FR2720588B1 - Perfectionnement acoustique aux antennes sonar. - Google Patents

Perfectionnement acoustique aux antennes sonar.

Info

Publication number
FR2720588B1
FR2720588B1 FR9406409A FR9406409A FR2720588B1 FR 2720588 B1 FR2720588 B1 FR 2720588B1 FR 9406409 A FR9406409 A FR 9406409A FR 9406409 A FR9406409 A FR 9406409A FR 2720588 B1 FR2720588 B1 FR 2720588B1
Authority
FR
France
Prior art keywords
acoustic improvement
sonar antennas
sonar
antennas
acoustic
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
FR9406409A
Other languages
English (en)
Other versions
FR2720588A1 (fr
Inventor
Jacky Garcin
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 FR9406409A priority Critical patent/FR2720588B1/fr
Priority to EP95401230A priority patent/EP0684085A1/fr
Publication of FR2720588A1 publication Critical patent/FR2720588A1/fr
Application granted granted Critical
Publication of FR2720588B1 publication Critical patent/FR2720588B1/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)
FR9406409A 1994-05-26 1994-05-26 Perfectionnement acoustique aux antennes sonar. Expired - Fee Related FR2720588B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9406409A FR2720588B1 (fr) 1994-05-26 1994-05-26 Perfectionnement acoustique aux antennes sonar.
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
FR9406409A FR2720588B1 (fr) 1994-05-26 1994-05-26 Perfectionnement acoustique aux antennes sonar.

Publications (2)

Publication Number Publication Date
FR2720588A1 FR2720588A1 (fr) 1995-12-01
FR2720588B1 true FR2720588B1 (fr) 1996-07-05

Family

ID=9463544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9406409A Expired - Fee Related FR2720588B1 (fr) 1994-05-26 1994-05-26 Perfectionnement acoustique aux antennes sonar.

Country Status (1)

Country Link
FR (1) FR2720588B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2818754B1 (fr) * 2000-12-21 2004-06-18 Inst Francais Du Petrole Dispositif pour engendrer des ondes elastiques focalisees dans un milieu materiel tel que le sous-sol, et methode pour sa mise en oeuvre
CN102824999B (zh) * 2012-08-30 2015-10-28 宁波新芝生物科技股份有限公司 一种大功率超声波换能组件及换能器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344199A1 (fr) * 1976-03-08 1977-10-07 France Etat Antennes acoustiques a large bande passante
FR2569326B1 (fr) * 1984-08-16 1988-07-29 France Etat Armement Transducteurs piezo-electriques et antennes de sonar pouvant etre immerges a grande profondeur
FR2665998B1 (fr) * 1988-05-05 1993-10-29 Etat Francais Delegue Armement Procedes et transducteurs electro-acoustiques pour emettre des ondes acoustiques a basse frequence dans un liquide.

Also Published As

Publication number Publication date
FR2720588A1 (fr) 1995-12-01

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110131