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DK424785D0 - Indretning til en piezoelektrisk enhed og fremgangsmaade til fremstilling af en saadan indretning - Google Patents

Indretning til en piezoelektrisk enhed og fremgangsmaade til fremstilling af en saadan indretning

Info

Publication number
DK424785D0
DK424785D0 DK424785A DK424785A DK424785D0 DK 424785 D0 DK424785 D0 DK 424785D0 DK 424785 A DK424785 A DK 424785A DK 424785 A DK424785 A DK 424785A DK 424785 D0 DK424785 D0 DK 424785D0
Authority
DK
Denmark
Prior art keywords
procedure
preparation
piezoelectric unit
piezoelectric
unit
Prior art date
Application number
DK424785A
Other languages
English (en)
Other versions
DK163784B (da
DK163784C (da
DK424785A (da
Inventor
Eigil Larsen
Eldar Lien
Clive Snook
Original Assignee
Norway Geophysical Co
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 Norway Geophysical Co filed Critical Norway Geophysical Co
Publication of DK424785D0 publication Critical patent/DK424785D0/da
Publication of DK424785A publication Critical patent/DK424785A/da
Publication of DK163784B publication Critical patent/DK163784B/da
Application granted granted Critical
Publication of DK163784C publication Critical patent/DK163784C/da

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
    • B06B1/0644—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 using a single piezoelectric element
    • B06B1/0662—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 using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0666—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 using a single piezoelectric element with an electrode on the sensitive surface used as a diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DK424785A 1984-09-19 1985-09-18 Indretning til en piezoelektrisk hydrofon og fremgangsmaade til fremstilling af en saadan indretning DK163784C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO843743 1984-09-19
NO843743A NO155599C (no) 1984-09-19 1984-09-19 Anordning ved hydrofon.

Publications (4)

Publication Number Publication Date
DK424785D0 true DK424785D0 (da) 1985-09-18
DK424785A DK424785A (da) 1986-03-20
DK163784B DK163784B (da) 1992-03-30
DK163784C DK163784C (da) 1992-09-07

Family

ID=19887843

Family Applications (1)

Application Number Title Priority Date Filing Date
DK424785A DK163784C (da) 1984-09-19 1985-09-18 Indretning til en piezoelektrisk hydrofon og fremgangsmaade til fremstilling af en saadan indretning

Country Status (6)

Country Link
US (1) US4679178A (da)
DE (1) DE3532615A1 (da)
DK (1) DK163784C (da)
FR (1) FR2570567B1 (da)
GB (1) GB2164820B (da)
NO (1) NO155599C (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4782910A (en) * 1986-05-23 1988-11-08 Mobil Oil Corporation Bi-polar bender transducer for logging tools
NO160959C (no) * 1986-09-26 1991-01-29 Geco As Piezoelektrisk hydrofon.
CA1321827C (en) * 1988-12-19 1993-08-31 Bruce A. Armstrong Hydrophones and similar devices
US5256920A (en) * 1990-12-21 1993-10-26 Lockheed Sanders, Inc. Acoustic transducer
US5222050A (en) * 1992-06-19 1993-06-22 Knowles Electronics, Inc. Water-resistant transducer housing with hydrophobic vent
DE4226485C1 (de) * 1992-08-11 1993-12-23 Prakla Seismos Gmbh Hydrophon, Verfahren zu seiner Herstellung und Verwendung
EP0733217B1 (en) * 1993-04-06 2002-01-02 Thomson Marconi Sonar Pty Ltd Hydrophone carrier
US5646470A (en) * 1994-04-01 1997-07-08 Benthos, Inc. Acoustic transducer
DE19732184C1 (de) * 1997-07-26 1999-01-07 Nokia Deutschland Gmbh Lautsprecherbox
US6964327B2 (en) * 2002-12-11 2005-11-15 Kuo-Tsi Chang Ultrasonic clutch
US7780535B2 (en) * 2003-08-14 2010-08-24 Head Technology Gmbh, Ltd. Method and apparatus for active control of golf club impact
US10001574B2 (en) * 2015-02-24 2018-06-19 Amphenol (Maryland), Inc. Hermetically sealed hydrophones with very low acceleration sensitivity
RU2678956C1 (ru) * 2018-03-07 2019-02-04 Общество с ограниченной ответственностью "СИ ТЕХНОЛОДЖИ" Гидрофон

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255431A (en) * 1960-10-06 1966-06-07 Gulton Ind Inc Hydrophone
US3249912A (en) * 1962-08-08 1966-05-03 Gen Dynamics Corp Electromechanical transducer
US3660809A (en) * 1970-06-29 1972-05-02 Whitehall Electronics Corp Pressure sensitive hydrophone
US3663933A (en) * 1970-07-02 1972-05-16 Us Navy Protective band for bilaminar transducer with slotted spacer ring
US3832762A (en) * 1972-05-22 1974-09-03 Texas Instruments Inc Method of producing a matched parameter acceleration cancelling hydrophone
FR2195143B1 (da) * 1972-08-01 1977-04-01 Electronique Appliquee
US3970878A (en) * 1975-03-31 1976-07-20 Teledyne Exploration Company Piezoelectric transducer unit and hydrophone assembly
US4517664A (en) * 1980-03-31 1985-05-14 Teledyne Exploration Company Seismic apparatus
US4336639A (en) * 1980-03-31 1982-06-29 Teledyne Exploration Company Method of making a seismic apparatus
US4536862A (en) * 1982-05-24 1985-08-20 Texas Instruments Incorporated Seismic cable assembly having improved transducers
FR2530108B1 (fr) * 1982-07-12 1986-08-22 Geophysique Cie Gle Nouvel hydrophone

Also Published As

Publication number Publication date
US4679178A (en) 1987-07-07
NO843743L (no) 1986-03-20
GB2164820B (en) 1988-05-05
DK163784B (da) 1992-03-30
FR2570567B1 (fr) 1988-07-08
DK163784C (da) 1992-09-07
GB2164820A (en) 1986-03-26
NO155599C (no) 1987-04-22
NO155599B (no) 1987-01-12
GB8523202D0 (en) 1985-10-23
DE3532615A1 (de) 1986-03-27
FR2570567A1 (fr) 1986-03-21
DK424785A (da) 1986-03-20

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