FR2656761A1 - Transducteur optoacoustique. - Google Patents

Transducteur optoacoustique. Download PDF

Info

Publication number
FR2656761A1
FR2656761A1 FR9000032A FR9000032A FR2656761A1 FR 2656761 A1 FR2656761 A1 FR 2656761A1 FR 9000032 A FR9000032 A FR 9000032A FR 9000032 A FR9000032 A FR 9000032A FR 2656761 A1 FR2656761 A1 FR 2656761A1
Authority
FR
France
Prior art keywords
cavity
membrane
transducer according
optoacoustic transducer
light
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.)
Granted
Application number
FR9000032A
Other languages
English (en)
French (fr)
Other versions
FR2656761B1 (enrdf_load_stackoverflow
Inventor
Housni Jamal
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.)
Societe Industrielle de Liaisons Electriques SA
Original Assignee
Societe Industrielle de Liaisons Electriques SA
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 Societe Industrielle de Liaisons Electriques SA filed Critical Societe Industrielle de Liaisons Electriques SA
Priority to FR9000032A priority Critical patent/FR2656761A1/fr
Priority to EP90403766A priority patent/EP0436437A1/fr
Publication of FR2656761A1 publication Critical patent/FR2656761A1/fr
Application granted granted Critical
Publication of FR2656761B1 publication Critical patent/FR2656761B1/fr
Granted 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
FR9000032A 1990-01-03 1990-01-03 Transducteur optoacoustique. Granted FR2656761A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9000032A FR2656761A1 (fr) 1990-01-03 1990-01-03 Transducteur optoacoustique.
EP90403766A EP0436437A1 (fr) 1990-01-03 1990-12-26 Transducteur optoacoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000032A FR2656761A1 (fr) 1990-01-03 1990-01-03 Transducteur optoacoustique.

Publications (2)

Publication Number Publication Date
FR2656761A1 true FR2656761A1 (fr) 1991-07-05
FR2656761B1 FR2656761B1 (enrdf_load_stackoverflow) 1997-02-07

Family

ID=9392503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000032A Granted FR2656761A1 (fr) 1990-01-03 1990-01-03 Transducteur optoacoustique.

Country Status (2)

Country Link
EP (1) EP0436437A1 (enrdf_load_stackoverflow)
FR (1) FR2656761A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2688372B1 (fr) * 1992-03-03 1996-01-05 Silec Liaisons Elec Transducteur optoacoustique miniature.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002897A (en) * 1975-09-12 1977-01-11 Bell Telephone Laboratories, Incorporated Opto-acoustic telephone receiver
DE2639822B1 (de) * 1976-09-03 1977-12-08 Siemens Ag Opto-akustischer Wandler
US4590620A (en) * 1985-10-17 1986-05-20 Feldman Nathan W Optical telephone
US4689827A (en) * 1985-10-04 1987-08-25 The United States Of America As Represented By The Secretary Of The Army Photofluidic audio receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002897A (en) * 1975-09-12 1977-01-11 Bell Telephone Laboratories, Incorporated Opto-acoustic telephone receiver
DE2639822B1 (de) * 1976-09-03 1977-12-08 Siemens Ag Opto-akustischer Wandler
US4689827A (en) * 1985-10-04 1987-08-25 The United States Of America As Represented By The Secretary Of The Army Photofluidic audio receiver
US4590620A (en) * 1985-10-17 1986-05-20 Feldman Nathan W Optical telephone

Also Published As

Publication number Publication date
EP0436437A1 (fr) 1991-07-10
FR2656761B1 (enrdf_load_stackoverflow) 1997-02-07

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