FR2579053B1 - Transducteur acousto-electrique, notamment pour microphones differentiels - Google Patents

Transducteur acousto-electrique, notamment pour microphones differentiels

Info

Publication number
FR2579053B1
FR2579053B1 FR8503872A FR8503872A FR2579053B1 FR 2579053 B1 FR2579053 B1 FR 2579053B1 FR 8503872 A FR8503872 A FR 8503872A FR 8503872 A FR8503872 A FR 8503872A FR 2579053 B1 FR2579053 B1 FR 2579053B1
Authority
FR
France
Prior art keywords
acousto
electric transducer
differential microphones
microphones
differential
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
Application number
FR8503872A
Other languages
English (en)
Other versions
FR2579053A1 (fr
Inventor
Georges Charier
Michel Putois
Monique Mitte
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.)
ELNO EXPLOIT GROUPE
Original Assignee
ELNO EXPLOIT GROUPE
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 ELNO EXPLOIT GROUPE filed Critical ELNO EXPLOIT GROUPE
Priority to FR8503872A priority Critical patent/FR2579053B1/fr
Publication of FR2579053A1 publication Critical patent/FR2579053A1/fr
Application granted granted Critical
Publication of FR2579053B1 publication Critical patent/FR2579053B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR8503872A 1985-03-15 1985-03-15 Transducteur acousto-electrique, notamment pour microphones differentiels Expired FR2579053B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8503872A FR2579053B1 (fr) 1985-03-15 1985-03-15 Transducteur acousto-electrique, notamment pour microphones differentiels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8503872A FR2579053B1 (fr) 1985-03-15 1985-03-15 Transducteur acousto-electrique, notamment pour microphones differentiels

Publications (2)

Publication Number Publication Date
FR2579053A1 FR2579053A1 (fr) 1986-09-19
FR2579053B1 true FR2579053B1 (fr) 1988-04-08

Family

ID=9317249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8503872A Expired FR2579053B1 (fr) 1985-03-15 1985-03-15 Transducteur acousto-electrique, notamment pour microphones differentiels

Country Status (1)

Country Link
FR (1) FR2579053B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2518331A (en) * 1948-05-06 1950-08-08 Bell Telephone Labor Inc Piezoelectric crystal mounting
US3206558A (en) * 1961-09-22 1965-09-14 Erie Technological Prod Inc Microphone
US4006371A (en) * 1973-03-19 1977-02-01 Whitewater Electronics, Inc. Electroacoustical transducer comprising piezoelectric element
JPS5911237B2 (ja) * 1979-08-16 1984-03-14 株式会社精工舎 圧電スピ−カ
FR2531299B1 (fr) * 1982-08-02 1986-07-18 Depaepe Sa Henri Transducteur acousto-electrique, notamment pour microphone piezoelectrique

Also Published As

Publication number Publication date
FR2579053A1 (fr) 1986-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse