DE69507770D1 - Piezoelektrischer Schwingungssensor - Google Patents
Piezoelektrischer SchwingungssensorInfo
- Publication number
- DE69507770D1 DE69507770D1 DE69507770T DE69507770T DE69507770D1 DE 69507770 D1 DE69507770 D1 DE 69507770D1 DE 69507770 T DE69507770 T DE 69507770T DE 69507770 T DE69507770 T DE 69507770T DE 69507770 D1 DE69507770 D1 DE 69507770D1
- Authority
- DE
- Germany
- Prior art keywords
- vibration sensor
- piezoelectric vibration
- piezoelectric
- sensor
- vibration
- 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
Classifications
-
- 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
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9413215 | 1994-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69507770D1 true DE69507770D1 (de) | 1999-03-25 |
DE69507770T2 DE69507770T2 (de) | 1999-09-02 |
Family
ID=9468519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995607770 Expired - Fee Related DE69507770T2 (de) | 1994-11-04 | 1995-11-03 | Piezoelektrischer Schwingungssensor |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0710822B1 (de) |
DE (1) | DE69507770T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2841654B1 (fr) * | 2002-06-28 | 2005-04-08 | Siemens Vdo Automotive | Capteur de vibrations |
DE102004034290A1 (de) * | 2004-07-15 | 2007-01-11 | Siemens Ag | Sensor für Kraftfahrzeuge |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR852764A (fr) * | 1938-04-09 | 1940-03-02 | Magneti Marelli Spa | Microphone piézo-électrique |
DE857205C (de) * | 1941-07-31 | 1952-11-27 | Telefunken Gmbh | Piezoelektrisches Schallgeraet |
US2399513A (en) * | 1942-06-27 | 1946-04-30 | Brush Dev Co | Piezoelectric transducer |
DE825998C (de) * | 1947-08-19 | 1951-12-27 | Paul Beerwald | Elektroakustische Umformungseinheit |
JPS5537068A (en) * | 1978-09-07 | 1980-03-14 | Matsushita Electric Ind Co Ltd | Microphone |
DE3230060C2 (de) * | 1981-07-31 | 1986-07-31 | Sumitomo Electric Industries, Ltd., Osaka | Piezoelektrischer Summer |
JPH0636640B2 (ja) * | 1985-06-26 | 1994-05-11 | 松下電器産業株式会社 | 圧電型マイクロホン |
GB8728509D0 (en) * | 1987-12-05 | 1988-01-13 | Rolls Royce Plc | Acoustic emission transducer |
CH681671A5 (de) | 1990-03-12 | 1993-04-30 | Edwin Bollier |
-
1995
- 1995-11-03 DE DE1995607770 patent/DE69507770T2/de not_active Expired - Fee Related
- 1995-11-03 EP EP19950402452 patent/EP0710822B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0710822A1 (de) | 1996-05-08 |
EP0710822B1 (de) | 1999-02-10 |
DE69507770T2 (de) | 1999-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |