CN1178447C - 驻极体话筒 - Google Patents
驻极体话筒 Download PDFInfo
- Publication number
- CN1178447C CN1178447C CNB021200289A CN02120028A CN1178447C CN 1178447 C CN1178447 C CN 1178447C CN B021200289 A CNB021200289 A CN B021200289A CN 02120028 A CN02120028 A CN 02120028A CN 1178447 C CN1178447 C CN 1178447C
- Authority
- CN
- China
- Prior art keywords
- electrode
- back panel
- framework
- condenser microphone
- substrate
- 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 - Fee Related
Links
Images
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
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001147099 | 2001-05-16 | ||
JP2001147099A JP4528461B2 (ja) | 2001-05-16 | 2001-05-16 | エレクトレットコンデンサマイクロフォン |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1385995A CN1385995A (zh) | 2002-12-18 |
CN1178447C true CN1178447C (zh) | 2004-12-01 |
Family
ID=18992634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021200289A Expired - Fee Related CN1178447C (zh) | 2001-05-16 | 2002-05-16 | 驻极体话筒 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6898292B2 (zh) |
EP (1) | EP1259094A3 (zh) |
JP (1) | JP4528461B2 (zh) |
KR (1) | KR100484999B1 (zh) |
CN (1) | CN1178447C (zh) |
TW (1) | TWI229565B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102256199A (zh) * | 2010-10-12 | 2011-11-23 | 歌尔声学股份有限公司 | 一种微型电容式麦克风 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3835739B2 (ja) * | 2001-10-09 | 2006-10-18 | シチズン電子株式会社 | エレクトレットコンデンサマイクロフォン |
KR100486870B1 (ko) * | 2002-07-30 | 2005-05-03 | 주식회사 비에스이 | 셀프 일렉트렛 콘덴서 마이크로폰 |
JP3940679B2 (ja) * | 2003-01-16 | 2007-07-04 | シチズン電子株式会社 | エレクトレットコンデンサマイクロホン |
GB2398534B (en) * | 2003-02-19 | 2005-11-16 | Gillette Co | Safety razors |
GB2399045B (en) * | 2003-02-19 | 2005-11-16 | Gillette Co | Safety razors |
KR100544283B1 (ko) * | 2004-01-20 | 2006-01-24 | 주식회사 비에스이 | 표면실장을 위한 평행육면체형 콘덴서 마이크로폰 |
JP4627676B2 (ja) * | 2005-03-31 | 2011-02-09 | シチズン電子株式会社 | 耐熱性帯電樹脂体を用いたエレクトレットコンデンサマイクロホン及びその製造方法。 |
US8448326B2 (en) * | 2005-04-08 | 2013-05-28 | Microsoft Corporation | Method of manufacturing an accelerometer |
US20070023690A1 (en) * | 2005-07-01 | 2007-02-01 | Yuki Tsuchiya | Method of producing heat-resistant electrically charged fluororesin material and method of producing electret condenser microphone using heat-resistant electrically charged fluororesin material |
KR100648398B1 (ko) * | 2005-07-07 | 2006-11-24 | 주식회사 비에스이 | 실리콘 콘덴서 마이크로폰의 패키징 구조 및 그 제조방법 |
JP4737535B2 (ja) * | 2006-01-19 | 2011-08-03 | ヤマハ株式会社 | コンデンサマイクロホン |
JP2007295308A (ja) * | 2006-04-25 | 2007-11-08 | Citizen Electronics Co Ltd | エレクトレットコンデンサマイクロホンの製造方法。 |
JP2009005253A (ja) * | 2007-06-25 | 2009-01-08 | Hosiden Corp | コンデンサマイクロホン |
EP2220875A4 (en) * | 2007-11-20 | 2013-10-30 | Cochlear Ltd | IMPLANTABLE ELECTRIC MICROPHONE |
TWI368445B (en) * | 2008-08-11 | 2012-07-11 | Ind Tech Res Inst | Connecting structure of a electrode of a speaker unit |
US8855350B2 (en) * | 2009-04-28 | 2014-10-07 | Cochlear Limited | Patterned implantable electret microphone |
WO2011123552A1 (en) | 2010-03-30 | 2011-10-06 | Otologics, Llc | Low noise electret microphone |
US9686617B2 (en) | 2014-04-01 | 2017-06-20 | Robert Bosch Gmbh | Microphone system with driven electrodes |
KR101554364B1 (ko) * | 2014-12-30 | 2015-09-21 | (주)이미지스테크놀로지 | 리드프레임을 이용한 멤스 마이크로폰 패키지 |
CN105554600A (zh) * | 2016-03-09 | 2016-05-04 | 山东共达电声股份有限公司 | 一种驻极体麦克风 |
DE102018203098B3 (de) * | 2018-03-01 | 2019-06-19 | Infineon Technologies Ag | MEMS-Sensor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2297211A (en) * | 1938-07-25 | 1942-09-29 | Gerlach Erwin | Condenser microphone |
US4331840A (en) * | 1980-02-22 | 1982-05-25 | Lectret S.A. | Electret transducer with tapered acoustic chamber |
JPS6352600A (ja) * | 1986-08-22 | 1988-03-05 | Sony Corp | 電気音響変換器 |
US5272758A (en) * | 1991-09-09 | 1993-12-21 | Hosiden Corporation | Electret condenser microphone unit |
JPH10145894A (ja) * | 1996-11-11 | 1998-05-29 | Sony Corp | コンデンサ・マイクロフォン |
JPH1188992A (ja) * | 1997-09-03 | 1999-03-30 | Hosiden Corp | 集積型容量性変換器及びその製造方法 |
JP2000050393A (ja) * | 1998-05-25 | 2000-02-18 | Hosiden Corp | エレクトレットコンデンサマイクロホン |
JP3375284B2 (ja) * | 1998-07-24 | 2003-02-10 | ホシデン株式会社 | エレクトレットコンデンサマイクロホン |
JP3377957B2 (ja) | 1998-12-25 | 2003-02-17 | 京セラ株式会社 | エレクトレットコンデンサマイクロホン |
JP3987228B2 (ja) * | 1999-03-10 | 2007-10-03 | 松下電器産業株式会社 | エレクトレットコンデンサマイクロホン |
JP2001069596A (ja) * | 1999-08-25 | 2001-03-16 | Hosiden Corp | 半導体エレクトレットコンデンサマイクロホンの製造方法及び半導体エレクトレットコンデンサマイクロホン |
-
2001
- 2001-05-16 JP JP2001147099A patent/JP4528461B2/ja not_active Expired - Fee Related
-
2002
- 2002-05-10 TW TW091109761A patent/TWI229565B/zh active
- 2002-05-10 US US10/141,822 patent/US6898292B2/en not_active Expired - Fee Related
- 2002-05-15 KR KR10-2002-0026707A patent/KR100484999B1/ko not_active IP Right Cessation
- 2002-05-15 EP EP02253410A patent/EP1259094A3/en not_active Withdrawn
- 2002-05-16 CN CNB021200289A patent/CN1178447C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102256199A (zh) * | 2010-10-12 | 2011-11-23 | 歌尔声学股份有限公司 | 一种微型电容式麦克风 |
Also Published As
Publication number | Publication date |
---|---|
KR100484999B1 (ko) | 2005-04-25 |
JP2002345087A (ja) | 2002-11-29 |
CN1385995A (zh) | 2002-12-18 |
KR20020087884A (ko) | 2002-11-23 |
JP4528461B2 (ja) | 2010-08-18 |
TWI229565B (en) | 2005-03-11 |
EP1259094A3 (en) | 2008-09-03 |
EP1259094A2 (en) | 2002-11-20 |
US20020172385A1 (en) | 2002-11-21 |
US6898292B2 (en) | 2005-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: CITIZEN ELECTRONICS CO., LTD. Free format text: FORMER OWNER: CITIZEN ELECTRONICS CO., LTD.; AUDIO TECHNOLOGY CO., LTD. Effective date: 20021115 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20021115 Applicant after: Citizen Electronics Co., Ltd. Applicant before: Citizen Electronics Co., Ltd. Applicant before: Acoustics Technique Ltd. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041201 Termination date: 20100516 |