 | 2018-08-28 | 中山市天键通讯技术有限公司 | The piezoelectric type osophone structure and piezoelectric type osophone of leakproof sound |
| CN208798151U (en) * | 2018-07-24 | 2019-04-26 | 张�浩 | It is anti-to let out sound bone conduction earphone |
| CN109831716A (en) * | 2019-04-10 | 2019-05-31 | 深圳湃声声学科技有限公司 | A kind of bone-conduction speaker |
| CN216905237U (en) * | 2021-12-20 | 2022-07-05 | 深圳市开宝声学科技有限公司 | Bone conduction earphone capable of preventing sound leakage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115209303A (en) * | 2022-08-26 | 2022-10-18 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
| CN115209303B (en) * | 2022-08-26 | 2024-05-17 | 惠州市大康科技有限公司 | Bone conduction earphone and manufacturing method thereof |
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