DK0657868T3 - Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere - Google Patents

Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere

Info

Publication number
DK0657868T3
DK0657868T3 DK94402749T DK94402749T DK0657868T3 DK 0657868 T3 DK0657868 T3 DK 0657868T3 DK 94402749 T DK94402749 T DK 94402749T DK 94402749 T DK94402749 T DK 94402749T DK 0657868 T3 DK0657868 T3 DK 0657868T3
Authority
DK
Denmark
Prior art keywords
emitting
frequency
low
waves
associated transducers
Prior art date
Application number
DK94402749T
Other languages
English (en)
Inventor
Didier Le Saint Michel Boucher
Gilles Grosso
Alain Scarpitta
Original Assignee
France Etat
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 France Etat filed Critical France Etat
Application granted granted Critical
Publication of DK0657868T3 publication Critical patent/DK0657868T3/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/121—Flextensional transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DK94402749T 1993-12-03 1994-12-01 Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere DK0657868T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9314503A FR2713430B1 (fr) 1993-12-03 1993-12-03 Procédé d'émission d'ondes acoustiques très basses fréquences à forte puissance, et transducteurs correspondants.

Publications (1)

Publication Number Publication Date
DK0657868T3 true DK0657868T3 (da) 2000-03-06

Family

ID=9453523

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94402749T DK0657868T3 (da) 1993-12-03 1994-12-01 Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere

Country Status (7)

Country Link
US (1) US5469406A (da)
EP (1) EP0657868B1 (da)
CA (1) CA2137187C (da)
DE (1) DE69420019T2 (da)
DK (1) DK0657868T3 (da)
ES (1) ES2135552T3 (da)
FR (1) FR2713430B1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444005A1 (de) * 1994-12-10 1996-06-20 Stn Atlas Elektronik Gmbh Elektroakustischer Wandler in Flextensional-Technik
US7081699B2 (en) * 2003-03-31 2006-07-25 The Penn State Research Foundation Thermoacoustic piezoelectric generator
EP4094251B1 (en) 2020-01-21 2025-12-17 ADBM Corp. Simultaneously attenuating high-frequencies and amplifying low-frequencies of underwater sounds

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135142A (en) * 1977-08-08 1979-01-16 The United States Of America As Represented By The Secretary Of The Navy Non-linear acoustic transducer
CA1171950A (en) * 1981-12-22 1984-07-31 Garfield W. Mcmahon Underwater transducer with depth compensation
US4853905A (en) * 1988-02-05 1989-08-01 Conoco Inc. Seal for marine seismic source
FR2634292B1 (fr) * 1988-07-15 1990-10-19 Grosso Gilles Procede et dispositifs pour maintenir le gaz contenu dans une enceinte immergee en equilibre de pression avec l'exterieur
GB8823245D0 (en) * 1988-10-04 1989-04-19 British Aerospace Flextensional transducer
GB2237477A (en) * 1989-10-06 1991-05-01 British Aerospace Sonar transducer
US5223570A (en) * 1990-02-07 1993-06-29 Basf Corporation Method for the preparation of graft polymer dispersions having broad particle size distribution without wildly fluctuating viscosities
FR2665814B1 (fr) * 1990-08-10 1993-06-11 Thomson Csf Transducteur electroacoustique destine a etre immerge et comportant un systeme de compensation automatique de la pression d'immersion.
FR2671927B1 (fr) * 1991-01-22 1995-10-06 France Etat Armement Transducteurs electro-acoustiques directifs et procedes et dispositifs de fabrication.
US5268879A (en) * 1991-12-03 1993-12-07 Raytheon Company Electro-acostic transducers
US5224074A (en) * 1992-07-08 1993-06-29 The United States Of America As Represented By The Secretary Of The Navy Sonobuoy for forming virtual vertical sensing arrays

Also Published As

Publication number Publication date
EP0657868B1 (fr) 1999-08-11
EP0657868A1 (fr) 1995-06-14
FR2713430A1 (fr) 1995-06-09
US5469406A (en) 1995-11-21
CA2137187C (fr) 2003-10-21
CA2137187A1 (fr) 1995-06-04
DE69420019D1 (de) 1999-09-16
ES2135552T3 (es) 1999-11-01
DE69420019T2 (de) 1999-12-09
FR2713430B1 (fr) 1996-03-08

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