IT1232453B - Idrofono - Google Patents

Idrofono

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
English (en)
Italian (it)
Other versions
IT8967838A0 (it
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/it
Application granted granted Critical
Publication of IT1232453B publication Critical patent/IT1232453B/it

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 Idrofono IT1232453B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3833234A DE3833234C2 (de) 1988-09-30 1988-09-30 Verfahren zum Kalibrieren oder Prüfen eines piezokeramischen Wandlers

Publications (2)

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

Family

ID=6364076

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4134456A1 (de) * 1991-10-18 1993-04-22 Klaus Brankamp System Prozessa Verfahren und vorrichtung zur messung der kraftwirkung in einem mechanisch belasteten maschinenteil
JPH09163498A (ja) * 1995-10-06 1997-06-20 Murata Mfg Co Ltd 球体型圧電スピーカ
JP3644259B2 (ja) * 1998-03-24 2005-04-27 株式会社村田製作所 スピーカ装置
CN100432004C (zh) * 2007-01-16 2008-11-12 中船重工海声科技有限公司 压电陶瓷球壳制作方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036120B (de) * 1954-12-03 1958-08-07 Electroacustic Gmbh Zur Verwendung im Wasser bestimmte Signalvorrichtung
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 (fr) * 1974-07-10 1976-02-06 Schlumberger Prospection Transducteur acoustique
GB1554349A (en) * 1976-11-01 1979-10-17 Stanford Res Inst Int Variable focus ultrasonic transducer means
GB2006434B (en) * 1977-10-20 1982-03-03 Rca Corp Switchable depth of focus pulse-echo ultra-sonic imaging display system
US4168628A (en) * 1977-10-20 1979-09-25 Rca Corporation Pulse-echo ultrasonic-imaging display system having time-varied effective aperture
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 (ja) * 1985-11-27 1987-06-09 Taga Denki Kk 超音波振動子
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 (it) 1989-09-29
GB2223377A (en) 1990-04-04
GB2223377B (en) 1993-06-02
EP0438623B1 (de) 1995-10-25
DE3833234A1 (de) 1990-04-12
EP0438623A1 (de) 1991-07-31
GB8921990D0 (en) 1989-11-15
DE3833234C2 (de) 1995-03-16

Similar Documents

Publication Publication Date Title
ATA901789A (de) Somatostatinpeptid
BR8806093A (pt) Trepano
DK532589D0 (da) Referenceelektrode
DE68914354T2 (de) Hydrophon.
DE68926597T2 (de) Mikrorechner
BR8902098A (pt) Eletrolisador
DK113291A (da) Homogent enzymimmunassay
BR8906898A (pt) Jamela
DK137889D0 (da) Foldeaeske
DK182290D0 (da) Foldeaeske
IT1232453B (it) Idrofono
DK165575C (da) Loeftesele
DE68926367D1 (de) Hydroxymethylcyclobutylpurine
SE8902397D0 (sv) Hydrofon
DD277186A3 (de) Waelzlagerseparator
BR8907290A (pt) Diisopropilbenzeno-bis-peneoalcanoatos
BR6801036U (pt) Rechaud
SE8803172D0 (sv) Provrorsforslutning
BR6800913U (pt) Trailer-sanitarios publico
DK137688D0 (da) Gaffelloeftevogn
SE8902901D0 (sv) Cyklonbraennare
BR6802550U (pt) Bicicleta-skate
BR6800871U (pt) Giro-arte
DK102689D0 (da) Renoverbar lynlaas
BR6800600U (pt) Hidro-serra

Legal Events

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

Effective date: 19950831