DE589974T1 - Verfahren und system zur prüfung kapazitiver akustischer wandler. - Google Patents

Verfahren und system zur prüfung kapazitiver akustischer wandler.

Info

Publication number: DE589974T1
Authority: DE; Germany
Prior art keywords: acoustic transducers; capacitive acoustic; testing capacitive; testing; transducers
Prior art date: 1991-05-31
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.): Pending

Application number

DE0589974T

Other languages

English (en)

Inventor

Erling Frederiksen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hottinger Bruel and Kjaer AS

Original Assignee

Bruel and Kjaer AS

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.)

1991-05-31

Filing date

1992-05-29

Publication date

1997-03-13

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8100414&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE589974(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-05-29 Application filed by Bruel and Kjaer AS filed Critical Bruel and Kjaer AS

1997-03-13 Publication of DE589974T1 publication Critical patent/DE589974T1/de

Status Pending legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Testing Electric Properties And Detecting Electric Faults (AREA)
Examining Or Testing Airtightness (AREA)

DE0589974T 1991-05-31 1992-05-29 Verfahren und system zur prüfung kapazitiver akustischer wandler. Pending DE589974T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DK105091A DK167636B1 (da)	1991-05-31	1991-05-31	Fremgangsmaade og apparat til overvaagning af akustiske transducere
PCT/DK1992/000173 WO1992021982A1 (en)	1991-05-31	1992-05-29	A method and a system for testing capacitive acoustic transducers

Publications (1)

Publication Number	Publication Date
DE589974T1 true DE589974T1 (de)	1997-03-13

Family

ID=8100414

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE0589974T Pending DE589974T1 (de)	1991-05-31	1992-05-29	Verfahren und system zur prüfung kapazitiver akustischer wandler.
DE69226186T Revoked DE69226186T2 (de)	1991-05-31	1992-05-29	Verfahren und system zur prüfung kapazitiver akustischer wandler

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
DE69226186T Revoked DE69226186T2 (de)	1991-05-31	1992-05-29	Verfahren und system zur prüfung kapazitiver akustischer wandler

Country Status (7)

Country	Link
US (1)	US5400297A (de)
EP (1)	EP0589974B1 (de)
JP (2)	JPH06508685A (de)
AU (1)	AU1978092A (de)
DE (2)	DE589974T1 (de)
DK (2)	DK167636B1 (de)
WO (1)	WO1992021982A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5736631A (en) *	1996-03-11	1998-04-07	Turf Diagnostics & Design, Inc.	Turf impact analysis system
US7028529B2 (en) *	2003-04-28	2006-04-18	Sonora Medical Systems, Inc.	Apparatus and methods for testing acoustic probes and systems
US7450474B2 (en) *	2004-02-25	2008-11-11	Lockheed Martin Corporation	Diagnostic system and method for transducers
DE602005016971D1 (de)	2004-08-31	2009-11-12	Toshiba Kk	Gerät zum Diagnostizieren einer Ultraschallsonde
US7936175B2 (en) *	2008-05-13	2011-05-03	Brüel & Kjaer Sound & Vibration Measurement A/S	Full function test for in situ test of sensors and amplifiers
GB2466785B (en) *	2008-12-30	2011-06-08	Wolfson Microelectronics Plc	Apparatus and method for testing a capacitive transducer and/or associated electronic circuitry
GB2466777B (en) *	2008-12-30	2011-05-04	Wolfson Microelectronics Plc	Apparatus and method for testing a transducer and/or electronic circuitry associated with a transducer
DE102019124533A1 (de)	2019-09-12	2021-03-18	iSEMcon GmbH	Mikrofon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3230449A (en) *	1961-10-02	1966-01-18	Lockheed Aircraft Corp	Apparatus for direct measurement of capacitance and dissipation factor of capacitors
DE3322765A1 (de) *	1983-06-24	1985-01-03	Fried. Krupp Gmbh, 4300 Essen	Verfahren zur fehlerpruefung einer unterwasserantenne
GB2148502B (en) *	1983-10-18	1986-12-31	Standard Telephones Cables Ltd	Remote calibration of acoustic transducer array
US4942614A (en) *	1986-04-16	1990-07-17	Australian Atomic Energy Commission	Calibration of ultrasonic transducers

1991
- 1991-05-31 DK DK105091A patent/DK167636B1/da not_active IP Right Cessation
1992
- 1992-05-29 DE DE0589974T patent/DE589974T1/de active Pending
- 1992-05-29 WO PCT/DK1992/000173 patent/WO1992021982A1/en not_active Application Discontinuation
- 1992-05-29 DE DE69226186T patent/DE69226186T2/de not_active Revoked
- 1992-05-29 AU AU19780/92A patent/AU1978092A/en not_active Abandoned
- 1992-05-29 DK DK92912298T patent/DK0589974T3/da active
- 1992-05-29 JP JP4511033A patent/JPH06508685A/ja active Pending
- 1992-05-29 EP EP92912298A patent/EP0589974B1/de not_active Revoked
1993
- 1993-11-30 US US08/150,176 patent/US5400297A/en not_active Expired - Lifetime
2000
- 2000-10-23 JP JP2000007588U patent/JP2607858Y2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0589974A1 (de)	1994-04-06
JPH06508685A (ja)	1994-09-29
AU1978092A (en)	1993-01-08
DK105091D0 (da)	1991-05-31
EP0589974B1 (de)	1998-07-08
DE69226186D1 (de)	1998-08-13
JP2001000019U (ja)	2001-05-18
WO1992021982A1 (en)	1992-12-10
JP2607858Y2 (ja)	2003-03-31
DE69226186T2 (de)	1998-10-22
DK0589974T3 (da)	1999-02-01
US5400297A (en)	1995-03-21
DK105091A (da)	1992-12-01
DK167636B1 (da)	1993-11-29

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