FR2500635B1 - - Google Patents

Info

Publication number
FR2500635B1
FR2500635B1 FR8202955A FR8202955A FR2500635B1 FR 2500635 B1 FR2500635 B1 FR 2500635B1 FR 8202955 A FR8202955 A FR 8202955A FR 8202955 A FR8202955 A FR 8202955A FR 2500635 B1 FR2500635 B1 FR 2500635B1
Authority
FR
France
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
Application number
FR8202955A
Other versions
FR2500635A1 (fr
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.)
UK Government
Original Assignee
UK Government
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 UK Government filed Critical UK Government
Publication of FR2500635A1 publication Critical patent/FR2500635A1/fr
Application granted granted Critical
Publication of FR2500635B1 publication Critical patent/FR2500635B1/fr
Granted 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
    • G10K11/008—Arrays of 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
FR8202955A 1981-02-25 1982-02-23 Perfectionnements aux dispositifs acoustiques sous-marins Granted FR2500635A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8105960 1981-02-25

Publications (2)

Publication Number Publication Date
FR2500635A1 FR2500635A1 (fr) 1982-08-27
FR2500635B1 true FR2500635B1 (fr) 1985-03-15

Family

ID=10519962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8202955A Granted FR2500635A1 (fr) 1981-02-25 1982-02-23 Perfectionnements aux dispositifs acoustiques sous-marins

Country Status (4)

Country Link
US (1) US4486869A (fr)
AU (1) AU549338B2 (fr)
CA (1) CA1192652A (fr)
FR (1) FR2500635A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438553A (en) * 1983-08-22 1995-08-01 Raytheon Company Transducer
GB2346757B (en) * 1984-09-12 2001-02-21 Raytheon Co Transducer
FR2603422B1 (fr) * 1986-08-27 1988-12-30 Inst Francais Du Petrole Procede pour realiser des capteurs piezo-electriques continus de sensibilite accrue et capteurs realises suivant le procede
US4825116A (en) * 1987-05-07 1989-04-25 Yokogawa Electric Corporation Transmitter-receiver of ultrasonic distance measuring device
US4833360A (en) * 1987-05-15 1989-05-23 Board Of Regents The University Of Texas System Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation
US5185549A (en) * 1988-12-21 1993-02-09 Steven L. Sullivan Dipole horn piezoelectric electro-acoustic transducer design
FR2664119B1 (fr) * 1990-06-29 1993-06-11 Inst Francais Du Petrole Systeme integre de reception d'ondes acoustiques de grande longueur.
US5550791A (en) * 1995-08-02 1996-08-27 The United States Of America As Represented By The Secretary Of The Navy Composite hydrophone array assembly and shading
AUPN710995A0 (en) * 1995-12-12 1996-01-11 Marschall Acoustics Instruments Pty Ltd Hydrophone and array thereof
AU707446B2 (en) * 1995-12-12 1999-07-08 Marschall Acoustics Pty Ltd Hydrophone and array thereof
US6400065B1 (en) * 1998-03-31 2002-06-04 Measurement Specialties, Inc. Omni-directional ultrasonic transducer apparatus and staking method
US6239535B1 (en) * 1998-03-31 2001-05-29 Measurement Specialties Inc. Omni-directional ultrasonic transducer apparatus having controlled frequency response
US6411014B1 (en) * 2000-05-09 2002-06-25 Measurement Specialties, Inc. Cylindrical transducer apparatus
US8274167B1 (en) * 2010-01-07 2012-09-25 The United States Of America As Represented By The Secretary Of The Navy Apparatus for underwater environmental energy transfer with a long lead zirconate titanate transducer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286227A (en) * 1953-02-20 1966-11-15 Gerard T Aldrich Line hydrophone
US3444511A (en) * 1962-01-02 1969-05-13 Ltv Aerospace Corp Transducer array and erecting means
GB1112755A (en) * 1966-03-25 1968-05-08 Shell Int Research Submersible detector for detecting underwater sounds
US3418624A (en) * 1967-03-27 1968-12-24 Dynamics Corp Massa Div Coaxially mounted line hydrophone
DE1902849C3 (de) * 1968-01-25 1978-06-29 Pioneer Electronic Corp., Tokio Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
US3559162A (en) * 1969-04-14 1971-01-26 Sparton Corp Unitary directional sonar transducer
US3660809A (en) * 1970-06-29 1972-05-02 Whitehall Electronics Corp Pressure sensitive hydrophone
US3757286A (en) * 1970-08-07 1973-09-04 J Richard Apparatus for detecting aquatic animals
JPS4926890B1 (fr) * 1970-12-04 1974-07-12
GB1410822A (en) * 1972-10-05 1975-10-22 Marconi Co Ltd Electroacoustic arrangements
US4183010A (en) * 1975-12-08 1980-01-08 Gte Sylvania Incorporated Pressure compensating coaxial line hydrophone and method
US4376302A (en) * 1978-04-13 1983-03-08 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer hydrophone
JPS5542474A (en) * 1978-09-21 1980-03-25 Nec Corp Polymer piezoelectric vibrator and its manufacture

Also Published As

Publication number Publication date
US4486869A (en) 1984-12-04
FR2500635A1 (fr) 1982-08-27
CA1192652A (fr) 1985-08-27
AU549338B2 (en) 1986-01-23
AU8074682A (en) 1982-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse