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FR2697711B1 - Method and transducer for emitting low frequency acoustic waves in a liquid in unlimited immersion. - Google Patents

Method and transducer for emitting low frequency acoustic waves in a liquid in unlimited immersion.

Info

Publication number
FR2697711B1
FR2697711B1 FR9213303A FR9213303A FR2697711B1 FR 2697711 B1 FR2697711 B1 FR 2697711B1 FR 9213303 A FR9213303 A FR 9213303A FR 9213303 A FR9213303 A FR 9213303A FR 2697711 B1 FR2697711 B1 FR 2697711B1
Authority
FR
France
Prior art keywords
transducer
liquid
low frequency
acoustic waves
frequency 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
FR9213303A
Other languages
French (fr)
Other versions
FR2697711A1 (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
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 FR9213303A priority Critical patent/FR2697711B1/en
Priority to EP19930402496 priority patent/EP0596763B1/en
Priority to DE1993600365 priority patent/DE69300365T2/en
Priority to ES93402496T priority patent/ES2078810T3/en
Priority to CA 2109466 priority patent/CA2109466C/en
Publication of FR2697711A1 publication Critical patent/FR2697711A1/en
Application granted granted Critical
Publication of FR2697711B1 publication Critical patent/FR2697711B1/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)
FR9213303A 1992-11-05 1992-11-05 Method and transducer for emitting low frequency acoustic waves in a liquid in unlimited immersion. Expired - Fee Related FR2697711B1 (en)

Priority Applications (5)

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.
EP19930402496 EP0596763B1 (en) 1992-11-05 1993-10-11 Process and transducer for emitting low-frequency acoustic waves immersed without restriction in a liquid
DE1993600365 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.
ES93402496T ES2078810T3 (en) 1992-11-05 1993-10-11 PROCEDURE AND TRANSDUCER TO EMIT LOW FREQUENCY ACOUSTIC WAVES IN A LIQUID IN UNLIMITED IMMERSION.
CA 2109466 CA2109466C (en) 1992-11-05 1993-10-28 Method and transducers for transmitting low frequency acoustic waves in a liquid

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
FR2697711A1 FR2697711A1 (en) 1994-05-06
FR2697711B1 true FR2697711B1 (en) 1994-12-30

Family

ID=9435246

Family Applications (1)

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

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 Compound driven 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
FR2697711A1 (en) 1994-05-06
EP0596763B1 (en) 1995-08-09
DE69300365D1 (en) 1995-09-14
DE69300365T2 (en) 1996-04-04
EP0596763A1 (en) 1994-05-11
CA2109466A1 (en) 1994-05-06
ES2078810T3 (en) 1995-12-16
CA2109466C (en) 2002-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080930