AU2002215232A1 - An electret condenser microphone - Google Patents

An electret condenser microphone

Info

Publication number
AU2002215232A1
AU2002215232A1 AU2002215232A AU1523202A AU2002215232A1 AU 2002215232 A1 AU2002215232 A1 AU 2002215232A1 AU 2002215232 A AU2002215232 A AU 2002215232A AU 1523202 A AU1523202 A AU 1523202A AU 2002215232 A1 AU2002215232 A1 AU 2002215232A1
Authority
AU
Australia
Prior art keywords
condenser microphone
electret condenser
electret
microphone
condenser
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.)
Abandoned
Application number
AU2002215232A
Inventor
Sung-Ho Park
Du-Yeong Yun
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.)
BSE Co Ltd
Original Assignee
BSE 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 BSE Co Ltd filed Critical BSE Co Ltd
Publication of AU2002215232A1 publication Critical patent/AU2002215232A1/en
Abandoned 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
    • H04R19/04—Microphones
    • 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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/43—Electric condenser making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer
AU2002215232A 2000-11-01 2001-10-31 An electret condenser microphone Abandoned AU2002215232A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR2020000030483U KR200218653Y1 (en) 2000-11-01 2000-11-01 An electret condenser microphone
KR0030483 2000-11-01
PCT/KR2001/001836 WO2002037893A1 (en) 2000-11-01 2001-10-31 An electret condenser microphone

Publications (1)

Publication Number Publication Date
AU2002215232A1 true AU2002215232A1 (en) 2002-05-15

Family

ID=19671125

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002215232A Abandoned AU2002215232A1 (en) 2000-11-01 2001-10-31 An electret condenser microphone

Country Status (7)

Country Link
US (1) US6694032B2 (en)
EP (1) EP1332643A4 (en)
JP (1) JP3801985B2 (en)
KR (1) KR200218653Y1 (en)
CN (1) CN1381156A (en)
AU (1) AU2002215232A1 (en)
WO (1) WO2002037893A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100469886B1 (en) * 2002-07-30 2005-02-02 주식회사 비에스이 Method of making multi-layer diaphragm for condenser microphone
KR100469885B1 (en) * 2002-07-30 2005-02-02 주식회사 비에스이 Method of making semiconductor back-electret
US7035167B2 (en) * 2003-09-11 2006-04-25 General Phosphorix Seismic sensor
US7016262B2 (en) * 2003-09-11 2006-03-21 General Phosphorix, Llc Seismic sensor
CN1883020B (en) 2003-11-20 2011-02-02 松下电器产业株式会社 Electret and electret capacitor
JP4264103B2 (en) 2004-03-03 2009-05-13 パナソニック株式会社 Electret condenser microphone
JP4137158B2 (en) * 2004-03-05 2008-08-20 松下電器産業株式会社 Electret condenser microphone
EP1722596A4 (en) 2004-03-09 2009-11-11 Panasonic Corp Electret capacitor microphone
DE102004030748A1 (en) * 2004-06-25 2006-01-12 Sennheiser Electronic Gmbh & Co. Kg Electro-acoustic back electret converter
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
CN1993000B (en) * 2005-12-30 2011-09-28 财团法人工业技术研究院 Electro-acoustic actuator and method for manufacture
WO2009067616A1 (en) * 2007-11-20 2009-05-28 Otologics, Llc Implantable electret microphone
TWI339188B (en) * 2007-11-21 2011-03-21 Ind Tech Res Inst A package structure for mems type microphone and method therefor
US8855350B2 (en) * 2009-04-28 2014-10-07 Cochlear Limited Patterned implantable electret microphone
US9060229B2 (en) 2010-03-30 2015-06-16 Cochlear Limited Low noise electret microphone
CN103513194B (en) * 2013-10-06 2016-03-02 宁波大红鹰学院 A kind of waveguide-coupled magnetoelectronic devices
CN109379684B (en) * 2018-10-09 2020-05-29 歌尔股份有限公司 Microphone and electronic device

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249043A (en) * 1977-12-02 1981-02-03 The Post Office Electret transducer backplate, electret transducer and method of making an electret transducer
JPS5754399Y2 (en) * 1978-02-20 1982-11-25
NL7802688A (en) * 1978-03-13 1979-09-17 Philips Nv DEVICE FOR CONVERSION FROM ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSIONS, EQUIPPED WITH AT LEAST ONE CONDENSER ELECTRICAL ELEMENT CONNECTED TO AN ELECTRONIC CIRCUIT.
JPS5756640Y2 (en) * 1978-09-30 1982-12-06
US4188513A (en) * 1978-11-03 1980-02-12 Northern Telecom Limited Electret microphone with simplified electrical connections by printed circuit board mounting
JPS622879Y2 (en) * 1981-03-25 1987-01-22
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
US4558184A (en) * 1983-02-24 1985-12-10 At&T Bell Laboratories Integrated capacitive transducer
US4891843A (en) * 1983-02-24 1990-01-02 At&T Technologies, Inc. Electret microphone
US4764690A (en) * 1986-06-18 1988-08-16 Lectret S.A. Electret transducing
US4730283A (en) * 1986-09-15 1988-03-08 Industrial Research Products, Inc. Acoustic transducer with improved electrode spacing
NL8702589A (en) * 1987-10-30 1989-05-16 Microtel Bv ELECTRO-ACOUSTIC TRANSDUCENT OF THE KIND OF ELECTRET, AND A METHOD FOR MANUFACTURING SUCH TRANSDUCER.
US4993072A (en) * 1989-02-24 1991-02-12 Lectret S.A. Shielded electret transducer and method of making the same
US5101543A (en) * 1990-07-02 1992-04-07 Gentex Corporation Method of making a variable capacitor microphone
US5272758A (en) * 1991-09-09 1993-12-21 Hosiden Corporation Electret condenser microphone unit
NL9101563A (en) * 1991-09-17 1993-04-16 Microtel Bv ELECTROACOUSTIC TRANSDUCENT OF THE ELECTRET TYPE.
FR2697675B1 (en) * 1992-11-05 1995-01-06 Suisse Electronique Microtech Method for manufacturing integrated capacitive transducers.
US5452268A (en) * 1994-08-12 1995-09-19 The Charles Stark Draper Laboratory, Inc. Acoustic transducer with improved low frequency response
WO1997039464A1 (en) * 1996-04-18 1997-10-23 California Institute Of Technology Thin film electret microphone
JP3801212B2 (en) * 1996-05-24 2006-07-26 エス ジョージ レジンスキー Implantable improved microphone for hearing aids
JPH1188992A (en) * 1997-09-03 1999-03-30 Hosiden Corp Integrated capacitive transducer and its manufacture
JP3440037B2 (en) * 1999-09-16 2003-08-25 三洋電機株式会社 Semiconductor device, semiconductor electret condenser microphone, and method of manufacturing semiconductor electret condenser microphone.

Also Published As

Publication number Publication date
JP3801985B2 (en) 2006-07-26
US20030007655A1 (en) 2003-01-09
JP2004510373A (en) 2004-04-02
CN1381156A (en) 2002-11-20
US6694032B2 (en) 2004-02-17
EP1332643A1 (en) 2003-08-06
KR200218653Y1 (en) 2001-04-02
WO2002037893A1 (en) 2002-05-10
EP1332643A4 (en) 2009-03-25

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