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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Piezo-Electric Transducers For Audible Bands (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
CA3164699A1 (en) * 2020-01-21 2021-07-29 Mark WOCHNER 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
EP0657868A1 (fr) 1995-06-14
US5469406A (en) 1995-11-21
CA2137187C (fr) 2003-10-21
EP0657868B1 (fr) 1999-08-11
FR2713430A1 (fr) 1995-06-09
CA2137187A1 (fr) 1995-06-04
ES2135552T3 (es) 1999-11-01
DE69420019D1 (de) 1999-09-16
DE69420019T2 (de) 1999-12-09
FR2713430B1 (fr) 1996-03-08

Similar Documents

Publication Publication Date Title
KR910007380A (ko) 전기 음향 변환기 및 음향 재생 시스템
DE69637458D1 (de) Zerstäubungsvorrichtung und Verfahren die akustische Oberflächenwellen anwenden
DE69613170T2 (de) Akustische Oberflächenwellenanordnungen
DE69516106T2 (de) Akustische Oberflächenwellenanordnung
DK0764387T3 (da) Akustisk transducer
DE69730789D1 (de) Piezoelektrischer elektroakustischer Wandler
DE69614463D1 (de) Akustische Oberflächenwellenanordnung
DE69423128T2 (de) Elektroakustischer Wandler
DE69611771D1 (de) Akustische Oberflächenwellenanordnung
DE69617286D1 (de) Akustische Oberflächenwellenanordnung
NO981444L (no) Akustisk transduser, hydrofon med slik transduser og fremgangsmÕte for fremstilling av hydrofoner
DK0615471T3 (da) Lyd- eller ultralydstransducer
NO944445L (no) Lyddempningsanordning
DK0717272T3 (da) Fremgangsmåde til måling af udbredelseshastigheden af ultrasoniske akustiske bölger gennem klippestykker
DE69632710D1 (de) Akustische oberflächenwellenanordnung
DE69423062T2 (de) Akustische Oberflächenwellenanordnung
NO20002111D0 (no) FremgangsmÕte og anordning for akkustisk ekkokansellering i stereo
DK0657868T3 (da) Fremgangsmåde til udsendelse af meget lavfrekvente og kraftige akustiske bølger (lydbølger) samt dertil hørende transducere
DE69406618T2 (de) Akustische Oberflächenwellenanordnung
DE69401738T2 (de) Verfahren zum Hochleistungsemission von akustischen Wellen und damit übereinstimmende Wandlerhorne
NO305046B1 (no) FremgangsmÕte og lydkilde for frembringelse av akustiske b°lger, samt marin-seismisk system
FR2733838B1 (fr) Emetteur acoustique sous-marin
DE69628128D1 (de) Akustische Oberflächenwellenvorrichtung
DE29622708U1 (de) Kontaktierung eines elektroakustischen Wandlers
NO176639C (no) Elektrisk-akustiske og akustisk-elektriske transdusere for overflatebölgeinnretninger