CA957063A - Transducteur electroacoustique de grande puissance concu pour les fortes pressions hydrostatiques - Google Patents

Transducteur electroacoustique de grande puissance concu pour les fortes pressions hydrostatiques

Info

Publication number
CA957063A
CA957063A CA111,787*7A CA111787A CA957063A CA 957063 A CA957063 A CA 957063A CA 111787 A CA111787 A CA 111787A CA 957063 A CA957063 A CA 957063A
Authority
CA
Canada
Prior art keywords
hydrostatiques
electroacoustique
concu
transducteur
pressions
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
Application number
CA111,787*7A
Other versions
CA111787S (en
Inventor
Otto Brandt
Bernard Tocquet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA957063A publication Critical patent/CA957063A/en
Expired 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
    • B06B1/0607—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 multiple elements
    • B06B1/0611—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 multiple elements in a pile
    • B06B1/0618—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 multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CA111,787*7A 1970-04-30 1971-04-29 Transducteur electroacoustique de grande puissance concu pour les fortes pressions hydrostatiques Expired CA957063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7015862A FR2085545B1 (en) 1970-04-30 1970-04-30

Publications (1)

Publication Number Publication Date
CA957063A true CA957063A (en) 1974-10-29

Family

ID=9054909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA111,787*7A Expired CA957063A (en) 1970-04-30 1971-04-29 Transducteur electroacoustique de grande puissance concu pour les fortes pressions hydrostatiques

Country Status (5)

Country Link
CA (1) CA957063A (en)
DE (1) DE2121236A1 (en)
FR (1) FR2085545B1 (en)
GB (1) GB1350213A (en)
NL (1) NL7105829A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204094B1 (en) * 1972-10-20 1978-10-20 Thomson Csf
DE2414936C2 (en) * 1974-03-28 1982-12-16 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Electroacoustic transducer with a magnetostrictive element
FR2290812A1 (en) * 1974-11-08 1976-06-04 Thomson Csf ELECTROACOUSTIC TRANSDUCER FOR DEEP IMMERSION
DE2646389C2 (en) * 1976-10-14 1984-10-31 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Piezoceramic electroacoustic transducer
DE3009048C2 (en) * 1980-03-08 1983-04-21 Kuttruff, Heinrich, Prof. Dr., 5100 Aachen Piezoelectric multilayer transducer for ultrasound
US4319345A (en) * 1980-05-23 1982-03-09 Halliburton Company Acoustic well-logging transmitting and receiving transducers
FR2496379A1 (en) * 1980-12-16 1982-06-18 Tech Radioelect Electro Fs Underwater electroacoustic transducer - has piezoelectric stack and surrounding envelope enclosing protective gas cushion
FR2498867A1 (en) * 1981-01-27 1982-07-30 Tech Radioelect Electro Fs Electroacoustic transducer for great depth - has piezoelectric discs and counterweight in container with double walls separated by gas under pressure
FR2498866A1 (en) * 1981-01-27 1982-07-30 Tech Radioelect Electro Fs Case for electroacoustic transducer for high hydrostatic pressure - has double wall separated by gas under pressure and contained in vulcanised rubber skin
FR2532141A1 (en) * 1982-08-23 1984-02-24 Sintra Alcatel Sa Submerged electroacoustic transducer.
FR2640455B1 (en) * 1988-07-08 1991-05-17 Thomson Csf ELECTROACOUSTIC TRANSDUCER, USABLE IN PARTICULAR AS A SOURCE OF ACOUSTIC WAVES FOR UNDERWATER APPLICATIONS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405226A (en) * 1942-12-28 1946-08-06 Bell Telephone Labor Inc Low frequency projector or hydrophone
US3277436A (en) * 1956-02-09 1966-10-04 James W Fitzgerald Hollow electro-acoustic transducer
US2961635A (en) * 1956-11-09 1960-11-22 Winfield J Trott Low-frequency underwater sound flexure mode ring drive transducer

Also Published As

Publication number Publication date
FR2085545B1 (en) 1973-10-19
FR2085545A1 (en) 1971-12-24
DE2121236A1 (en) 1971-12-30
GB1350213A (en) 1974-04-18
NL7105829A (en) 1971-11-02

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