DE69010172D1 - Verfahren zur Vermögenserhöhung von elektroakustischen Tieffrequenzwandlern und damit übereinstimmende Wandler. - Google Patents

Verfahren zur Vermögenserhöhung von elektroakustischen Tieffrequenzwandlern und damit übereinstimmende Wandler.

Info

Publication number
DE69010172D1
DE69010172D1 DE69010172T DE69010172T DE69010172D1 DE 69010172 D1 DE69010172 D1 DE 69010172D1 DE 69010172 T DE69010172 T DE 69010172T DE 69010172 T DE69010172 T DE 69010172T DE 69010172 D1 DE69010172 D1 DE 69010172D1
Authority
DE
Germany
Prior art keywords
converters
electroacoustic
assets
procedure
increasing
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
DE69010172T
Other languages
English (en)
Other versions
DE69010172T2 (de
Inventor
Didier M Boucher
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
Etat Francais
Original Assignee
Direction General pour lArmement DGA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9388246&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69010172(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Direction General pour lArmement DGA, Etat Francais filed Critical Direction General pour lArmement DGA
Publication of DE69010172D1 publication Critical patent/DE69010172D1/de
Application granted granted Critical
Publication of DE69010172T2 publication Critical patent/DE69010172T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
    • H10N30/057—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by stacking bulk piezoelectric or electrostrictive bodies and electrodes
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H10N30/503—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view
    • H10N30/505—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view the cross-section being annular

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Detergent Compositions (AREA)
DE69010172T 1989-12-07 1990-12-07 Verfahren zur Vermögenserhöhung von elektroakustischen Tieffrequenzwandlern und damit übereinstimmende Wandler. Expired - Fee Related DE69010172T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916172A FR2655803B1 (fr) 1989-12-07 1989-12-07 Procedes pour augmenter la puissance des transducteurs electro-acoustiques a basse frequence et transducteurs correspondants.

Publications (2)

Publication Number Publication Date
DE69010172D1 true DE69010172D1 (de) 1994-07-28
DE69010172T2 DE69010172T2 (de) 1994-11-17

Family

ID=9388246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010172T Expired - Fee Related DE69010172T2 (de) 1989-12-07 1990-12-07 Verfahren zur Vermögenserhöhung von elektroakustischen Tieffrequenzwandlern und damit übereinstimmende Wandler.

Country Status (5)

Country Link
US (1) US5070486A (de)
EP (1) EP0434493B1 (de)
CA (1) CA2031697A1 (de)
DE (1) DE69010172T2 (de)
FR (1) FR2655803B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO176457C (no) * 1993-03-15 1995-04-05 Pgs Seres As Drivenhet for akustiske sendere
US5743862A (en) * 1994-09-19 1998-04-28 Kabushiki Kaisha Toshiba Ultrasonic medical treatment apparatus
NO301354B1 (no) * 1994-11-02 1997-10-13 Petroleum Geo Services As Akustisk kildeanordning
DE19650900A1 (de) * 1996-12-07 1998-06-10 Bosch Gmbh Robert Piezoelektrischer Aktuator
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
JP5123491B2 (ja) * 2005-06-10 2013-01-23 日本碍子株式会社 積層型圧電／電歪素子
RU2301329C2 (ru) * 2005-11-28 2007-06-20 Закрытое акционерное общество "ИНЕФ" Прибор акустический скважинный
CN103370804A (zh) * 2011-04-05 2013-10-23 本田技研工业株式会社 层叠压电体
RU168468U1 (ru) * 2016-11-29 2017-02-06 Закрытое акционерное общество "Руспром" Приемный гидрофон
CN110619863A (zh) * 2019-09-19 2019-12-27 陕西师范大学 一种低频窄波束水声换能器
US11678112B2 (en) 2020-04-30 2023-06-13 Massachusetts Institute Of Technology Underwater transducer for wide-band communication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988728A (en) * 1953-07-06 1961-06-13 United Geophysical Corp Piezoelectric hydrophone
US3183378A (en) * 1960-01-11 1965-05-11 Detrex Chem Ind Sandwich transducer
AT269514B (de) * 1966-07-12 1969-03-25 Piezoelektrischer Meßwandler
US4894811A (en) * 1987-05-18 1990-01-16 Raytheon Company Outboard-driven flextensional transducer

Also Published As

Publication number Publication date
FR2655803A1 (fr) 1991-06-14
EP0434493A1 (de) 1991-06-26
CA2031697A1 (fr) 1991-06-08
FR2655803B1 (fr) 1992-01-31
US5070486A (en) 1991-12-03
DE69010172T2 (de) 1994-11-17
EP0434493B1 (de) 1994-06-22

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee