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
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| JP2001147099 | 2001-05-16 |
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 (22)
| 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 |
| GB2399045B (en) * | 2003-02-19 | 2005-11-16 | Gillette Co | Safety razors |
| GB2398534B (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 |
| US20090163978A1 (en) * | 2007-11-20 | 2009-06-25 | Otologics, Llc | Implantable electret 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 |
| JP2018182530A (ja) * | 2017-04-13 | 2018-11-15 | 小島プレス工業株式会社 | 車載用マイクロホンおよび車載用マイクシステム |
| 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 EP EP02253410A patent/EP1259094A3/en not_active Withdrawn
- 2002-05-15 KR KR10-2002-0026707A patent/KR100484999B1/ko not_active Expired - Fee Related
- 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 |
|---|---|
| US6898292B2 (en) | 2005-05-24 |
| KR100484999B1 (ko) | 2005-04-25 |
| EP1259094A2 (en) | 2002-11-20 |
| TWI229565B (en) | 2005-03-11 |
| CN1385995A (zh) | 2002-12-18 |
| KR20020087884A (ko) | 2002-11-23 |
| JP2002345087A (ja) | 2002-11-29 |
| JP4528461B2 (ja) | 2010-08-18 |
| EP1259094A3 (en) | 2008-09-03 |
| US20020172385A1 (en) | 2002-11-21 |
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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 |