FR2302656B1 - - Google Patents

Info

Publication number
FR2302656B1
FR2302656B1 FR7506080A FR7506080A FR2302656B1 FR 2302656 B1 FR2302656 B1 FR 2302656B1 FR 7506080 A FR7506080 A FR 7506080A FR 7506080 A FR7506080 A FR 7506080A FR 2302656 B1 FR2302656 B1 FR 2302656B1
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
FR7506080A
Other versions
FR2302656A1 (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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7506080A priority Critical patent/FR2302656A1/fr
Priority to DE19762606951 priority patent/DE2606951A1/de
Priority to GB772676A priority patent/GB1513530A/en
Publication of FR2302656A1 publication Critical patent/FR2302656A1/fr
Application granted granted Critical
Publication of FR2302656B1 publication Critical patent/FR2302656B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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'
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR7506080A 1975-02-27 1975-02-27 Transducteur piezoelectrique pour basses frequences Granted FR2302656A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7506080A FR2302656A1 (fr) 1975-02-27 1975-02-27 Transducteur piezoelectrique pour basses frequences
DE19762606951 DE2606951A1 (de) 1975-02-27 1976-02-20 Piezoelektrischer wandler
GB772676A GB1513530A (en) 1975-02-27 1976-02-26 Piezoelectric transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7506080A FR2302656A1 (fr) 1975-02-27 1975-02-27 Transducteur piezoelectrique pour basses frequences

Publications (2)

Publication Number Publication Date
FR2302656A1 FR2302656A1 (fr) 1976-09-24
FR2302656B1 true FR2302656B1 (fr) 1978-09-29

Family

ID=9151797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506080A Granted FR2302656A1 (fr) 1975-02-27 1975-02-27 Transducteur piezoelectrique pour basses frequences

Country Status (3)

Country Link
DE (1) DE2606951A1 (fr)
FR (1) FR2302656A1 (fr)
GB (1) GB1513530A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161672A (en) * 1981-03-31 1982-10-05 Fujitsu Ltd Measuring method utilizing ultrasonic wave
DE3306801A1 (de) * 1983-02-26 1984-09-06 Rainer J. 5000 Köln Haas Kugelfoermiger hochtonlautsprecher mit piezoelektrischern antrieb
FR2570916B1 (fr) * 1983-06-23 1988-04-15 France Etat Armement Procede et transducteur electro-acoustique pour emettre ou recevoir des ondes acoustiques dans plusieurs bandes passantes
EP0209238A3 (fr) * 1985-06-14 1989-03-08 Gould Inc. Transducteur acoustique à double piston dont on peut choisir la directivité
US4996674A (en) * 1985-06-14 1991-02-26 Westinghouse Electric Corp. Double piston acoustic transducer with selectable directivity
FR2688112B1 (fr) * 1988-04-28 1996-10-11 France Etat Armement Transducteurs electro-acoustiques directifs comportant une coque etanche en deux parties.
FR2665998B1 (fr) * 1988-05-05 1993-10-29 Etat Francais Delegue Armement Procedes et transducteurs electro-acoustiques pour emettre des ondes acoustiques a basse frequence dans un liquide.
US4858205A (en) * 1988-08-24 1989-08-15 Halliburton Geophysical Services, Inc. Multi-barrel air gun module
FR2664118A1 (fr) * 1990-06-29 1992-01-03 Thomson Csf Transducteur acoustique bi-frequence et son utilisation pour la realisation d'une antenne acoustique basse-frequence.
EP0684085A1 (fr) * 1994-05-26 1995-11-29 ETAT FRANCAIS Représenté par le Délégué Général pour l'Armement Antenne sonar ouverte comportant des transducteurs électro-acoustiques
FR2728425B1 (fr) * 1994-12-15 1997-01-31 France Etat Armement Antenne lineaire electroacoustique d'emission et antenne d'emission/reception comprenant une telle antenne
US6438070B1 (en) * 1999-10-04 2002-08-20 Halliburton Energy Services, Inc. Hydrophone for use in a downhole tool
DE10031847A1 (de) * 2000-07-04 2002-01-24 Krohne Messtechnik Kg Ultraschallwandler
FR2818754B1 (fr) * 2000-12-21 2004-06-18 Inst Francais Du Petrole Dispositif pour engendrer des ondes elastiques focalisees dans un milieu materiel tel que le sous-sol, et methode pour sa mise en oeuvre
JP5387293B2 (ja) * 2009-09-29 2014-01-15 日本電気株式会社 音響トランスデューサ
JP6353224B2 (ja) * 2013-12-27 2018-07-04 古野電気株式会社 超音波送受波器、水中探知装置、及び超音波送受波器の製造方法
CN115532570A (zh) * 2021-06-30 2022-12-30 中国科学院声学研究所 一种深水无指向性换能器

Also Published As

Publication number Publication date
GB1513530A (en) 1978-06-07
DE2606951A1 (de) 1976-09-09
FR2302656A1 (fr) 1976-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse