DE69600548D1 - Method and transducer for emitting acoustic waves in a liquid with an emphasized directional characteristic at low frequencies - Google Patents

Method and transducer for emitting acoustic waves in a liquid with an emphasized directional characteristic at low frequencies

Info

Publication number
DE69600548D1
DE69600548D1 DE69600548T DE69600548T DE69600548D1 DE 69600548 D1 DE69600548 D1 DE 69600548D1 DE 69600548 T DE69600548 T DE 69600548T DE 69600548 T DE69600548 T DE 69600548T DE 69600548 D1 DE69600548 D1 DE 69600548D1
Authority
DE
Germany
Prior art keywords
transducer
liquid
acoustic waves
low frequencies
directional characteristic
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
DE69600548T
Other languages
German (de)
Other versions
DE69600548T2 (en
Inventor
Yves Ripoll
Gall Yves Le
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
Etat Francais
Original Assignee
Direction General pour lArmement DGA
Etat Francais
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, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of DE69600548D1 publication Critical patent/DE69600548D1/en
Application granted granted Critical
Publication of DE69600548T2 publication Critical patent/DE69600548T2/en
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'
DE1996600548 1995-02-23 1996-02-22 Method and converter for emitting acoustic waves in a liquid with an emphasized directional characteristic at low frequencies Expired - Fee Related DE69600548T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9502094A FR2731130B1 (en) 1995-02-23 1995-02-23 METHOD AND TRANSDUCERS FOR TRANSMITTING ACOUSTIC WAVES IN A LIQUID WITH LOW FREQUENCY DIRECTIVITY

Publications (2)

Publication Number Publication Date
DE69600548D1 true DE69600548D1 (en) 1998-10-01
DE69600548T2 DE69600548T2 (en) 1999-02-11

Family

ID=9476435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996600548 Expired - Fee Related DE69600548T2 (en) 1995-02-23 1996-02-22 Method and converter for emitting acoustic waves in a liquid with an emphasized directional characteristic at low frequencies

Country Status (4)

Country Link
EP (1) EP0728533B1 (en)
CA (1) CA2170089A1 (en)
DE (1) DE69600548T2 (en)
FR (1) FR2731130B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2818754B1 (en) * 2000-12-21 2004-06-18 Inst Francais Du Petrole DEVICE FOR GENERATING FOCUSED ELASTIC WAVES IN A MATERIAL MEDIUM SUCH AS THE BASEMENT, AND METHOD FOR ITS IMPLEMENTATION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2390847A (en) * 1941-08-13 1945-12-11 Rca Corp Signal translating apparatus
DE3620085C2 (en) * 1986-06-14 1994-03-10 Honeywell Elac Nautik Gmbh Tubular electro-acoustic transducer
FR2665998B1 (en) * 1988-05-05 1993-10-29 Etat Francais Delegue Armement ELECTRO-ACOUSTIC TRANSDUCERS AND METHODS FOR TRANSMITTING LOW FREQUENCY ACOUSTIC WAVES INTO A LIQUID.
FR2663182B1 (en) * 1990-06-12 1992-09-18 Grosso Gilles UNDERWATER ELECTRO-ACOUSTIC TRANSDUCER.
FR2674717B1 (en) * 1991-03-29 1993-05-14 Thomson Csf DIRECTIONAL LOW FREQUENCY ACOUSTIC ANTENNA.

Also Published As

Publication number Publication date
EP0728533A1 (en) 1996-08-28
FR2731130B1 (en) 1997-04-11
CA2170089A1 (en) 1996-08-24
FR2731130A1 (en) 1996-08-30
DE69600548T2 (en) 1999-02-11
EP0728533B1 (en) 1998-08-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee