DK1343353T3 - Kapacitiv transducer - Google Patents

Kapacitiv transducer

Info

Publication number
DK1343353T3
DK1343353T3 DK03076316T DK03076316T DK1343353T3 DK 1343353 T3 DK1343353 T3 DK 1343353T3 DK 03076316 T DK03076316 T DK 03076316T DK 03076316 T DK03076316 T DK 03076316T DK 1343353 T3 DK1343353 T3 DK 1343353T3
Authority
DK
Denmark
Prior art keywords
capacitive transducer
capacitive
transducer
Prior art date
Application number
DK03076316T
Other languages
English (en)
Inventor
Jens Ole Gullov
Niels Eirby
Original Assignee
Brueel & Kjaer Sound & Vibrati
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 Brueel & Kjaer Sound & Vibrati filed Critical Brueel & Kjaer Sound & Vibrati
Priority claimed from EP01978227A external-priority patent/EP1329129B1/en
Application granted granted Critical
Publication of DK1343353T3 publication Critical patent/DK1343353T3/da

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
DK03076316T 2000-10-20 2001-10-19 Kapacitiv transducer DK1343353T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA200001567 2000-10-20
US24567200P 2000-11-06 2000-11-06
EP01978227A EP1329129B1 (en) 2000-10-20 2001-10-19 A capacitive transducer

Publications (1)

Publication Number Publication Date
DK1343353T3 true DK1343353T3 (da) 2005-04-25

Family

ID=27761044

Family Applications (2)

Application Number Title Priority Date Filing Date
DK01978227T DK1329129T3 (da) 2000-10-20 2001-10-19 Kapacitiv transducer
DK03076316T DK1343353T3 (da) 2000-10-20 2001-10-19 Kapacitiv transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK01978227T DK1329129T3 (da) 2000-10-20 2001-10-19 Kapacitiv transducer

Country Status (2)

Country Link
EP (1) EP1343353B1 (da)
DK (2) DK1329129T3 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100604093B1 (ko) * 2004-03-18 2006-07-28 주식회사 비에스이 지향성 일렉트릿 콘덴서 마이크로폰의 배면전극 구조
CN101141832B (zh) * 2006-09-06 2011-04-20 歌尔声学股份有限公司 单膜电容式传声器芯片
CN101272636B (zh) * 2007-03-21 2012-07-18 歌尔声学股份有限公司 电容式传声器芯片

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588382A (en) * 1967-10-11 1971-06-28 Northern Electric Co Directional electret transducer
NL7313455A (nl) * 1973-10-01 1975-04-03 Philips Nv Mikrofoon met elektrostatische capsule.
DK146770C (da) * 1981-11-13 1984-06-04 Brueel & Kjaer As Kapacitiv transducer
US5854846A (en) * 1996-09-06 1998-12-29 Northrop Grumman Corporation Wafer fabricated electroacoustic transducer

Also Published As

Publication number Publication date
DK1329129T3 (da) 2005-04-25
EP1343353A1 (en) 2003-09-10
EP1343353B1 (en) 2004-12-15

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