CN116614738B - Bone conduction microphone and bone conduction microphone assembly - Google Patents
Bone conduction microphone and bone conduction microphone assembly Download PDFInfo
- Publication number
- CN116614738B CN116614738B CN202310897015.1A CN202310897015A CN116614738B CN 116614738 B CN116614738 B CN 116614738B CN 202310897015 A CN202310897015 A CN 202310897015A CN 116614738 B CN116614738 B CN 116614738B
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- microphone
- bone conduction
- conduction microphone
- disposed
- housing
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000013016 damping Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a bone conduction microphone and a bone conduction microphone assembly, wherein the bone conduction microphone comprises a shell and a pickup assembly arranged on one side of a mounting seat, and the pickup assembly comprises a first microphone and a second microphone which are respectively positioned in a first sealing cavity and a second sealing cavity, and a differential circuit module connected with the first microphone and the second microphone. Through adopting the microphone as the adapter, relative piezoceramics piece has better tone quality, through at the inside gasbag that forms of casing, first microphone is used for picking up vibration voice signal and air noise, the second microphone only is used for acquireing air noise, restrain common mode signal through differential circuit module, reduce air noise promptly, and strengthen differential mode signal, the vibration signal that the reinforcing gasbag obtained promptly exports, reach bone conduction pickup and fall the noise function, promote bone conduction microphone's definition and noise reduction performance, and this bone conduction microphone simple structure is small, facilitate the use.
Description
Technical Field
The invention relates to the technical field of microphones, in particular to a bone conduction microphone and a bone conduction microphone assembly.
Background
The microphone mainly comprises a bone conduction microphone and an air conduction microphone, wherein the air conduction microphone is generally arranged at the mouth edge and is used for transmitting through air conduction; bone conduction transmitters are generally mounted on the top of the head, cheek, ear, etc., and pick up sounds transmitted by vibration of bones for transmission.
In the prior art, the bone conduction microphone is not easily affected by environmental noise because the bone conduction microphone only picks up the vibration transmission sound of bones, and compared with the air conduction microphone, the bone conduction microphone has larger volume, and the piezoelectric ceramic plate is generally adopted as a pickup, so that the sound quality is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a bone conduction microphone and a bone conduction microphone assembly, and aims to solve the technical problems that the bone conduction microphone in the prior art is large in general volume, and a piezoelectric ceramic piece is generally adopted as a pickup, so that the sound quality is poor.
In order to achieve the above object, the present invention is achieved by the following technical scheme: the utility model provides a bone conduction microphone, includes the casing, locates mount pad on one side of the shells inner wall, and locates pickup subassembly on one side of the mount pad, the mount pad with be equipped with first sealing member between the casing, the casing is including being located respectively first sealed chamber and the second sealed chamber of first sealing member both sides, pickup subassembly is including being located respectively first sealed chamber with first microphone and the second microphone in the second sealed chamber, the mount pad is close to first microphone with one side of second microphone all is equipped with the sound pressure balance hole, the casing still includes and is located the elastic contact portion of first sealed chamber one side, pickup subassembly still including locating the second sealing member of elastic contact portion one side, the second sealing member is close to first microphone sets up, bone conduction microphone still includes the connection first microphone with the differential circuit module of second microphone.
Compared with the prior art, the invention has the beneficial effects that: through setting up the casing, be equipped with the mount pad in the casing, mount pad one side is equipped with the pickup subassembly, be equipped with first sealing member between mount pad and the casing, the casing includes the first sealed chamber and the second sealed chamber that are located first sealing member both sides in decibel, the pickup subassembly is including being located microphone and the second microphone in first sealed chamber and the second sealed chamber respectively, through adopting the microphone as the pickup, relative piezoceramics piece has better tone quality, simultaneously be close to first microphone and the side of second microphone at the mount pad all is equipped with the acoustic pressure balance hole for balancing the air noise in two sealed chambers, make the air noise that two microphones obtained close, the casing includes the elastic contact portion that is located first sealed chamber one side simultaneously, the pickup subassembly is still including locating the second sealing member of elastic contact portion one side, the second sealing member is close to first microphone setting, the elastic contact part is surrounded by the second sealing element to form a contact air bag, when in use, the elastic contact part is contacted with the throat or the cheek to pick up voice signals, namely the first microphone is used for picking up vibration signals and air noise transferred to the air bag from the surface of skin, the bone conduction microphone further comprises a differential circuit module connected with the first microphone and the second microphone, as the second microphone is only used for acquiring the air noise, and the air noise acquired by the two microphones is similar, the differential circuit module is used for inhibiting the common mode signals, namely reducing the air noise, enhancing the differential mode signals, namely enhancing the vibration signals acquired by the air bag to output, achieving the functions of bone conduction pickup and noise reduction, greatly improving the definition and the noise reduction performance of the bone conduction microphone, and the bone conduction microphone has small volume and can be assembled on the face and the throat, is convenient to use.
According to one aspect of the above technical scheme, the mounting seat is provided with a mounting step on one side close to the elastic contact portion, the second sealing member comprises a damping film arranged on the mounting step, a partition plate is arranged between the damping film and the mounting step, and a sound transmission hole is formed in the middle of the partition plate.
According to an aspect of the above technical solution, the diameter of the sound-transmitting hole is not greater than 1mm.
According to an aspect of the above technical solution, the material of the housing is silica gel, and the elastic contact portion includes a protruding portion located at one end of the housing.
According to an aspect of the above technical solution, the bone conduction microphone further includes a circuit assembly, the circuit assembly includes a wiring board disposed in the middle of the housing, and a circuit board disposed on one side of the wiring board, the differential circuit module is disposed on the circuit board, and the first microphone and the second microphone are respectively disposed on two opposite sides of the wiring board.
According to an aspect of the above technical scheme, the first sealing member includes a sealing pad disposed at one side of the bottom of the mounting seat, and an avoidance hole disposed corresponding to the wiring board is formed in the middle of the sealing pad.
According to an aspect of the foregoing technical solution, the first microphone and the second microphone are air-conduction microphones.
According to an aspect of the foregoing technical solution, the bone conduction microphone further includes a filter circuit module disposed at one side of the first microphone.
On the other hand, the invention also provides a bone conduction microphone assembly, which comprises the bone conduction microphone in the technical scheme, and the bone conduction microphone assembly also comprises a fixing assembly arranged on one side of the shell and a connecting wire arranged on one side of the bone conduction microphone.
According to an aspect of the above technical solution, the fixing component includes a housing sleeved on one side of the bone conduction microphone, an opening corresponding to the elastic contact portion is formed in the housing, and the fixing component further includes a fixing piece disposed on one side of the housing, and quick-connection buckles disposed on two sides of the fixing piece.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic diagram showing a bone conduction microphone according to a first embodiment of the present invention;
fig. 2 is a schematic diagram showing an assembled structure of a bone conduction microphone according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a mounting base according to a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a bone conduction microphone according to a first embodiment of the present invention;
FIG. 5 is a block diagram showing a circuit signal processing procedure of a bone conduction microphone according to a first embodiment of the present invention;
fig. 6 is a schematic structural view of a bone conduction microphone assembly according to a second embodiment of the present invention;
the housing 10, the elastic contact portion 10a, the circuit board 11, the wiring board 12, the first microphone 13, the second microphone 14, the gasket 15, the mount 16, the sound pressure balance hole 17, the partition 18, the sound transmission hole 19, the damping film 20, the mount step 16a, the sealing portion 16b, the first sealing chamber 21, the second sealing chamber 22, the quick-coupling buckle 31, the fixture 32, the bone conduction microphone 33, and the connection wire 34.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Various embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a bone conduction microphone according to a first embodiment of the present invention is shown, including a housing 10, a mounting seat 16 disposed on one side of an inner wall of the housing 10, and a sound pickup assembly disposed on one side of the mounting seat 16, wherein a first sealing member is disposed between the mounting seat 16 and the housing 10, the housing 10 includes a first sealing chamber 21 and a second sealing chamber 22 disposed on two sides of the first sealing member, respectively, the sound pickup assembly includes a first microphone 13 and a second microphone 14 disposed in the first sealing chamber 21 and the second sealing chamber 22, respectively, a sound pressure balance hole 17 is disposed on one side of the mounting seat 16 adjacent to the first microphone 13 and the second microphone 14, the housing 10 includes an elastic contact portion disposed on one side of the first sealing chamber 21, and the second sealing member is disposed adjacent to the first microphone 13, and the bone conduction microphone further includes a differential circuit module 13 and a second microphone 14.
Specifically, in the bone conduction microphone of this embodiment, by providing the housing 10, the housing 10 is provided with the mounting seat 16, one side of the mounting seat 16 is provided with the sound pickup assembly, a first sealing member is provided between the mounting seat 16 and the housing 10, the housing 10 includes a first sealing cavity 21 and a second sealing cavity 22 which are located at two sides of the first sealing member in a decibel manner, the sound pickup assembly includes a first microphone 13 and a second microphone 14 which are located in the first sealing cavity 21 and the second sealing cavity 22 respectively, by adopting the microphones as the sound pickup, the relative piezoelectric ceramic plate has better sound quality, meanwhile, one side of the mounting seat 16 close to the first microphone 13 and the second microphone 14 is provided with the sound pressure balancing hole 17 for balancing the air noise in the two sealing cavities, so that the air noise acquired by the two microphones is similar, meanwhile, the housing 10 includes the elastic contact part located at one side of the first sealing cavity 21, the pickup assembly further comprises a second sealing member arranged at one side of the elastic contact part, the second sealing member is arranged close to the first microphone 13, the elastic contact part is surrounded by the second sealing member to form a contact air bag, when the pickup assembly is used, the elastic contact part contacts with the throat or cheek part to pick up voice signals, namely the first microphone 13 is used for picking up vibration signals and air noises transmitted to the air bag from the skin surface, the bone conduction microphone further comprises a differential circuit module connected with the first microphone 13 and the second microphone 14, as the second microphone 14 is only used for acquiring the air noises, and the air noises acquired by the two microphones are similar, the differential circuit module is used for restraining the common mode signals, namely reducing the air noises, enhancing the differential mode signals, namely enhancing the vibration signals acquired by the air bag, outputting the vibration signals, achieving the functions of bone conduction pickup and noise reduction, the bone conduction microphone has the advantages that the definition and the noise reduction performance of the bone conduction microphone can be greatly improved, the bone conduction microphone is small in size, and the bone conduction microphone can be assembled on the face and the throat to pick up sound, so that the bone conduction microphone is convenient to use.
Preferably, in this embodiment, the mounting seat 16 is provided with a mounting step 16a near the side of the elastic contact portion, the second sealing member includes a damping film 20 disposed on the mounting step 16a, a partition 18 is disposed between the damping film 20 and the mounting step 16a, and an acoustic hole 19 is formed in the middle of the partition 18. Specifically, by providing the partition 18 and providing the sound-transmitting hole 19 on the partition 18, the sound-transmitting hole 19 is provided with the damping film 20 for adjusting the sound pressure transmitted from the air pressure in the air bag to the pickup microphone so as to adjust the microphone frequency response curve. Preferably, in the present embodiment, the diameter of the sound-transmitting hole 19 is not greater than 1mm.
Preferably, in this embodiment, the material of the housing 10 is silica gel, and the elastic contact portion includes a protruding portion located at one end of the housing 10. Through adopting flexible silica gel shell design, through setting up the second sealing member at the inside gasbag that forms of casing 10 simultaneously to adopt the microphone as pickup unit, the volume of microphone can accomplish very little, and the silica gel piece can direct contact skin, and the convenient assembly is at facial pickup, and sensitivity is higher, and the voice definition is better.
Specifically, in this embodiment, the bone conduction microphone further includes a circuit assembly, the circuit assembly includes a wiring board 12 disposed in the middle of the housing 10, and a circuit board 11 disposed on one side of the wiring board 12, the differential circuit module is disposed on the circuit board 11, and the first microphone 13 and the second microphone 14 are respectively disposed on two opposite sides of the wiring board 12.
Further, in this embodiment, the first sealing member includes a sealing pad 15 disposed at one side of the bottom of the mounting seat 16, and an avoidance hole disposed in the middle of the sealing pad 15 and corresponding to the wiring board 12 is provided. Preferably, in this embodiment, the housing 10 is disposed in an "n" shape, the circuit board 11 is disposed at a side of the housing 10 away from the elastic contact portion, that is, at an opening of the "n" shape, the wiring board 12 is vertically disposed above a middle portion of the circuit board 11, the first microphone 13 and the second microphone 14 are respectively disposed at two sides of the wiring board 12, a sealing pad 15 is disposed at one end of the wiring board 12 near the circuit board 11, a vent hole corresponding to the wiring board 12 is disposed at the middle portion of the sealing pad 15, an outer edge of the sealing pad 15 is connected to an inner wall of the housing 10, one end of the mounting seat 16 extends toward one side of the wiring board 12 to form a sealing portion 16b, the wiring board 12, the sealing pad 15 and the housing 10 enclose to form the second sealing cavity 22, the damping film 20, the mounting seat 16, the sealing pad 15 and the wiring board 12 enclose to form the first sealing cavity 21.
Specifically, the first microphone 13 and the second microphone 14 are air-conduction microphones, and in order to ensure the noise reduction effect of the differential circuit module, in this embodiment, the positions of the first microphone 13 and the second microphone 14 in the housing 10 are symmetrically arranged, and the specification models of the two microphones are the same.
Further, in this embodiment, the bone conduction microphone further includes a filter circuit module disposed on one side of the first microphone 13. In some application scenarios of the present embodiment, as shown in fig. 5, a circuit signal processing flow diagram of the bone conduction microphone is shown, and a filter circuit is disposed on one side of the first microphone 13 to adjust an ambient noise signal at the first microphone 13 to be consistent with that of the second microphone 14, so as to facilitate the subsequent noise reduction processing by a differential circuit, and improve the voice clarity.
In summary, the bone conduction microphone in the above embodiment of the present invention adopts the air bag to conduct voice signals, the microphone picks up, the sensitivity is higher, the voice definition is better, the first microphone 13 and the second microphone 14 are symmetrically distributed at the assembling position, the picked up ambient noise is basically the same through the sound pressure balance hole 17 formed on the mounting seat 16, the picked up ambient noise is mutually counteracted through the differential circuit, the ambient noise can be effectively reduced, the outside of the microphone is entirely covered by the silica gel piece, and the air bag is formed inside, the first microphone 13 is connected with the air bag, the air bag contacts the human body, the vibration of the human body when picking up and speaking is transferred to the second microphone 14, the reference microphone is not connected with the air bag, so that the signal is not received, the signal difference is formed, the differential circuit counteracts the same signal, and amplifies different signals, so that the voice signal can be amplified under the condition of effectively reducing the ambient noise, through designing the sound transmission hole 19 with the diameter not more than 1mm between the air bag and the first microphone 13, the membrane 20 is arranged on the hole, the air bag is used for adjusting the air pressure curve inside the microphone, and the microphone is directly contacted with the air bag as the microphone, and the air pressure is conveniently mounted on the microphone.
Referring to fig. 6, a bone conduction microphone assembly according to a second embodiment of the present invention is shown, which includes the bone conduction microphone 33 of the above embodiment, the bone conduction microphone assembly further includes a fixing member disposed on one side of the housing, and a connecting wire 34 disposed on one side of the bone conduction microphone.
Specifically, in this embodiment, the fixing assembly includes a housing sleeved on one side of the bone conduction microphone 33, an opening corresponding to the elastic contact portion is formed in the housing, and the fixing assembly further includes a fixing member 32 disposed on one side of the housing, and quick-connection buckles 31 disposed on two sides of the fixing member 32. The bone conduction microphone 33 is mounted on the cheek or neck of the user through the snap fastener 31 and the fixing member 32, and outputs a voice signal through the connection wire 34 connected to the circuit board 11.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that various modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the present invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a bone conduction microphone, its characterized in that includes the casing, locates mount pad on one side of the shells inner wall, and locates pickup subassembly on one side of the mount pad, the mount pad with be equipped with first sealing member between the casing, the casing is including being located respectively first sealing chamber and the second sealing chamber of first sealing member both sides, pickup subassembly is including being located respectively first sealing chamber with first microphone and the second microphone in the second sealing chamber, the mount pad is close to first microphone with one side of second microphone all is equipped with the sound pressure balance hole, the casing is still including being located the elastic contact portion on one side of first sealing chamber, pickup subassembly is still including locating the second sealing member on one side of elastic contact portion, the second sealing member is close to first microphone sets up, the bone conduction microphone is still including being connected first microphone reaches the differential circuit module of second microphone, the mount pad is close to one side of elastic contact portion is equipped with the installation step, the second microphone is equipped with the second seal and is equipped with the air-permeable damping membrane, and is equipped with the air-permeable to install the baffle.
2. The bone conduction microphone of claim 1, wherein the diameter of the sound-transmitting aperture is no greater than 1mm.
3. The bone conduction microphone according to claim 1, wherein the housing is made of silicone, and the elastic contact portion includes a protruding portion at one end of the housing.
4. The bone conduction microphone according to claim 1, further comprising a circuit assembly including a wiring board disposed in a middle portion of the housing and a circuit board disposed on one side of the wiring board, wherein the differential circuit module is disposed on the circuit board, and wherein the first microphone and the second microphone are disposed on opposite sides of the wiring board, respectively.
5. The bone conduction microphone according to claim 4, wherein the first sealing member includes a gasket provided at a side of a bottom of the mount, and a relief hole provided in a middle portion of the gasket in correspondence with the terminal plate.
6. The bone conduction microphone of claim 1, further comprising a filter circuit module disposed on a side of the first microphone.
7. A bone conduction microphone assembly comprising a bone conduction microphone according to any one of claims 1-6, the bone conduction microphone assembly further comprising a fixation assembly disposed on one side of the housing, and a connecting wire disposed on one side of the bone conduction microphone.
8. The bone conduction microphone assembly as recited in claim 7, wherein the fixing assembly comprises a housing that is sleeved on one side of the bone conduction microphone, an opening that is provided on the housing and corresponds to the elastic contact portion, a fixing piece that is provided on one side of the housing, and quick-connection buckles that are provided on both sides of the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310897015.1A CN116614738B (en) | 2023-07-21 | 2023-07-21 | Bone conduction microphone and bone conduction microphone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310897015.1A CN116614738B (en) | 2023-07-21 | 2023-07-21 | Bone conduction microphone and bone conduction microphone assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116614738A CN116614738A (en) | 2023-08-18 |
| CN116614738B true CN116614738B (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310897015.1A Active CN116614738B (en) | 2023-07-21 | 2023-07-21 | Bone conduction microphone and bone conduction microphone assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN116614738B (en) |
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| CN115243137A (en) * | 2021-04-25 | 2022-10-25 | 深圳市韶音科技有限公司 | Earphone set |
| CN116405857A (en) * | 2023-06-08 | 2023-07-07 | 苏州敏芯微电子技术股份有限公司 | Noise reduction type MEMS microphone and electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11540057B2 (en) * | 2011-12-23 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11950055B2 (en) * | 2014-01-06 | 2024-04-02 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| CN108882077A (en) * | 2018-08-24 | 2018-11-23 | 深圳市韶音科技有限公司 | A kind of electronic building brick and glasses |
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2023
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002125298A (en) * | 2000-10-13 | 2002-04-26 | Yamaha Corp | Microphone device and earphone microphone device |
| CN112637736A (en) * | 2018-04-26 | 2021-04-09 | 深圳市韶音科技有限公司 | Earphone system and microphone device thereof |
| CN209184747U (en) * | 2019-01-05 | 2019-07-30 | 深圳市韶音科技有限公司 | Osteoacusis loudspeaker arrangement |
| CN110049391A (en) * | 2019-03-15 | 2019-07-23 | 中科声华(苏州)科技有限公司 | A kind of duct-type microphone |
| CN112153517A (en) * | 2020-10-20 | 2020-12-29 | 朱利 | Multi-medium conduction double-microphone earphone |
| CN115243137A (en) * | 2021-04-25 | 2022-10-25 | 深圳市韶音科技有限公司 | Earphone set |
| CN116405857A (en) * | 2023-06-08 | 2023-07-07 | 苏州敏芯微电子技术股份有限公司 | Noise reduction type MEMS microphone and electronic equipment |
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| Publication number | Publication date |
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| CN116614738A (en) | 2023-08-18 |
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