FR2720587B1 - Perfectionnement aux antennes sonar munies d'une contre masse commune. - Google Patents

Perfectionnement aux antennes sonar munies d'une contre masse commune.

Info

Publication number
FR2720587B1
FR2720587B1 FR9406408A FR9406408A FR2720587B1 FR 2720587 B1 FR2720587 B1 FR 2720587B1 FR 9406408 A FR9406408 A FR 9406408A FR 9406408 A FR9406408 A FR 9406408A FR 2720587 B1 FR2720587 B1 FR 2720587B1
Authority
FR
France
Prior art keywords
improvement
antennas provided
common counterweight
sonar antennas
sonar
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
FR9406408A
Other languages
English (en)
Other versions
FR2720587A1 (fr
Inventor
Jacky Garcin
Yves Ripoll
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.)
Direction General pour lArmement DGA
Original Assignee
Direction General pour lArmement DGA
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 Direction General pour lArmement DGA filed Critical Direction General pour lArmement DGA
Priority to FR9406408A priority Critical patent/FR2720587B1/fr
Priority to EP95401230A priority patent/EP0684085A1/fr
Publication of FR2720587A1 publication Critical patent/FR2720587A1/fr
Application granted granted Critical
Publication of FR2720587B1 publication Critical patent/FR2720587B1/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)
  • Details Of Aerials (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR9406408A 1994-05-26 1994-05-26 Perfectionnement aux antennes sonar munies d'une contre masse commune. Expired - Fee Related FR2720587B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9406408A FR2720587B1 (fr) 1994-05-26 1994-05-26 Perfectionnement aux antennes sonar munies d'une contre masse commune.
EP95401230A EP0684085A1 (fr) 1994-05-26 1995-05-26 Antenne sonar ouverte comportant des transducteurs électro-acoustiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406408A FR2720587B1 (fr) 1994-05-26 1994-05-26 Perfectionnement aux antennes sonar munies d'une contre masse commune.

Publications (2)

Publication Number Publication Date
FR2720587A1 FR2720587A1 (fr) 1995-12-01
FR2720587B1 true FR2720587B1 (fr) 1996-07-05

Family

ID=9463543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9406408A Expired - Fee Related FR2720587B1 (fr) 1994-05-26 1994-05-26 Perfectionnement aux antennes sonar munies d'une contre masse commune.

Country Status (1)

Country Link
FR (1) FR2720587B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190921394A (en) * 1909-09-18 1910-09-19 Evershed Vignoles Ltd Improvements in and relating to the Production of Sound Waves by Means of Forced Vibrations.
FR2361033A1 (fr) * 1976-08-03 1978-03-03 France Etat Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur
FR2570916B1 (fr) * 1983-06-23 1988-04-15 France Etat Armement Procede et transducteur electro-acoustique pour emettre ou recevoir des ondes acoustiques dans plusieurs bandes passantes
FR2697709B1 (fr) * 1992-11-05 1994-12-30 France Etat Armement Dispositif d'étanchéité de moteurs électro-acoustiques.

Also Published As

Publication number Publication date
FR2720587A1 (fr) 1995-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110131