DE68912129D1 - Wandler für akustisches feld. - Google Patents

Wandler für akustisches feld.

Info

Publication number
DE68912129D1
DE68912129D1 DE89909837T DE68912129T DE68912129D1 DE 68912129 D1 DE68912129 D1 DE 68912129D1 DE 89909837 T DE89909837 T DE 89909837T DE 68912129 T DE68912129 T DE 68912129T DE 68912129 D1 DE68912129 D1 DE 68912129D1
Authority
DE
Germany
Prior art keywords
converter
acoustic field
acoustic
field
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
Application number
DE89909837T
Other languages
English (en)
Other versions
DE68912129T2 (de
Inventor
Michael George Arnott
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.)
Sensor Nederland BV
Original Assignee
Sensor Nederland BV
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.)
Filing date
Publication date
Application filed by Sensor Nederland BV filed Critical Sensor Nederland BV
Application granted granted Critical
Publication of DE68912129D1 publication Critical patent/DE68912129D1/de
Publication of DE68912129T2 publication Critical patent/DE68912129T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DE68912129T 1988-07-16 1989-07-17 Wandler für akustisches feld. Expired - Fee Related DE68912129T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888816979A GB8816979D0 (en) 1988-07-16 1988-07-16 Motion transducers
PCT/GB1989/000820 WO1990000730A1 (en) 1988-07-16 1989-07-17 Acoustic field transducers

Publications (2)

Publication Number Publication Date
DE68912129D1 true DE68912129D1 (de) 1994-02-17
DE68912129T2 DE68912129T2 (de) 1994-06-01

Family

ID=10640582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912129T Expired - Fee Related DE68912129T2 (de) 1988-07-16 1989-07-17 Wandler für akustisches feld.

Country Status (6)

Country Link
US (1) US5128905A (de)
EP (1) EP0426761B1 (de)
JP (1) JPH04500145A (de)
DE (1) DE68912129T2 (de)
GB (1) GB8816979D0 (de)
WO (1) WO1990000730A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195060A (en) * 1991-12-10 1993-03-16 Marcorp Inc. Security system for swimming pools and like bodies of water
US5287332A (en) * 1992-06-24 1994-02-15 Unisys Corporation Acoustic particle acceleration sensor and array of such sensors
US5307325A (en) * 1992-08-31 1994-04-26 Magnavox Electronic Systems Company Accelerometer sensor noise reduction method and means
US5384753A (en) * 1993-12-03 1995-01-24 Western Atlas International, Inc. Self-orienting seismic detector
US7212639B1 (en) * 1999-12-30 2007-05-01 The Charles Stark Draper Laboratory Electro-larynx
DE10156588A1 (de) * 2001-11-20 2003-05-28 Ksb Ag Schwingungsmeßgerät
DE102008015916B4 (de) * 2008-03-27 2011-02-10 Multitest Elektronische Systeme Gmbh Verfahren und Vorrichtung zum Testen und Kalibrieren von elektronischen Halbleiterbauelementen, die Schall in elektrische Signale umwandeln
PT3117245T (pt) * 2014-03-14 2022-01-07 Bp Exploration Operating Co Ltd Sensor sísmico
US10378934B2 (en) * 2015-02-02 2019-08-13 Goodrich Corporation Sensor systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363228A (en) * 1965-08-23 1968-01-09 Dynamics Corp Massa Div Pressure gradient hydrophone
US4051395A (en) * 1975-08-08 1977-09-27 Minnesota Mining And Manufacturing Weight actuated piezoelectric polymeric transducer
AT383220B (de) * 1977-07-27 1987-06-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
US4188612A (en) * 1978-05-01 1980-02-12 Teledyne Industries Inc. (Geotech Division) Piezoelectric seismometer
FR2460485A1 (fr) * 1979-06-29 1981-01-23 Thomson Csf Capteur d'acceleration piezo-electrique a element transducteur en materiau polymere et systeme de securite pour centrifugeuse comportant un tel capteur
GB2055018B (en) * 1979-07-11 1983-11-16 Kureha Chemical Ind Co Ltd Vibration detector
US4326275A (en) * 1979-09-27 1982-04-20 Hazeltine Corporation Directional transducer
US4315433A (en) * 1980-03-19 1982-02-16 The United States Of America As Represented By The Secretary Of The Army Polymer film accelerometer
FR2542553A1 (fr) * 1983-03-07 1984-09-14 Thomson Csf Dispositif d'encastrement d'un diaphragme piezo-electrique, son procede de realisation et transducteur electromecanique utilisant un tel dispositif
DE3761731D1 (de) * 1986-11-04 1990-03-29 Siemens Ag Ultraschall-sensor.

Also Published As

Publication number Publication date
GB8816979D0 (en) 1988-08-17
JPH04500145A (ja) 1992-01-09
DE68912129T2 (de) 1994-06-01
EP0426761A1 (de) 1991-05-15
US5128905A (en) 1992-07-07
EP0426761B1 (de) 1994-01-05
WO1990000730A1 (en) 1990-01-25

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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