DE69525091D1 - Magnetsresistives Mikrophon und akustische Sensoreinrichtungen - Google Patents
Magnetsresistives Mikrophon und akustische SensoreinrichtungenInfo
- Publication number
- DE69525091D1 DE69525091D1 DE69525091T DE69525091T DE69525091D1 DE 69525091 D1 DE69525091 D1 DE 69525091D1 DE 69525091 T DE69525091 T DE 69525091T DE 69525091 T DE69525091 T DE 69525091T DE 69525091 D1 DE69525091 D1 DE 69525091D1
- Authority
- DE
- Germany
- Prior art keywords
- magnet
- sensor devices
- acoustic sensor
- resistant microphone
- 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
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
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/220,318 US5450372A (en) | 1994-03-30 | 1994-03-30 | Magnetoresistive microphone and acoustic sensing devices |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69525091D1 true DE69525091D1 (de) | 2002-03-14 |
Family
ID=22823077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69525091T Expired - Lifetime DE69525091D1 (de) | 1994-03-30 | 1995-03-21 | Magnetsresistives Mikrophon und akustische Sensoreinrichtungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5450372A (de) |
EP (1) | EP0675669B1 (de) |
JP (1) | JP3044178B2 (de) |
KR (1) | KR950035511A (de) |
DE (1) | DE69525091D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5985356A (en) | 1994-10-18 | 1999-11-16 | The Regents Of The University Of California | Combinatorial synthesis of novel materials |
US5856008A (en) * | 1997-06-05 | 1999-01-05 | Lucent Technologies Inc. | Article comprising magnetoresistive material |
SG106612A1 (en) * | 2001-05-29 | 2004-10-29 | Sony Electronics Singapore Pte | A force sensing device |
DE10354281B4 (de) * | 2003-11-20 | 2012-10-25 | Marco Systemanalyse Und Entwicklung Gmbh | Sensor |
IT1395564B1 (it) * | 2009-09-01 | 2012-10-16 | Bianchelli | Dispositivo multifunzione per uso domestico e/o commerciale |
JP5429013B2 (ja) * | 2010-04-12 | 2014-02-26 | ヤマハ株式会社 | 物理量センサ及びマイクロフォン |
RU2535646C2 (ru) * | 2013-05-13 | 2014-12-20 | Общество с ограниченной ответственностью "Наноэлектронные системы" | Вибродатчик |
CN104219613B (zh) * | 2014-03-20 | 2017-11-10 | 江苏多维科技有限公司 | 一种磁电阻音频采集器 |
JP6745774B2 (ja) * | 2017-09-20 | 2020-08-26 | 株式会社東芝 | センサ及び電子機器 |
CN108924720B (zh) * | 2018-06-25 | 2020-07-24 | 歌尔股份有限公司 | Mems麦克风 |
CN109275080B (zh) * | 2018-08-06 | 2020-07-24 | 歌尔股份有限公司 | 一种传感器 |
CN109211281B (zh) * | 2018-08-06 | 2019-10-22 | 歌尔股份有限公司 | 一种传感器 |
CN110455401B (zh) * | 2019-08-28 | 2021-10-19 | 江苏多维科技有限公司 | 一种高灵敏度磁阻声波传感器及阵列装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967368A (en) * | 1972-10-11 | 1976-07-06 | International Business Machines Corporation | Method for manufacturing and using an internally biased magnetoresistive magnetic transducer |
JPS6160135U (de) * | 1984-09-27 | 1986-04-23 | ||
AU569828B2 (en) * | 1986-04-17 | 1988-02-18 | Nihon Radiator Co., Ltd. | Pressure transducer |
US4745812A (en) * | 1987-03-25 | 1988-05-24 | The United States Of America As Represented By The Secretary Of The Army | Triaxial tactile sensor |
JPH04290979A (ja) * | 1991-03-20 | 1992-10-15 | Hitachi Ltd | 磁気センサ、磁気センサを持つ位置検出装置および磁気センサを利用したトルク検出装置、モータ制御装置、あるいはこのトルク検出装置を有する電動パワーステアリング装置 |
JP3088519B2 (ja) * | 1991-10-23 | 2000-09-18 | 財団法人生産開発科学研究所 | 磁気抵抗効果素子 |
US5208789A (en) * | 1992-04-13 | 1993-05-04 | Lectret S. A. | Condenser microphones based on silicon with humidity resistant surface treatment |
-
1994
- 1994-03-30 US US08/220,318 patent/US5450372A/en not_active Expired - Lifetime
-
1995
- 1995-03-21 DE DE69525091T patent/DE69525091D1/de not_active Expired - Lifetime
- 1995-03-21 EP EP95301877A patent/EP0675669B1/de not_active Expired - Lifetime
- 1995-03-24 JP JP7090120A patent/JP3044178B2/ja not_active Expired - Lifetime
- 1995-03-27 KR KR1019950006500A patent/KR950035511A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0675669B1 (de) | 2002-01-23 |
EP0675669A1 (de) | 1995-10-04 |
JPH0884398A (ja) | 1996-03-26 |
KR950035511A (ko) | 1995-12-30 |
US5450372A (en) | 1995-09-12 |
JP3044178B2 (ja) | 2000-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |