IT1232453B - hydrophone - Google Patents

hydrophone

Info

Publication number
IT1232453B
IT1232453B IT8967838A IT6783889A IT1232453B IT 1232453 B IT1232453 B IT 1232453B IT 8967838 A IT8967838 A IT 8967838A IT 6783889 A IT6783889 A IT 6783889A IT 1232453 B IT1232453 B IT 1232453B
Authority
IT
Italy
Prior art keywords
hydrophone
Prior art date
Application number
IT8967838A
Other languages
Italian (it)
Other versions
IT8967838A0 (en
Inventor
Wolfgang Kessler
Original Assignee
Dornier Gmbh
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 Dornier Gmbh filed Critical Dornier Gmbh
Publication of IT8967838A0 publication Critical patent/IT8967838A0/en
Application granted granted Critical
Publication of IT1232453B publication Critical patent/IT1232453B/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
IT8967838A 1988-09-30 1989-09-29 hydrophone IT1232453B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3833234A DE3833234C2 (en) 1988-09-30 1988-09-30 Procedure for calibrating or testing a piezoceramic transducer

Publications (2)

Publication Number Publication Date
IT8967838A0 IT8967838A0 (en) 1989-09-29
IT1232453B true IT1232453B (en) 1992-02-17

Family

ID=6364076

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8967838A IT1232453B (en) 1988-09-30 1989-09-29 hydrophone

Country Status (4)

Country Link
EP (1) EP0438623B1 (en)
DE (1) DE3833234C2 (en)
GB (1) GB2223377B (en)
IT (1) IT1232453B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4134456A1 (en) * 1991-10-18 1993-04-22 Klaus Brankamp System Prozessa Appts. for measurement of force effect in mechanically loader machine part - involves piezoelectric converter fitted in hole of machine part and set in oscillation, the alterations of which are moulded
JPH09163498A (en) * 1995-10-06 1997-06-20 Murata Mfg Co Ltd Solid sphere type piezoelectric speaker
JP3644259B2 (en) 1998-03-24 2005-04-27 株式会社村田製作所 Speaker device
CN100432004C (en) * 2007-01-16 2008-11-12 中船重工海声科技有限公司 Method for preparing piezoelectric ceramic ball shell

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036120B (en) * 1954-12-03 1958-08-07 Electroacustic Gmbh Signaling device designed for use in water
CA930211A (en) * 1970-08-20 1973-07-17 Johnson Matthey And Mallory Limited Piezoelectric transducer and noise making device utilizing same
IL40315A0 (en) * 1971-10-27 1972-11-28 American Optical Corp Apparatus for sonic transcutaneous interrogation of a vessel in vivo
US3800270A (en) * 1972-07-12 1974-03-26 Johnson Service Co Piezoelectric acoustical transducer for transmitting and receiving
FR2278217A1 (en) * 1974-07-10 1976-02-06 Schlumberger Prospection ACOUSTIC TRANSDUCER
GB1554349A (en) * 1976-11-01 1979-10-17 Stanford Res Inst Int Variable focus ultrasonic transducer means
US4168628A (en) * 1977-10-20 1979-09-25 Rca Corporation Pulse-echo ultrasonic-imaging display system having time-varied effective aperture
GB2006434B (en) * 1977-10-20 1982-03-03 Rca Corp Switchable depth of focus pulse-echo ultra-sonic imaging display system
US4546459A (en) * 1982-12-02 1985-10-08 Magnavox Government And Industrial Electronics Company Method and apparatus for a phased array transducer
GB2144308B (en) * 1983-07-27 1986-09-17 Db Instrumentation Limited Electro-acoustic transducer element
US4703214A (en) * 1985-11-27 1987-10-27 Taga Electric Co., Ltd. Ultrasonic vibrator and its drive control method
JPS62126874A (en) * 1985-11-27 1987-06-09 Taga Denki Kk Ultrasonic vibrator and drive controlling method thereof
US4672592A (en) * 1985-12-23 1987-06-09 Westinghouse Electric Corp. Shaded transducer
GB2201318B (en) * 1987-02-12 1990-10-24 Udi Group Ltd Electromechanical transducer

Also Published As

Publication number Publication date
IT8967838A0 (en) 1989-09-29
DE3833234C2 (en) 1995-03-16
EP0438623A1 (en) 1991-07-31
GB8921990D0 (en) 1989-11-15
GB2223377B (en) 1993-06-02
GB2223377A (en) 1990-04-04
EP0438623B1 (en) 1995-10-25
DE3833234A1 (en) 1990-04-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950831