CN103096196A - Bone conduction microphone - Google Patents
Bone conduction microphone Download PDFInfo
- Publication number
- CN103096196A CN103096196A CN2011103429176A CN201110342917A CN103096196A CN 103096196 A CN103096196 A CN 103096196A CN 2011103429176 A CN2011103429176 A CN 2011103429176A CN 201110342917 A CN201110342917 A CN 201110342917A CN 103096196 A CN103096196 A CN 103096196A
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- housing
- bone
- conduction microphone
- pick
- connecting cylinder
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- 210000000988 bone and bone Anatomy 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 210000003625 skull Anatomy 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
The invention provides a bone conduction microphone. The bone conduction microphone comprises a shell, a seal cap connected with the shell, and a sound pick-up arranged in the shell. A connecting cylinder is arranged in the shell, and the sound pick-up is arranged in the connecting cylinder. With the structure, vibration on the shell can be prevented from entering into the sound pick-up through screening of the shell, noise can be avoided, and therefore sound articulation can be improved.
Description
Technical field
The present invention relates to a kind of bone-conduction microphone.
Background technology
General microphone is to utilize air transmitted and belong to open, though it can obtain good tonequality, disadvantage is to completely cut off extraneous background sound source, and dialogue can't be filtered environmental noise in noisy environment, has caused inconvenience to the user.Compare with utilizing the microphone that air transmitted detects, bone-conduction microphone is due in the head section that is fitted in the user, and the vibration of skull when detecting user's sounding by osteoacusis has stronger Noise Resistance Ability.
Granted publication number is the Chinese patent of CN2814852Y, disclose a kind of bone-conduction microphone, wherein, microphone and vibration plane are connected to each other by a shell, for flexibly connecting, form the sealed gas chamber structure between the pickup face of vibration plane and microphone between vibration plane and shell.Therefore, vibration plane and user's skin attachement, during user's sounding, the vibration of skull is arrived vibration plane by osteoacusis, then the transfer of air in sealed gas chamber is detected by microphone to the pickup face.Due to the air in sealed gas chamber and the extraneous state that is in isolation, therefore the noise of transfer of air had stronger Noise Resistance Ability.But this structure can not prevent the noise by the shell transmission.That is the vibration that, touch of shell etc. is acted on shell can cause that all the air vibration in sealed gas chamber is finally detected by microphone and becomes environmental noise with the form of sound.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of bone-conduction microphone, can effectively shield various environmental noises, improves sound articulation.
for achieving the above object, the first technical scheme of the present invention is a kind of bone-conduction microphone, comprise housing (10), pick-up (30), it is characterized in that, the assembly wall (11) of described shell (10) is provided with the vibration plane (60) with user's skin contact, the position corresponding with described vibration plane (60), the inboard of described assembly wall (11) forms bossed connecting cylinder (21), the interval that connecting cylinder (21) is certain with sidewall (12) maintenance of described shell (10), described pick-up (30) is arranged in described connecting cylinder (21) and keeps sealing between connecting cylinder (21), the pickup face of described pick-up (30) has certain gap between described assembly wall (11) and described assembly wall (11).
Because pick-up (30) is arranged in described connecting cylinder (21) and keeps sealing between connecting cylinder (21), and the pickup face of pick-up (30) has certain gap between assembly wall (11) and assembly wall (11).That is, form airtight air chamber structure between pick-up (30) and assembly wall (11), the vibration of skull in the time of therefore vibration plane (60) and user's skin contact can being detected user's sounding, thus reach the purpose that detects sound.Be arranged on the inside of shell (10) due to pick-up (30) and connecting cylinder (21), that is, shell (10) has played shielding action and has prevented noise producing, has improved sound articulation.
In the second technical scheme, also has capping (40), the openend of described housing (10) is by described capping (40) sealing, and the connecting cylinder (21) that described housing (10) is inner and described pick-up (30) and described capping (40) keep certain interval.
By capping (40) sealing, that is, the inside of housing (10) is closed state, has strengthened shielding action and has further prevented noise producing, has improved sound articulation due to the openend of housing (10).
In the 3rd technical scheme, described housing (10) is for there being the pipe at the end, and the bottom of described housing (10) is described assembly wall (11), and the middle position in described bottom forms described connecting cylinder (21).
Because housing (10) is central portion, be particularly suitable for the communication devices such as mobile phone.
In the 4th technical scheme, described vibration plane (60) is outwards outstanding raised face (RF).
Because vibration plane (60) is outwards outstanding raised face (RF), can better keep in touch with user's skin.
In the 5th technical scheme, described vibration plane (60) is spheric.
Because vibration plane (60) is spheric, not only the skin with the user can better keep in touch, and also is not subjected to the restriction of contact position.
In the 6th technical scheme, be formed with lead wire outlet (50) on the sidewall (12) of described housing (10), the holding wire (51) of described pick-up (30) is drawn by described lead wire outlet (50).
Because the holding wire (51) of pick-up (30) is drawn from the sidewall (12) of housing (10), it is easy that the setting of winding displacement and bone-conduction microphone becomes.
In the 7th technical scheme, be formed with on the sidewall (12) of housing (10) and connect with boss (13), be formed with stage portion (41) in capping (40), be interlocked by this boss (13) and stage portion (41) capping (40) is fixed on housing (10).
The purpose that fastening due to housing (10) and capping (40) by boss (13) and stage portion (41) reaches installation and seals, have simple in structure, easy for installation, the effect that seal degree is high.
In the 8th technical scheme, described housing (10) and described connecting cylinder (21) integrated injection molding.
Due to housing (10) and connecting cylinder (21) integrated injection molding, therefore has the low effect of cost.
In the 9th technical scheme, described pick-up (30) is condenser microphone.
Because pick-up (30) is condenser microphone, therefore have simple in structure, the effect of clear sound.
In the tenth technical scheme, described pick-up (30) is electret microphone.
Because pick-up (30) is electret microphone, therefore simple in structure except having, outside the effect of clear sound, cost is lower.
Description of drawings
Fig. 1 is the decomposition section of bone-conduction microphone.
Embodiment
Below with reference to Fig. 1, embodiment is described in detail.
Bone-conduction microphone of the present invention is applicable to the communicator of any type that can communicate on one or more public or dedicated communications networks, for example, portable computing and internet access device and the device etc. of cell phone, the cell phone with web function, personal digital assistant (PDA), handheld computer, blue teeth wireless headphone, digital camera, other type.This class communicator is due to the uncertainty of environment for use, and microphone not only needs to have high sound articulation that the ability of the various environmental noises of shielding also will be arranged.
Fig. 1 is the decomposition section of bone-conduction microphone, and bone-conduction microphone 1 comprises housing 10, pick-up 20, capping 40.Housing 10 is formed with to connect on the sidewall 12 of housing 10 and uses boss 13 for the pipe at the end is arranged, and is formed with stage portion 41 in capping 40, and housing 10 and capping 40 interlock and link together by boss 13 and stage portion 41.Can smear bonding agent between boss 13 and stage portion 41 and make between housing 10 and capping 40 connection more firmly and play the effect of sealing.
Be provided with vibration plane 60 with user's skin contact at the bottom of housing 10 11 middle positions, its size is suitable with pick-up 20.The position corresponding with vibration plane 60,11 inboard forms the connecting cylinder 21 of projection in the bottom, and the internal diameter of connecting cylinder 21 is more bigger than the external diameter of pick-up 20.Connecting cylinder 21 is perpendicular to bottom 11, and keeps certain interval between the sidewall 12 of shell 10 and capping 40.That is, in present embodiment, the effect of the assembly wall that is used for installation pick-up 20 has been played in bottom 11.
Pick-up 30 is electret microphone, be arranged in connecting cylinder 21, bonding by bonding agent 20 and connecting cylinder 21, between the two by bonding agent 20 sealings, the pickup face of pick-up 30 has certain gap between bottom 11 and bottom 11, that is, form airtight air chamber structure between the pickup face of pick-up 30 and bottom 11.Therefore during with vibration plane 60 and user's skin contact, the vibration of the vibration plane 60 that the skull vibration during because of user's sounding causes can be delivered to by the air vibration in air chamber the pickup face of pick-up 30, is detected by pick-up 30.Vibration plane 60 is outwards outstanding sphere, is also outwards outstanding sphere in the inside of vibration plane 60 side, that is, vibration plane 60 parts of bottom 11 are the structure of thick middle thin edge.
Be formed with lead wire outlet 50 on the sidewall 12 of housing 10, the holding wire 51 of pick-up 30 is drawn by described lead wire outlet 50.Housing 10 and connecting cylinder 21 integrated injection moldings, injection molding is also adopted in capping 40.
As from the foregoing, because bone-conduction microphone of the present invention is a central portion, takies small volume during installation and conveniently install in communication device.
Owing to being an airtight air chamber structure between the pickup face of pick-up 30 and vibration plane 60, by the noise conductively-closed of air transmitted, also can detect clearly sound even use in the serious environment of noise.
By capping 40 sealings, that is, the inside of housing 10 is closed state, has strengthened shielding action and has further prevented noise producing, has improved sound articulation due to the openend of housing 10.
Because vibration plane 60 is spheric, not only the skin with the user can better keep in touch, and also is not subjected to the restriction of contact position.
Because the holding wire 51 of pick-up 30 is drawn from the sidewall 12 of housing 10, winding displacement and the setting in communication device become easy.
Due to housing 10 and connecting cylinder 21 integrated injection moldings, therefore has the low effect of cost.
Because pick-up 30 is electret microphone, therefore simple in structure except having, outside the effect of clear sound, cost is lower.
The above is only preferred embodiment of the present invention, and not in order to limit the present invention, for example, housing 10 is rectangle, D shape or the shape such as trapezoidal also.Housing 10, capping 40 also can adopt the non-conducting materials such as flexible material or pottery to make.In the bottom 11 and the three intersection of vibration plane 60 parts, connecting cylinder 21, also can be from material or structure adopt to flexibly connect the three linked into an integrated entity, can better avoid like this importing the vibration on housing 10 into pick-up 30, prevent the generation of noise.The sealing of capping 40 and housing 10 also can be adopted other fixed structures, as bolt arrangement, adsorption structure etc.Again for example, the above-mentioned housing of mentioning 10 and be arranged on boss 60 on housing 10 etc. also can adopt other structures to realize.Again for example, vibration plane 60 also can adopt other structures such as plane, honeycomb face and surface configuration to realize.
In a word, within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. bone-conduction microphone, comprise housing (10), pick-up (30), it is characterized in that, the assembly wall (11) of described shell (10) is provided with the vibration plane (60) with user's skin contact, the position corresponding with described vibration plane (60), the inboard of described assembly wall (11) forms bossed connecting cylinder (21), the interval that connecting cylinder (21) is certain with sidewall (12) maintenance of described shell (10), described pick-up (30) is arranged in described connecting cylinder (21) and keeps sealing between connecting cylinder (21), the pickup face of described pick-up (30) has certain gap between described assembly wall (11) and described assembly wall (11).
2. bone-conduction microphone according to claim 1, it is characterized in that, also has capping (40), the openend of described housing (10) is by described capping (40) sealing, and the connecting cylinder (21) that described housing (10) is inner and described pick-up (30) and described capping (40) keep certain interval.
3. bone-conduction microphone according to claim 2, it is characterized in that, described housing (10) is for there being the pipe at the end, and the bottom of described housing (10) is described assembly wall (11), and the middle position in described bottom forms described connecting cylinder (21).
4. bone-conduction microphone according to claim 3, is characterized in that, described vibration plane (60) is outwards outstanding raised face (RF).
5. bone-conduction microphone according to claim 4, is characterized in that, described vibration plane (60) is spheric.
6. bone-conduction microphone according to claim 5, it is characterized in that, be formed with lead wire outlet (50) on the sidewall (12) of described housing (10), the holding wire (51) of described pick-up (30) is drawn by described lead wire outlet (50).
7. bone-conduction microphone according to claim 6, it is characterized in that, be formed with on the sidewall (12) of housing (10) and connect with boss (13), be formed with stage portion (41) in capping (40), be interlocked by this boss (13) and stage portion (41) capping (40) is fixed on housing (10).
8. bone-conduction microphone according to claim 7, is characterized in that, described housing (10) and described connecting cylinder (21) integrated injection molding.
According to claim 1 to 8 described bone-conduction microphone, it is characterized in that, described pick-up (30) is condenser microphone.
10. bone-conduction microphone according to claim 9, is characterized in that, described pick-up (30) is electret microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342917.6A CN103096196B (en) | 2011-11-03 | 2011-11-03 | Bone-conduction microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342917.6A CN103096196B (en) | 2011-11-03 | 2011-11-03 | Bone-conduction microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103096196A true CN103096196A (en) | 2013-05-08 |
| CN103096196B CN103096196B (en) | 2017-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110342917.6A Active CN103096196B (en) | 2011-11-03 | 2011-11-03 | Bone-conduction microphone |
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| Country | Link |
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| CN (1) | CN103096196B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512583A (en) * | 2013-07-30 | 2014-01-15 | 谢虹 | Electronic pedometer |
| CN107333218A (en) * | 2017-07-05 | 2017-11-07 | 杭州双弯月电子科技有限公司 | A kind of ceramic osteoacusis Bluetooth microphone |
| WO2020000691A1 (en) * | 2018-06-29 | 2020-01-02 | 深圳市大疆创新科技有限公司 | Electret-based microphone, acoustic vibration detection device, and racing remote control car |
| CN112804627A (en) * | 2021-03-31 | 2021-05-14 | 山东新港电子科技有限公司 | Electret self-excitation bone conduction microphone |
| WO2021134203A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Bone conduction microphone |
| WO2023082745A1 (en) * | 2021-11-10 | 2023-05-19 | 朱达云 | Voiceprint recognition and voice call noise-cancelling device |
| WO2024037209A1 (en) * | 2022-08-17 | 2024-02-22 | 华为技术有限公司 | Bone conduction microphone |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359157A (en) * | 1993-08-30 | 1994-10-25 | Jen-Cheng Peng | Contact type indirect conduction, vibrating type microphone |
| JPH0833073A (en) * | 1994-07-20 | 1996-02-02 | Atsuden Kk | Vibration pickup microphone |
| CN1589064A (en) * | 2004-09-06 | 2005-03-02 | 深圳市韶音科技有限公司 | Contact type microphone |
| KR20050046888A (en) * | 2003-11-14 | 2005-05-19 | 학교법인주성학원 | Bone conduction microphone having a improve shielding structure |
| CN2814848Y (en) * | 2005-08-17 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and receiver assembly |
| CN2814852Y (en) * | 2005-07-28 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and hand machine with the same bone-conduction microphone |
| CN201409221Y (en) * | 2009-04-30 | 2010-02-17 | 比亚迪股份有限公司 | Signal converter and microphone comprising same |
| CN101945312A (en) * | 2009-07-09 | 2011-01-12 | 胡强 | Noise reduction pickup |
| CN202385252U (en) * | 2011-11-03 | 2012-08-15 | 北京美尔斯通科技发展股份有限公司 | Bone conduction microphone |
-
2011
- 2011-11-03 CN CN201110342917.6A patent/CN103096196B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5359157A (en) * | 1993-08-30 | 1994-10-25 | Jen-Cheng Peng | Contact type indirect conduction, vibrating type microphone |
| JPH0833073A (en) * | 1994-07-20 | 1996-02-02 | Atsuden Kk | Vibration pickup microphone |
| KR20050046888A (en) * | 2003-11-14 | 2005-05-19 | 학교법인주성학원 | Bone conduction microphone having a improve shielding structure |
| CN1589064A (en) * | 2004-09-06 | 2005-03-02 | 深圳市韶音科技有限公司 | Contact type microphone |
| CN2814852Y (en) * | 2005-07-28 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and hand machine with the same bone-conduction microphone |
| CN2814848Y (en) * | 2005-08-17 | 2006-09-06 | 陈奚平 | Bone-conduction microphone and receiver assembly |
| CN201409221Y (en) * | 2009-04-30 | 2010-02-17 | 比亚迪股份有限公司 | Signal converter and microphone comprising same |
| CN101945312A (en) * | 2009-07-09 | 2011-01-12 | 胡强 | Noise reduction pickup |
| CN202385252U (en) * | 2011-11-03 | 2012-08-15 | 北京美尔斯通科技发展股份有限公司 | Bone conduction microphone |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512583A (en) * | 2013-07-30 | 2014-01-15 | 谢虹 | Electronic pedometer |
| CN107333218A (en) * | 2017-07-05 | 2017-11-07 | 杭州双弯月电子科技有限公司 | A kind of ceramic osteoacusis Bluetooth microphone |
| WO2020000691A1 (en) * | 2018-06-29 | 2020-01-02 | 深圳市大疆创新科技有限公司 | Electret-based microphone, acoustic vibration detection device, and racing remote control car |
| CN110896686A (en) * | 2018-06-29 | 2020-03-20 | 深圳市大疆创新科技有限公司 | Electret microphone, sound vibration detection device and competition remote control car |
| WO2021134203A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Bone conduction microphone |
| CN112804627A (en) * | 2021-03-31 | 2021-05-14 | 山东新港电子科技有限公司 | Electret self-excitation bone conduction microphone |
| WO2023082745A1 (en) * | 2021-11-10 | 2023-05-19 | 朱达云 | Voiceprint recognition and voice call noise-cancelling device |
| WO2024037209A1 (en) * | 2022-08-17 | 2024-02-22 | 华为技术有限公司 | Bone conduction microphone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103096196B (en) | 2017-12-01 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Bone-conduction microphone and method of manufacturing the same Effective date of registration: 20200114 Granted publication date: 20171201 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING MELST TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020990000059 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211222 Granted publication date: 20171201 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: BEIJING MELST TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020990000059 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Bone conduction microphone Effective date of registration: 20220624 Granted publication date: 20171201 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BEIJING MELST TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022990000363 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20171201 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BEIJING MELST TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022990000363 |