CN101437183A - Earplug type bone conduction receiver-transmitter - Google Patents
Earplug type bone conduction receiver-transmitter Download PDFInfo
- Publication number
- CN101437183A CN101437183A CNA2008101628417A CN200810162841A CN101437183A CN 101437183 A CN101437183 A CN 101437183A CN A2008101628417 A CNA2008101628417 A CN A2008101628417A CN 200810162841 A CN200810162841 A CN 200810162841A CN 101437183 A CN101437183 A CN 101437183A
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- connector
- earplug
- miniature
- 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.)
- Granted
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 12
- 230000006854 communication Effects 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 8
- 210000005069 ears Anatomy 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Images
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses an earplug type bone conduction call transmitting and receiving device, which is characterized by comprising a call transmitting earplug device, a call receiving earplug device, a signal processing circuit and a connector, wherein the call transmitting earplug device comprises a first shell and a miniature contact microphone transmitter arranged in the first shell; the call receiving earplug device comprises a second shell and a miniature moving coil receiver arranged in the second shell; the miniature contact microphone transmitter is connected with the signal processing circuit which is connected with the connector; the miniature moving coil receiver is connected with the connector; and the output end of the signal processing circuit is provided with PTT switches in parallel for the make-and-break switch in the process of communication. The earplug type bone conduction call transmitting and receiving device has the advantages that the microphone transmitter and the receiver are completely separated from each other to achieve the call transmitting and the call receiving respectively through the miniature contact microphone transmitter and the miniature moving coil receiver by two ears of a person, so that the problems of self excitation and audio mixing in a duplex state are solved fundamentally, and the earplug type bone conduction call transmitting and receiving device can be applied to the field of communication devices such as mobile phone and interphone, and has a broad market prospect.
Description
Technical field
The present invention relates to a kind ofly have sending of high antinoise function and talked about communicator, especially relate to a kind of earplug type bone conduction receiver-transmitter.
Background technology
The maximum characteristics of existing ear type osteoacusis electrophone be solved communication equipment in high-noise environment, converse difficulty a difficult problem, transmitter picks up speech signal by the skeleton vibration pickup, do not experience airborne acoustic vibration, therefore has extraordinary antinoise effect, communication equipment field such as mobile phone, intercom can be widely used in, and the occasion of some need to be keep secret conversations can be used for.But owing to exist audio mixing heavier technically, shortcoming not easy to identify, and when duplex, there is comparatively serious self-excitation problem in the system, in the time of the recent two decades of this technology since coming out, especially failed to be applied widely at the civil area that needs duplex signaling.The patent No. that January 24 calendar year 2001 bulletin is authorized is to disclose in No. 98106573.2 the Chinese invention patent specification that a kind of integrated duct-type that has vibration pickup send, receiver, whole casing is made with soft material, attempt to utilize the vibration isolation effect of flexible material, make obtained signal not produce audio mixing, do not have the phase place difference, need not processing of circuit and just can obtain good anti-ambient noise ability to reach.But find in actual use, under duplex state, still can't solve the problem of self-excitation and audio mixing, therefore after product comes out, for many years can only have use with single worker's form always.This has also greatly hindered product the applying on market of this mode.
Summary of the invention
Technical problem to be solved by this invention provide a kind of can duplexing form work the ear type receiving/transmitting device.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of earplug type bone conduction receiver-transmitter, comprise and send words earplug device, talked about the earplug device, signal processing circuit and connector, the described words earplug device that send comprises first shell and is arranged on the interior miniature contact microphone of described first shell, the described earplug device of being talked about comprises second shell and is arranged on the interior miniature moving-coil type receiver of described second shell, described miniature contact microphone is connected with described signal processing circuit, described signal processing circuit is connected with described connector, described miniature moving-coil type receiver is connected with described connector, is arranged in parallel the ptt switch of the break-make switching that is useful in the communication process on the output of described signal processing circuit.
Described miniature contact microphone is the osteoacusis device, is provided with first damping body around the described pick-up.
Described miniature moving-coil type receiver comprises loud speaker and acoustic conducting pipe, is provided with second damping body around the described acoustic conducting pipe.
Described signal processing circuit comprises triode, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th electric capacity, one end ground connection of described miniature contact microphone, the other end while of described miniature contact microphone and the anode of described the 3rd electric capacity, one end of described first electric capacity is connected with an end of described first resistance, the negative terminal while of described the 3rd electric capacity and the base stage of described triode, one end of described the 3rd resistance, one end of described the 4th resistance is connected with an end of described the 5th electric capacity, the other end of described the 3rd resistance is connected with the input of described connector, the other end ground connection of described the 4th resistance, the other end while of described the 5th electric capacity and the emitter of described triode, one end of described the 5th resistance is connected with an end of described the 4th electric capacity, the other end ground connection of described the 5th resistance, the other end of described the 4th electric capacity is connected with the input of described connector, the other end ground connection of described first electric capacity, the other end of described first resistance is connected with the anode of described second electric capacity and an end of described second resistance simultaneously, the negativing ending grounding of described second electric capacity, the other end of described second resistance is connected with the input of described connector, one end ground connection of described ptt switch, the other end of described ptt switch is connected with the input of described connector.
One end ground connection of described miniature moving-coil type receiver, the described miniature moving-coil type receiver other end is connected with the output of described connector.
Described connector is headset plug or Bluetooth Receiver or infrared remote receiver.
Compared with prior art, the invention has the advantages that setting independently send the words earplug and talked about earplug, transmitter is separated fully with receiver, two ears that utilize the people are realized sending words respectively by miniature contact microphone and miniature moving-coil type receiver and are talked about, fundamentally having solved the problem of self-excitation and audio mixing under the duplex state, is a kind of ear type voice frequency terminal product for the duplex communication device design; The present invention forms simple and direct, delicate structure, and transmitter and receiver are filled in duct respectively during use, and volume is little, in light weight, wear comfortable convenience.The present invention maximum characteristics are to have solved the communication equipment difficult difficult problem of converse in high-noise environment; The present invention can be applicable to communication equipment field such as mobile phone, intercom, has extensive market prospects.
Description of drawings
Fig. 1 is the structural representation of earplug type bone conduction receiver-transmitter of the present invention;
Fig. 2 send the structural representation of words earplug device for the present invention;
Fig. 3 is talked about the structural representation of earplug device for the present invention;
Fig. 4 is a circuit block diagram of the present invention;
Fig. 5 is the circuit theory diagrams of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.As shown in the figure, a kind of earplug type bone conduction receiver-transmitter, comprise and send words earplug device 1, talked about earplug device 2, signal processing circuit 3 and connector 4, be arranged in parallel the ptt switch 5 of the break-make switching that is useful in the communication process on the output of signal processing circuit 3, send words earplug device 1 to comprise first shell 11 and the miniature contact microphone 12 that is arranged in first shell 11, talked about earplug device 2 and comprised second shell 21 and the miniature moving-coil type receiver 22 that is arranged in second shell 21, signal processing circuit 3 comprises triode Q1, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5, one end ground connection of miniature contact microphone 12, the other end while of miniature contact microphone 12 and the anode of the 3rd capacitor C 3, one end of first capacitor C 1 is connected with an end of first resistance R 1, the negative terminal while of the 3rd capacitor C 3 and the base stage of triode Q1, one end of the 3rd resistance R 3, one end of the 4th resistance R 4 is connected with the end of the 5th electric capacity R5, the other end of the 3rd resistance R 3 is connected with the input of connector 4, the other end ground connection of the 4th resistance R 4, the other end while of the 5th capacitor C 5 and the emitter of triode Q1, one end of the 5th resistance R 5 is connected with an end of the 4th capacitor C 4, the other end ground connection of the 5th resistance R 5, the other end of the 4th capacitor C 4 is connected with the input of connector 4, the other end ground connection of first capacitor C 1, the other end of first resistance R 1 is connected with the anode of second capacitor C 2 and an end of second resistance R 2 simultaneously, the negativing ending grounding of second capacitor C 2, the other end of second resistance R 2 is connected with the input of connector 4, one end ground connection of ptt switch 5, the other end of ptt switch 5 is connected with the input of connector 4, one end ground connection of miniature moving-coil type receiver 22, miniature moving-coil type receiver 22 other ends are connected with the output of connector 4, miniature moving-coil type receiver 22 comprises loud speaker 23 and acoustic conducting pipe 24, be provided with second damping body 25 around the acoustic conducting pipe 24, miniature contact microphone 12 comprises osteoacusis device 13, is provided with first damping body 14 around osteoacusis device 13.Osteoacusis device 13 elements among the present invention are made; Connector 4 can be selected headset plug or Bluetooth Receiver or infrared remote receiver, the purpose of signal processing circuit 3 is that telecommunication signal is amplified and frequency compensation, improve speech articulation and intelligibility, therefore can adopt multiple circuit of the prior art to realize.Damping body can be made by the foam sponge with sound absorption function, and shell can be selected for use, and silicon rubber soft material nontoxic to human body skin, no negative interaction is made.Loud speaker is selected high-quality, ultra-thin Microspeaker for use.
Telecommunication equipment adopts miniature contact (bone conduction) formula transmitter, the applying piezoelectric effect principle, and the vibration signal that imports duct into by bone conduction when miniature transmitter is talked the people is converted into the signal of telecommunication, and receiver unit is reduced to acoustical signal with the signal of telecommunication.Signal processing circuit is amplified and frequency compensation telecommunication signal, improves speech articulation and intelligibility; " PTT " switch is used for the break-make control of communication process, and electrical connector is used for being connected with communication equipment.
The present invention has following technical performance index:
1. adaptability
A. reserve temperature range :-40 ℃～+ 75 ℃
B. operating temperature range :-20 ℃～+ 55 ℃
2. send the words index
A. impedance: 1.2 (1 ± 20%) K Ω
B. Hz-KHz: 300Hz～3400Hz
C. average sensitivity: 〉=0.5mv/0.316g (adjustable)
D. operating voltage: 2.5～10VDC
3. receiver index
A. impedance: 32 (1 ± 15%) Ω
B. Hz-KHz: 300Hz～3400Hz
C. average sensitivity: 〉=85dB/mW
D. rated power: 10mW.
Claims (6)
1, a kind of earplug type bone conduction receiver-transmitter, it is characterized in that comprising sending and talk about the earplug device, talked about the earplug device, signal processing circuit and connector, the described words earplug device that send comprises first shell and is arranged on the interior miniature contact microphone of described first shell, the described earplug device of being talked about comprises second shell and is arranged on the interior miniature moving-coil type receiver of described second shell, described miniature contact microphone is connected with described signal processing circuit, described signal processing circuit is connected with described connector, described miniature moving-coil type receiver is connected with described connector, is arranged in parallel the ptt switch of the break-make switching that is useful in the communication process on the output of described signal processing circuit.
2, a kind of ear type receiving/transmitting device as claimed in claim 1 is characterized in that described miniature contact microphone is the osteoacusis device, is provided with first damping body around the described pick-up.
3, a kind of ear type receiving/transmitting device as claimed in claim 1 is characterized in that described miniature moving-coil type receiver comprises loud speaker and acoustic conducting pipe, is provided with second damping body around the described acoustic conducting pipe.
4, a kind of ear type receiving/transmitting device as claimed in claim 1, it is characterized in that described signal processing circuit comprises triode, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, first electric capacity, second electric capacity, the 3rd electric capacity, the 4th electric capacity and the 5th electric capacity, one end ground connection of described miniature contact microphone, the other end while of described miniature contact microphone and the anode of described the 3rd electric capacity, one end of described first electric capacity is connected with an end of described first resistance, the negative terminal while of described the 3rd electric capacity and the base stage of described triode, one end of described the 3rd resistance, one end of described the 4th resistance is connected with an end of described the 5th electric capacity, the other end of described the 3rd resistance is connected with the input of described connector, the other end ground connection of described the 4th resistance, the other end while of described the 5th electric capacity and the emitter of described triode, one end of described the 5th resistance is connected with an end of described the 4th electric capacity, the other end ground connection of described the 5th resistance, the other end of described the 4th electric capacity is connected with the input of described connector, the other end ground connection of described first electric capacity, the other end of described first resistance is connected with the anode of described second electric capacity and an end of described second resistance simultaneously, the negativing ending grounding of described second electric capacity, the other end of described second resistance is connected with the input of described connector, one end ground connection of described ptt switch, the other end of described ptt switch is connected with the input of described connector.
5, a kind of ear type receiving/transmitting device as claimed in claim 1 is characterized in that an end ground connection of described miniature moving-coil type receiver, and the described miniature moving-coil type receiver other end is connected with the output of described connector.
6, a kind of ear type receiving/transmitting device as claimed in claim 1 is characterized in that described connector is headset plug or Bluetooth Receiver or infrared remote receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810162841A CN101437183B (en) | 2008-12-03 | 2008-12-03 | Earplug type bone conduction receiver-transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810162841A CN101437183B (en) | 2008-12-03 | 2008-12-03 | Earplug type bone conduction receiver-transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101437183A true CN101437183A (en) | 2009-05-20 |
| CN101437183B CN101437183B (en) | 2012-10-17 |
Family
ID=40711366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810162841A Expired - Fee Related CN101437183B (en) | 2008-12-03 | 2008-12-03 | Earplug type bone conduction receiver-transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101437183B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369423A (en) * | 2013-07-25 | 2013-10-23 | 瑞声科技（南京）有限公司 | In-ear earphone |
| CN105451131A (en) * | 2015-11-11 | 2016-03-30 | 深圳市中安瑞科通信有限公司 | Monophone system and control-switchable monophone method |
| WO2018045496A1 (en) * | 2016-09-06 | 2018-03-15 | 海能达通信股份有限公司 | Head-mounted device |
| CN109863758A (en) * | 2016-10-28 | 2019-06-07 | 松下知识产权经营株式会社 | Bone conduction headphones |
| CN112203205A (en) * | 2020-09-07 | 2021-01-08 | 广州大学 | A method and system for measuring language intelligibility with bone conduction earphones |
-
2008
- 2008-12-03 CN CN200810162841A patent/CN101437183B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369423A (en) * | 2013-07-25 | 2013-10-23 | 瑞声科技（南京）有限公司 | In-ear earphone |
| CN105451131A (en) * | 2015-11-11 | 2016-03-30 | 深圳市中安瑞科通信有限公司 | Monophone system and control-switchable monophone method |
| WO2018045496A1 (en) * | 2016-09-06 | 2018-03-15 | 海能达通信股份有限公司 | Head-mounted device |
| CN109863758A (en) * | 2016-10-28 | 2019-06-07 | 松下知识产权经营株式会社 | Bone conduction headphones |
| US10715649B2 (en) | 2016-10-28 | 2020-07-14 | Panasonic Intellectual Property Management Co., Ltd. | Sound input and output device and bone conduction headset system |
| US10972598B2 (en) | 2016-10-28 | 2021-04-06 | Panasonic Intellectual Property Management Co., Ltd. | Bone conduction headset |
| US11050870B2 (en) | 2016-10-28 | 2021-06-29 | Panasonic Intellectual Property Management Co., Ltd. | Bone conduction microphone, bone conduction headset, and communication device |
| CN112203205A (en) * | 2020-09-07 | 2021-01-08 | 广州大学 | A method and system for measuring language intelligibility with bone conduction earphones |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101437183B (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206640738U (en) | Noise cancelling headphone and electronic equipment | |
| CN104521247B (en) | Hearing aid and noise resisting method and device for Bluetooth headset | |
| US7548617B2 (en) | Bluetooth earphone | |
| WO2019114531A1 (en) | Bluetooth chip having hearing aid function, bluetooth headset and wireless hearing aid system | |
| CN202587132U (en) | Voice call circuit with echo suppression function and flat panel computer | |
| CN204887366U (en) | Bluetooth headset that can monitor ambient sound | |
| CN101959098A (en) | Earphone | |
| CN202602769U (en) | Conversation type electronic product with echo inhibition function | |
| CN101437183B (en) | Earplug type bone conduction receiver-transmitter | |
| CN207744142U (en) | A kind of multi-functional bone conduction hearing aid system | |
| CN100531242C (en) | Sound reproduction device and method in portable electronic equipment | |
| CN210868110U (en) | Earplug type bone conduction earphone | |
| CN201303357Y (en) | Earplug-type bone conduction receiver-transmitter | |
| CN207443128U (en) | A kind of mobile terminal with hearing-aid function | |
| CN105163212A (en) | In-ear microphone and control circuit including in-ear microphone and speaker headset | |
| CN206743531U (en) | A kind of earphone that can switch the loudspeaker into a microphone | |
| CN213403429U (en) | Earphone set | |
| CN113992223A (en) | Built-in conversation system based on microphone array noise reduction | |
| CN206100369U (en) | Earphone microphone and be equipped with earphone of this microphone | |
| CN219041956U (en) | Charging box of hearing-aid earphone | |
| CN205283527U (en) | Words system that receives that send of quick -witted bluetooth of arranging that half -duplex is wireless | |
| CN105451131A (en) | Monophone system and control-switchable monophone method | |
| KR20110080306A (en) | Portable terminal with hearing aid function | |
| TWI344781B (en) | Integrated communication apparatus | |
| CN112311926A (en) | Electronic equipment and earphone device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO ZHEJIANG UNIVERSITY ELECTRONICS CO., LTD. Free format text: FORMER OWNER: NINGBO SAKESI AUTOMOTIVE PARTS MANUFACTURE CO., LTD. Effective date: 20130701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130701 Address after: 315318 Zhongxing Road 118, Henghe Town, Zhejiang, Cixi Patentee after: Ningbo Zhejiang University Electronics Co., Ltd. Address before: 315318 Zhongxing Road 118, Henghe Town, Zhejiang, Cixi Patentee before: Ningbo Sakesi Automotive Parts Manufacture Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20141203 |
|
| EXPY | Termination of patent right or utility model |