DE69300365T2 - Method and transducer for emitting low-frequency acoustic waves, which is immersed in a liquid without restriction. - Google Patents

Method and transducer for emitting low-frequency acoustic waves, which is immersed in a liquid without restriction.

Info

Publication number
DE69300365T2
DE69300365T2 DE1993600365 DE69300365T DE69300365T2 DE 69300365 T2 DE69300365 T2 DE 69300365T2 DE 1993600365 DE1993600365 DE 1993600365 DE 69300365 T DE69300365 T DE 69300365T DE 69300365 T2 DE69300365 T2 DE 69300365T2
Authority
DE
Germany
Prior art keywords
transducer
immersed
restriction
liquid
acoustic waves
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
DE1993600365
Other languages
German (de)
Other versions
DE69300365D1 (en
Inventor
Didier Boucher
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
Application granted granted Critical
Publication of DE69300365D1 publication Critical patent/DE69300365D1/en
Publication of DE69300365T2 publication Critical patent/DE69300365T2/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'

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE1993600365 1992-11-05 1993-10-11 Method and transducer for emitting low-frequency acoustic waves, which is immersed in a liquid without restriction. Expired - Fee Related DE69300365T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9213303A FR2697711B1 (en) 1992-11-05 1992-11-05 Method and transducer for emitting low frequency acoustic waves in a liquid in unlimited immersion.

Publications (2)

Publication Number Publication Date
DE69300365D1 DE69300365D1 (en) 1995-09-14
DE69300365T2 true DE69300365T2 (en) 1996-04-04

Family

ID=9435246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993600365 Expired - Fee Related DE69300365T2 (en) 1992-11-05 1993-10-11 Method and transducer for emitting low-frequency acoustic waves, which is immersed in a liquid without restriction.

Country Status (5)

Country Link
EP (1) EP0596763B1 (en)
CA (1) CA2109466C (en)
DE (1) DE69300365T2 (en)
ES (1) ES2078810T3 (en)
FR (1) FR2697711B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720589B1 (en) * 1994-05-27 1996-07-05 France Etat Armement Method and transducer for emitting wideband and low frequency acoustic waves in unlimited immersion depth.
FR2731128B1 (en) * 1995-02-23 1997-04-11 France Etat METHOD AND TRANSDUCERS UNDERGROUND IN A FLUID FOR THE TRANSMISSION OF LOW FREQUENCY ACOUSTIC WAVES WITH LIGHT PAVILIONS
CN116532349B (en) * 2023-06-07 2024-01-30 中国科学院声学研究所 Composite driving Helmholtz transducer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361033A1 (en) * 1976-08-03 1978-03-03 France Etat PIEZOELECTRIC TRANSDUCERS AND HIGH DEPTH SUBMERSIBLE ACOUSTICAL ANTENNAS
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.
FR2634292B1 (en) * 1988-07-15 1990-10-19 Grosso Gilles METHOD AND DEVICES FOR MAINTAINING THE GAS CONTAINED IN A SUBMERSIBLE PRESSURE BALANCED ENCLOSURE WITH THE OUTSIDE
FR2663182B1 (en) * 1990-06-12 1992-09-18 Grosso Gilles UNDERWATER ELECTRO-ACOUSTIC TRANSDUCER.
FR2665814B1 (en) * 1990-08-10 1993-06-11 Thomson Csf ELECTROACOUSTIC TRANSDUCER INTENDED TO BE UNDERWATER AND INCLUDING A SYSTEM FOR AUTOMATIC COMPENSATING FOR IMMERSION PRESSURE.
FR2673347B1 (en) * 1991-02-22 1993-05-07 Thomson Csf ELECTROACOUSTIC TRANSDUCER WITH OPTIMIZED ACOUSTIC DECOUPLING.

Also Published As

Publication number Publication date
CA2109466A1 (en) 1994-05-06
FR2697711A1 (en) 1994-05-06
DE69300365D1 (en) 1995-09-14
EP0596763B1 (en) 1995-08-09
FR2697711B1 (en) 1994-12-30
EP0596763A1 (en) 1994-05-11
ES2078810T3 (en) 1995-12-16
CA2109466C (en) 2002-01-22

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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