EP0367681A1 - Flexionsgespannter Wandler - Google Patents

Flexionsgespannter Wandler Download PDF

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Publication number
EP0367681A1
EP0367681A1 EP89403032A EP89403032A EP0367681A1 EP 0367681 A1 EP0367681 A1 EP 0367681A1 EP 89403032 A EP89403032 A EP 89403032A EP 89403032 A EP89403032 A EP 89403032A EP 0367681 A1 EP0367681 A1 EP 0367681A1
Authority
EP
European Patent Office
Prior art keywords
shell
pillar
pillars
transducer according
transducer
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.)
Ceased
Application number
EP89403032A
Other languages
English (en)
French (fr)
Inventor
Bernard Tocquet
Michel Letiche
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0367681A1 publication Critical patent/EP0367681A1/de
Ceased legal-status Critical Current

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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
    • 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'

Definitions

  • the present invention relates to a flexuring transducer. It applies to the emission or reception of acoustic waves in liquids.
EP89403032A 1988-11-04 1989-11-03 Flexionsgespannter Wandler Ceased EP0367681A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8814416 1988-11-04
FR8814416A FR2639786B1 (fr) 1988-11-04 1988-11-04 Transducteur flextenseur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP93117557.4 Division-Into 1989-11-03

Publications (1)

Publication Number Publication Date
EP0367681A1 true EP0367681A1 (de) 1990-05-09

Family

ID=9371579

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19930117557 Withdrawn EP0583805A1 (de) 1988-11-04 1989-11-03 Flex eines gespannter Wandler
EP89403032A Ceased EP0367681A1 (de) 1988-11-04 1989-11-03 Flexionsgespannter Wandler

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19930117557 Withdrawn EP0583805A1 (de) 1988-11-04 1989-11-03 Flex eines gespannter Wandler

Country Status (3)

Country Link
US (1) US4970706A (de)
EP (2) EP0583805A1 (de)
FR (1) FR2639786B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017539A1 (en) * 1990-05-09 1991-11-14 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Loading of flextensional transducer shells
FR2663182A1 (fr) * 1990-06-12 1991-12-13 Grosso Gilles Transducteur electro-acoustique immerge.
FR2663805A1 (fr) * 1990-06-26 1991-12-27 Thomson Csf Procede de fabrication d'un element magnetostrictif pour la realisation de transducteurs electro-acoustique et transducteuur electro-acoustique realise a l'aide de tels elements.
FR2672179A1 (fr) * 1991-01-25 1992-07-31 Thomson Csf Transducteur acoustique flextenseur pour immersion profonde.
EP0517978A1 (de) * 1990-05-18 1992-12-16 Texaco Development Corporation Verfahren und Vorrichtung für seismische Untersuchungen zwischen Bohrlöchern
AU692960B2 (en) * 1994-12-23 1998-06-18 Marschall Acoustics Pty Ltd Hydrophone

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688972B1 (fr) * 1988-04-28 1996-10-11 France Etat Armement Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.
US5497357A (en) * 1988-12-23 1996-03-05 Alliedsignal Inc. Shock-resistant flextensional transducer
US5155709A (en) * 1991-07-10 1992-10-13 Raytheon Company Electro-acoustic transducers
US5949741A (en) * 1998-12-21 1999-09-07 The United States Of America As Represented By The Secretary Of The Navy Dual-section push-pull underwater projector
US5926439A (en) * 1998-12-21 1999-07-20 The United States Of America As Represented By The Secretary Of The Navy Flextensional dual-section push-pull underwater projector
US6076630A (en) * 1999-02-04 2000-06-20 Western Atlas International, Inc. Acoustic energy system for marine operations
FR2809580B1 (fr) 2000-05-26 2002-08-30 Thomson Marconi Sonar Sas Transducteur electrodynamique pour acoustique sous-marine
US8088716B2 (en) 2004-06-17 2012-01-03 Exxonmobil Upstream Research Company Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud
WO2007145731A2 (en) 2006-06-07 2007-12-21 Exxonmobil Upstream Research Company Compressible objects combined with a drilling fluid to form a variable density drilling mud
CN100570708C (zh) * 2006-03-17 2009-12-16 中国科学院声学研究所 一种超低频水声换能器
EP2035651A4 (de) 2006-06-07 2009-08-05 Exxonmobil Upstream Res Co Verfahren zur herstellung von komprimierbaren objekten für eine bohrspülung variabler dichte
EP2038364A2 (de) 2006-06-07 2009-03-25 ExxonMobil Upstream Research Company Kompressierbare gegenstände mit teilschauminnenbereichen in kombination mit einer bohrflüssigkeit zur bildung eines bohrschlamms variabler dichte
FR3026569B1 (fr) * 2014-09-26 2017-12-08 Thales Sa Antenne omnidirectionnelle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274538A (en) * 1960-09-19 1966-09-20 Benjamin L Snavely Electroacoustic transducer
US3328751A (en) * 1966-03-28 1967-06-27 Dynamics Corp Massa Div Electroacoustic transducer
FR2361033A1 (fr) * 1976-08-03 1978-03-03 France Etat Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur
EP0215657A2 (de) * 1985-09-12 1987-03-25 British Aerospace Public Limited Company Sonarwandler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR817640A (fr) * 1936-05-14 1937-09-07 J Carpentier Atel Microphone sous-marin spécial pour mouillage à grande profondeur, isolé ou en groupements directifs
US3731266A (en) * 1971-03-25 1973-05-01 Bell Lab Inc Inertia-compensated a.c. biased hydrophone incorporating a porous capacitance transducer
US4409681A (en) * 1979-03-15 1983-10-11 Sanders Associates, Inc. Transducer
US4420826A (en) * 1981-07-06 1983-12-13 Sanders Associates, Inc. Stress relief for flextensional transducer
US4764907A (en) * 1986-04-30 1988-08-16 Allied Corporation Underwater transducer
US4845687A (en) * 1988-05-05 1989-07-04 Edo Corporation, Western Division Flextensional sonar transducer assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274538A (en) * 1960-09-19 1966-09-20 Benjamin L Snavely Electroacoustic transducer
US3328751A (en) * 1966-03-28 1967-06-27 Dynamics Corp Massa Div Electroacoustic transducer
FR2361033A1 (fr) * 1976-08-03 1978-03-03 France Etat Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur
EP0215657A2 (de) * 1985-09-12 1987-03-25 British Aerospace Public Limited Company Sonarwandler

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017539A1 (en) * 1990-05-09 1991-11-14 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Loading of flextensional transducer shells
GB2259224B (en) * 1990-05-09 1994-04-06 Secr Defence Loading of flextensional transducer shells
GB2259224A (en) * 1990-05-09 1993-03-03 Secr Defence Loading of flextensional transducer shells
EP0517978A1 (de) * 1990-05-18 1992-12-16 Texaco Development Corporation Verfahren und Vorrichtung für seismische Untersuchungen zwischen Bohrlöchern
FR2663182A1 (fr) * 1990-06-12 1991-12-13 Grosso Gilles Transducteur electro-acoustique immerge.
EP0462037A1 (de) * 1990-06-12 1991-12-18 Gilles A . Grosso Elektroakustischer Unterwasserwandler
US5130953A (en) * 1990-06-12 1992-07-14 Gilles Grosso Submersible electro-acoustic transducer
FR2663805A1 (fr) * 1990-06-26 1991-12-27 Thomson Csf Procede de fabrication d'un element magnetostrictif pour la realisation de transducteurs electro-acoustique et transducteuur electro-acoustique realise a l'aide de tels elements.
WO1992000612A1 (fr) * 1990-06-26 1992-01-09 Thomson-Csf Procede de fabrication d'un element magnetostrictif
WO1992013338A1 (fr) * 1991-01-25 1992-08-06 Thomson-Csf Transducteur acoustique flextenseur pour immersion profonde
FR2672179A1 (fr) * 1991-01-25 1992-07-31 Thomson Csf Transducteur acoustique flextenseur pour immersion profonde.
US5431058A (en) * 1991-01-25 1995-07-11 Thomson-Csf Flexural strain gauge acoustic transducer for deep submersion
AU692960B2 (en) * 1994-12-23 1998-06-18 Marschall Acoustics Pty Ltd Hydrophone

Also Published As

Publication number Publication date
US4970706A (en) 1990-11-13
FR2639786A1 (fr) 1990-06-01
FR2639786B1 (fr) 1991-07-26
EP0583805A1 (de) 1994-02-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Designated state(s): DE GB IT

17P Request for examination filed

Effective date: 19901026

17Q First examination report despatched

Effective date: 19920630

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THOMSON-CSF

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 19940220