FR2512951B1 - - Google Patents

Info

Publication number
FR2512951B1
FR2512951B1 FR8117423A FR8117423A FR2512951B1 FR 2512951 B1 FR2512951 B1 FR 2512951B1 FR 8117423 A FR8117423 A FR 8117423A FR 8117423 A FR8117423 A FR 8117423A FR 2512951 B1 FR2512951 B1 FR 2512951B1
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
FR8117423A
Other languages
French (fr)
Other versions
FR2512951A1 (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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8117423A priority Critical patent/FR2512951A1/fr
Publication of FR2512951A1 publication Critical patent/FR2512951A1/fr
Application granted granted Critical
Publication of FR2512951B1 publication Critical patent/FR2512951B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/315—Digital deflection, i.e. optical switching based on the use of controlled internal reflection
    • 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)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
FR8117423A 1981-09-15 1981-09-15 Transducteur optique de force et microphone comprenant un tel transducteur Granted FR2512951A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8117423A FR2512951A1 (fr) 1981-09-15 1981-09-15 Transducteur optique de force et microphone comprenant un tel transducteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8117423A FR2512951A1 (fr) 1981-09-15 1981-09-15 Transducteur optique de force et microphone comprenant un tel transducteur

Publications (2)

Publication Number Publication Date
FR2512951A1 FR2512951A1 (fr) 1983-03-18
FR2512951B1 true FR2512951B1 (OSRAM) 1984-03-02

Family

ID=9262158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117423A Granted FR2512951A1 (fr) 1981-09-15 1981-09-15 Transducteur optique de force et microphone comprenant un tel transducteur

Country Status (1)

Country Link
FR (1) FR2512951A1 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657700A1 (fr) * 1990-01-26 1991-08-02 Thomson Csf Modulateur electrooptique spatial et applications.
FR2685961B1 (fr) * 1992-01-06 1994-03-11 Liaisons Electriques Ste Indle Capteur optique de vibrations.
DE10314731A1 (de) * 2003-03-31 2004-10-28 Sennheiser Electronic Gmbh & Co. Kg Sensor bzw. Mikrofon mit einem solchen Sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443098A (en) * 1965-10-21 1969-05-06 Radiation Inc Electrostatically controlled light modulator
US3649105A (en) * 1968-02-21 1972-03-14 North American Rockwell Optical shutter
US3552825A (en) * 1969-03-28 1971-01-05 Ibm Variable digital light deflector
DE2834317A1 (de) * 1978-08-04 1980-02-28 Siemens Ag Akusto-optischer modulator zur modulation der lichtintensitaet

Also Published As

Publication number Publication date
FR2512951A1 (fr) 1983-03-18

Similar Documents

Publication Publication Date Title
FR2500460B1 (OSRAM)
FR2499315B1 (OSRAM)
FR2500161B1 (OSRAM)
FR2501496B1 (OSRAM)
FR2501686B1 (OSRAM)
FR2501267B1 (OSRAM)
FR2501963B1 (OSRAM)
FR2498340B1 (OSRAM)
FR2499734B1 (OSRAM)
FR2497964B1 (OSRAM)
DE3249562A1 (OSRAM)
FR2502158B1 (OSRAM)
FR2498845B3 (OSRAM)
FR2500776B1 (OSRAM)
FR2497639B1 (OSRAM)
FR2498656B1 (OSRAM)
FR2500434B1 (OSRAM)
FR2500958B1 (OSRAM)
CH655687B (OSRAM)
FR2500660B1 (OSRAM)
FR2497683B1 (OSRAM)
FR2499073B1 (OSRAM)
FR2500395B3 (OSRAM)
FR2497909B1 (OSRAM)
FR2501773B3 (OSRAM)

Legal Events

Date Code Title Description
ST Notification of lapse