DE69202352T2 - Electret condenser microphone and process for its manufacture. - Google Patents

Electret condenser microphone and process for its manufacture.

Info

Publication number
DE69202352T2
DE69202352T2 DE1992602352 DE69202352T DE69202352T2 DE 69202352 T2 DE69202352 T2 DE 69202352T2 DE 1992602352 DE1992602352 DE 1992602352 DE 69202352 T DE69202352 T DE 69202352T DE 69202352 T2 DE69202352 T2 DE 69202352T2
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
Application number
DE1992602352
Other languages
German (de)
Other versions
DE69202352D1 (en
Inventor
Hiroyuki Baba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69202352D1 publication Critical patent/DE69202352D1/en
Publication of DE69202352T2 publication Critical patent/DE69202352T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE1992602352 1991-02-12 1992-02-12 Electret condenser microphone and process for its manufacture. Expired - Lifetime DE69202352T2 (en)

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 DE69202352D1 (en) 1995-06-14
DE69202352T2 true 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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
DE69202352D1 (en) 1995-06-14

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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