FR2665814B1 - Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion. - Google Patents

Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion.

Info

Publication number
FR2665814B1
FR2665814B1 FR9010249A FR9010249A FR2665814B1 FR 2665814 B1 FR2665814 B1 FR 2665814B1 FR 9010249 A FR9010249 A FR 9010249A FR 9010249 A FR9010249 A FR 9010249A FR 2665814 B1 FR2665814 B1 FR 2665814B1
Authority
FR
France
Prior art keywords
underwater
electroacoustic transducer
automatic compensating
immersion pressure
transducer intended
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
FR9010249A
Other languages
English (en)
Other versions
FR2665814A1 (fr
Inventor
Begnis Noel
Oddoart Gilbert
Ferrazza Henri
Sernit Eric
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9010249A priority Critical patent/FR2665814B1/fr
Priority to EP19910402172 priority patent/EP0473480B1/fr
Publication of FR2665814A1 publication Critical patent/FR2665814A1/fr
Application granted granted Critical
Publication of FR2665814B1 publication Critical patent/FR2665814B1/fr
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
    • B06B1/0607—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)
FR9010249A 1990-08-10 1990-08-10 Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion. Expired - Fee Related FR2665814B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9010249A FR2665814B1 (fr) 1990-08-10 1990-08-10 Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion.
EP19910402172 EP0473480B1 (fr) 1990-08-10 1991-08-02 Transducteur électroacoustique destiné à être immergé et comportant un système de compensation automatique de la pression d'immersion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9010249A FR2665814B1 (fr) 1990-08-10 1990-08-10 Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion.

Publications (2)

Publication Number Publication Date
FR2665814A1 FR2665814A1 (fr) 1992-02-14
FR2665814B1 true FR2665814B1 (fr) 1993-06-11

Family

ID=9399607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9010249A Expired - Fee Related FR2665814B1 (fr) 1990-08-10 1990-08-10 Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion.

Country Status (2)

Country Link
EP (1) EP0473480B1 (fr)
FR (1) FR2665814B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697711B1 (fr) * 1992-11-05 1994-12-30 France Etat Armement Procédé et transducteur pour émettre des ondes acoustiques basse fréquence dans un liquide en immersion illimitée.
FR2713430B1 (fr) * 1993-12-03 1996-03-08 France Etat Armement Procédé d'émission d'ondes acoustiques très basses fréquences à forte puissance, et transducteurs correspondants.
FR2720589B1 (fr) * 1994-05-27 1996-07-05 France Etat Armement Procédé et transducteur pour émettre des ondes acoustiques à larges bandes et basses fréquences en profondeur d'immersion illimitée.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539980A (en) * 1968-11-29 1970-11-10 Dynamics Corp America Underwater electroacoustic transducer which resists intense pressure
FR2290813A1 (fr) * 1974-11-08 1976-06-04 Thomson Csf Transducteur electroacoustique resistant aux pressions elevees
FR2496379A1 (fr) * 1980-12-16 1982-06-18 Tech Radioelect Electro Fs Transducteur electroacoustique de puissance pour immersion profonde

Also Published As

Publication number Publication date
FR2665814A1 (fr) 1992-02-14
EP0473480B1 (fr) 1994-04-13
EP0473480A1 (fr) 1992-03-04

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Legal Events

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CD Change of name or company name
ST Notification of lapse