FR2688972B1 - Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche. - Google Patents

Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.

Info

Publication number
FR2688972B1
FR2688972B1 FR8805661A FR8805661A FR2688972B1 FR 2688972 B1 FR2688972 B1 FR 2688972B1 FR 8805661 A FR8805661 A FR 8805661A FR 8805661 A FR8805661 A FR 8805661A FR 2688972 B1 FR2688972 B1 FR 2688972B1
Authority
FR
France
Prior art keywords
waterproof
electro
flexible
acoustic transducers
transmitting shell
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
FR8805661A
Other languages
English (en)
Other versions
FR2688972A1 (fr
Inventor
Didier Boucher
Charles Pohlenz
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 FR8805661A priority Critical patent/FR2688972B1/fr
Priority to NL8900961A priority patent/NL8900961A/nl
Priority to IT8920230A priority patent/IT1237007B/it
Priority to GB8909402A priority patent/GB2264420B/en
Priority to DE3914141A priority patent/DE3914141C2/de
Priority to US07/360,945 priority patent/US5515343A/en
Priority to SE9101426A priority patent/SE470247B/sv
Publication of FR2688972A1 publication Critical patent/FR2688972A1/fr
Application granted granted Critical
Publication of FR2688972B1 publication Critical patent/FR2688972B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8805661A 1988-04-28 1988-04-28 Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche. Expired - Fee Related FR2688972B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8805661A FR2688972B1 (fr) 1988-04-28 1988-04-28 Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.
NL8900961A NL8900961A (nl) 1988-04-28 1989-04-18 Elektro-acoustische omzetter met een buigzame en dichte uitzendende schaal.
IT8920230A IT1237007B (it) 1988-04-28 1989-04-21 Trasduttori elettroacustici comportanti un guscio emettitore flessibile e stagno
GB8909402A GB2264420B (en) 1988-04-28 1989-04-25 Electro-acoustic transducers comprising a flexible and sealed transmitting shell
DE3914141A DE3914141C2 (de) 1988-04-28 1989-04-28 Elektroakustischer Wandler mit einer flexiblen und dichten abstrahlenden Schale
US07/360,945 US5515343A (en) 1988-04-28 1989-04-28 Electro-acoustic transducers comprising a flexible and sealed transmitting shell
SE9101426A SE470247B (sv) 1988-04-28 1991-05-13 Elektroakustisk omvandlare innefattande en flexibel och tätad sändande kapsel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8805661A FR2688972B1 (fr) 1988-04-28 1988-04-28 Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.

Publications (2)

Publication Number Publication Date
FR2688972A1 FR2688972A1 (fr) 1993-09-24
FR2688972B1 true FR2688972B1 (fr) 1996-10-11

Family

ID=9365772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8805661A Expired - Fee Related FR2688972B1 (fr) 1988-04-28 1988-04-28 Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.

Country Status (7)

Country Link
US (1) US5515343A (fr)
DE (1) DE3914141C2 (fr)
FR (1) FR2688972B1 (fr)
GB (1) GB2264420B (fr)
IT (1) IT1237007B (fr)
NL (1) NL8900961A (fr)
SE (1) SE470247B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO303472B1 (no) * 1996-04-30 1998-07-13 Unaco Systems Ab Akustisk sender
NO961765L (no) * 1996-04-30 1997-10-31 Unaco Systems Ab Akustisk sender II
US5894451A (en) * 1997-10-21 1999-04-13 The United States Of America As Represented By The Secretary Of The Navy Impulsive snap-through acoustic pulse generator
US6298012B1 (en) * 1999-10-04 2001-10-02 The United States Of America As Represented By The Secretary Of The Navy Doubly resonant push-pull flextensional
US7551518B1 (en) * 2008-02-26 2009-06-23 Pgs Geophysical As Driving means for acoustic marine vibrator
US8188638B2 (en) * 2009-07-27 2012-05-29 The United States Of America As Represented By The Secretary Of The Navy Cooling acoustic transducer with heat pipes
US11931776B2 (en) 2018-12-26 2024-03-19 Industrial Technology Research Institute Actuator, method for manufacturing the actuator, and acoustic transmitter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274537A (en) * 1963-10-17 1966-09-20 William J Toulis Flexural-extensional electro-mechanical transducer
US3541502A (en) * 1969-01-03 1970-11-17 Us Navy Deep submergence transducer
US3974474A (en) * 1973-06-04 1976-08-10 General Electric Company Underwater electroacoustic transducer construction
US4072871A (en) * 1974-05-20 1978-02-07 Westinghouse Electric Corp. Electroacoustic transducer
EP0209238A3 (fr) * 1985-06-14 1989-03-08 Gould Inc. Transducteur acoustique à double piston dont on peut choisir la directivité
DE3669822D1 (de) * 1985-09-12 1990-04-26 British Aerospace Sonarwandler.
WO1987005773A1 (fr) * 1986-03-19 1987-09-24 The Secretary Of State For Defence In Her Britanni Transducteurs flexionnels a precontrainte
JP2534087B2 (ja) * 1986-03-19 1996-09-11 イギリス国 ソナ―変換器
US4764907A (en) * 1986-04-30 1988-08-16 Allied Corporation Underwater transducer
US4845688A (en) * 1988-03-21 1989-07-04 Image Acoustics, Inc. Electro-mechanical transduction apparatus
FR2639786B1 (fr) * 1988-11-04 1991-07-26 Thomson Csf Transducteur flextenseur

Also Published As

Publication number Publication date
DE3914141A1 (de) 1993-10-21
IT1237007B (it) 1993-05-13
FR2688972A1 (fr) 1993-09-24
GB2264420A (en) 1993-08-25
IT8920230A0 (it) 1989-04-21
SE9101426L (sv) 1993-08-13
DE3914141C2 (de) 1998-10-08
US5515343A (en) 1996-05-07
GB8909402D0 (en) 1993-05-26
NL8900961A (nl) 1992-12-01
SE470247B (sv) 1993-12-13
GB2264420B (en) 1994-01-19

Similar Documents

Publication Publication Date Title
GB2220819B (en) Electroacoustic transducer
DE68914268T2 (de) Elektroakustischer Wandler.
DE3853837D1 (de) Elektroakustischer Wandler.
IT1235460B (it) Endoscopio flessibile.
FR2634857B1 (fr) Tuyau enroule flexible raccordable
NO891123L (no) Transduser.
FR2663182B1 (fr) Transducteur electro-acoustique immerge.
DE58901303D1 (de) Huellrohr.
FR2639786B1 (fr) Transducteur flextenseur
GB2263842B (en) Electro-acoustic transducers comprising a sealed shell
FR2688972B1 (fr) Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.
IT8819101A0 (it) Dispositivo trasduttore perfezionato.
GB2216751B (en) An underwater transducer
GB2215049B (en) Acoustic devices
GB8823245D0 (en) Flextensional transducer
FI880789A (fi) Flexibel behaollare.
BR8901593A (pt) Transdutor
NO891803L (no) Fleksibel roerledning.
DE58908955D1 (de) Elektroakustischer Wandler.
GB8621897D0 (en) Electroacoustic transducer arrangement
GB8826004D0 (en) Underwater acoustic sensor
IT8921976A0 (it) Disposizione trasmittente
FR2613894B1 (fr) Transducteur electroacoustique
PL276224A2 (en) Piezoelectric electroacoustic transducer
BR8806318A (pt) Sifao flexivel universal

Legal Events

Date Code Title Description
ST Notification of lapse