FR2531299B1 - Transducteur acousto-electrique, notamment pour microphone piezoelectrique - Google Patents

Transducteur acousto-electrique, notamment pour microphone piezoelectrique

Info

Publication number
FR2531299B1
FR2531299B1 FR8213479A FR8213479A FR2531299B1 FR 2531299 B1 FR2531299 B1 FR 2531299B1 FR 8213479 A FR8213479 A FR 8213479A FR 8213479 A FR8213479 A FR 8213479A FR 2531299 B1 FR2531299 B1 FR 2531299B1
Authority
FR
France
Prior art keywords
acousto
electric transducer
piezoelectric microphone
piezoelectric
microphone
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
FR8213479A
Other languages
English (en)
Other versions
FR2531299A1 (fr
Inventor
Jean-Francois Depaepe
Georges Charier
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.)
Depaepe SA Henri
Original Assignee
Depaepe SA Henri
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 Depaepe SA Henri filed Critical Depaepe SA Henri
Priority to FR8213479A priority Critical patent/FR2531299B1/fr
Publication of FR2531299A1 publication Critical patent/FR2531299A1/fr
Application granted granted Critical
Publication of FR2531299B1 publication Critical patent/FR2531299B1/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
    • H04R17/02—Microphones
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • 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)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8213479A 1982-08-02 1982-08-02 Transducteur acousto-electrique, notamment pour microphone piezoelectrique Expired FR2531299B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8213479A FR2531299B1 (fr) 1982-08-02 1982-08-02 Transducteur acousto-electrique, notamment pour microphone piezoelectrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8213479A FR2531299B1 (fr) 1982-08-02 1982-08-02 Transducteur acousto-electrique, notamment pour microphone piezoelectrique

Publications (2)

Publication Number Publication Date
FR2531299A1 FR2531299A1 (fr) 1984-02-03
FR2531299B1 true FR2531299B1 (fr) 1986-07-18

Family

ID=9276547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8213479A Expired FR2531299B1 (fr) 1982-08-02 1982-08-02 Transducteur acousto-electrique, notamment pour microphone piezoelectrique

Country Status (1)

Country Link
FR (1) FR2531299B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2579053B1 (fr) * 1985-03-15 1988-04-08 Elno Exploit Groupe Transducteur acousto-electrique, notamment pour microphones differentiels
CN112509542A (zh) * 2020-11-20 2021-03-16 山东省科学院海洋仪器仪表研究所 一种水声换能器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2399513A (en) * 1942-06-27 1946-04-30 Brush Dev Co Piezoelectric transducer
US2517138A (en) * 1944-06-29 1950-08-01 Rca Corp Immersible electrodynamic loud-speaker
US2506608A (en) * 1947-07-23 1950-05-09 Kenneth W Mcload Piezoelectric transducer
US2787671A (en) * 1952-10-06 1957-04-02 Schall Technik Dr Ing Karl Sch Microphone arrangement
FR1312773A (fr) * 1961-03-09 1962-12-21 Siemens Ag Dispositif pour transformer des vibrations mécaniques en oscillations électriques
FR1516687A (fr) * 1966-03-26 1968-03-08 Philips Nv Microphone électrodynamique
US3539735A (en) * 1967-04-28 1970-11-10 Roanwell Corp Sintered transducer housing providing acoustical resistance and waterproofing
GB1234218A (fr) * 1968-07-29 1971-06-03
US3660602A (en) * 1970-06-01 1972-05-02 Conrac Corp Microphone cartridge with amplifier
DE2130887B1 (de) * 1971-06-22 1972-09-07 Willco Hoergeraete Med Appbau Richtmikrophon fuer am Kopf zu tragende Kleinhoergeraete
DD99282A1 (fr) * 1971-12-02 1973-07-20
DE2709593C3 (de) * 1977-03-03 1980-12-11 Holmberg & Co, 1000 Berlin In einem Mikrofon oder Funksprechgerät angeordneter Schallwandler

Also Published As

Publication number Publication date
FR2531299A1 (fr) 1984-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse