DE69202352D1 - Electret condenser microphone and process for its manufacture. - Google Patents
Electret condenser microphone and process for its manufacture.Info
- Publication number
- DE69202352D1 DE69202352D1 DE69202352T DE69202352T DE69202352D1 DE 69202352 D1 DE69202352 D1 DE 69202352D1 DE 69202352 T DE69202352 T DE 69202352T DE 69202352 T DE69202352 T DE 69202352T DE 69202352 D1 DE69202352 D1 DE 69202352D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- condenser microphone
- electret condenser
- electret
- microphone
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1860791A JPH04257200A (en) | 1991-02-12 | 1991-02-12 | Electret capacitor microphone |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69202352D1 true DE69202352D1 (en) | 1995-06-14 |
DE69202352T2 DE69202352T2 (en) | 1996-01-18 |
Family
ID=11976331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992602352 Expired - Lifetime DE69202352T2 (en) | 1991-02-12 | 1992-02-12 | Electret condenser microphone and process for its manufacture. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0499237B1 (en) |
JP (1) | JPH04257200A (en) |
CA (1) | CA2060542C (en) |
DE (1) | DE69202352T2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1002880C2 (en) * | 1996-04-16 | 1997-10-17 | Microtronic Nederland Bv | Electroacoustic transducer. |
US6549632B1 (en) * | 1996-11-08 | 2003-04-15 | Kabushiki Kaisha Audio-Technica | Microphone |
JP2002223498A (en) * | 2000-11-21 | 2002-08-09 | Matsushita Electric Ind Co Ltd | Electret condenser microphone |
KR100349200B1 (en) * | 2000-12-12 | 2002-08-21 | 주식회사 씨에스티 | Ultra-thin type condenser microphone assembly and method for assembling the same |
JP4145505B2 (en) | 2001-05-10 | 2008-09-03 | 松下電器産業株式会社 | Electret condenser microphone and manufacturing method thereof |
US7065224B2 (en) * | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection |
US7239714B2 (en) * | 2001-10-09 | 2007-07-03 | Sonion Nederland B.V. | Microphone having a flexible printed circuit board for mounting components |
EP1446238B1 (en) * | 2001-10-23 | 2012-06-20 | SCHINDEL, David W. | Ultrasonic printed circuit board transducer |
JP3908059B2 (en) * | 2002-02-27 | 2007-04-25 | スター精密株式会社 | Electret condenser microphone |
KR200330089Y1 (en) * | 2003-07-29 | 2003-10-11 | 주식회사 비에스이 | Integrated base and electret condenser microphone using the same |
KR200332944Y1 (en) * | 2003-07-29 | 2003-11-14 | 주식회사 비에스이 | SMD possible electret condenser microphone |
KR100675026B1 (en) * | 2003-11-05 | 2007-01-29 | 주식회사 비에스이 | Method of mounting a condenser microphone on main PCB |
US7415121B2 (en) * | 2004-10-29 | 2008-08-19 | Sonion Nederland B.V. | Microphone with internal damping |
KR100675505B1 (en) | 2005-04-29 | 2007-01-30 | 주식회사 비에스이 | Case for condenser microphone |
JP4809912B2 (en) * | 2009-07-03 | 2011-11-09 | ホシデン株式会社 | Condenser microphone |
CN109640241A (en) * | 2019-01-21 | 2019-04-16 | 深圳市广慧宏科技有限公司 | A kind of full-automatic package system of electret microphone |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE440581B (en) * | 1983-12-22 | 1985-08-05 | Ericsson Telefon Ab L M | PROCEDURE FOR MANUFACTURING ELECTROACUSTIC CONVERTERS WITH CLOSED RESONANCE SPACE, PREFERRED MICROPHONES, AND ELECTROACUSTIC CONVERTERS MANUFACTURED |
JPS627300A (en) * | 1985-07-03 | 1987-01-14 | Matsushita Electric Ind Co Ltd | Electret capacitor microphone |
JPH02149199A (en) * | 1988-11-30 | 1990-06-07 | Matsushita Electric Ind Co Ltd | Electlet condenser microphone |
-
1991
- 1991-02-12 JP JP1860791A patent/JPH04257200A/en active Pending
-
1992
- 1992-02-03 CA CA 2060542 patent/CA2060542C/en not_active Expired - Lifetime
- 1992-02-12 EP EP19920102344 patent/EP0499237B1/en not_active Expired - Lifetime
- 1992-02-12 DE DE1992602352 patent/DE69202352T2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0499237A3 (en) | 1993-10-20 |
JPH04257200A (en) | 1992-09-11 |
EP0499237A2 (en) | 1992-08-19 |
CA2060542A1 (en) | 1992-08-13 |
EP0499237B1 (en) | 1995-05-10 |
CA2060542C (en) | 1998-12-01 |
DE69202352T2 (en) | 1996-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |