FR2685961B1 - Capteur optique de vibrations. - Google Patents

Capteur optique de vibrations.

Info

Publication number
FR2685961B1
FR2685961B1 FR9200037A FR9200037A FR2685961B1 FR 2685961 B1 FR2685961 B1 FR 2685961B1 FR 9200037 A FR9200037 A FR 9200037A FR 9200037 A FR9200037 A FR 9200037A FR 2685961 B1 FR2685961 B1 FR 2685961B1
Authority
FR
France
Prior art keywords
vibration sensor
optical vibration
optical
sensor
vibration
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
FR9200037A
Other languages
English (en)
Other versions
FR2685961A1 (fr
Inventor
Jamal Housni
Fleurieu Bruno De
Michel Taveau
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.)
LIAISONS ELECTRIQUES STE INDLE
Original Assignee
LIAISONS ELECTRIQUES STE INDLE
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 LIAISONS ELECTRIQUES STE INDLE filed Critical LIAISONS ELECTRIQUES STE INDLE
Priority to FR9200037A priority Critical patent/FR2685961B1/fr
Priority to PCT/FR1993/000003 priority patent/WO1993014609A1/fr
Publication of FR2685961A1 publication Critical patent/FR2685961A1/fr
Application granted granted Critical
Publication of FR2685961B1 publication Critical patent/FR2685961B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0016—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a diaphragm
    • G01L9/0017—Optical excitation or measuring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR9200037A 1992-01-06 1992-01-06 Capteur optique de vibrations. Expired - Fee Related FR2685961B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9200037A FR2685961B1 (fr) 1992-01-06 1992-01-06 Capteur optique de vibrations.
PCT/FR1993/000003 WO1993014609A1 (fr) 1992-01-06 1993-01-05 Capteur optique de vibrations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9200037A FR2685961B1 (fr) 1992-01-06 1992-01-06 Capteur optique de vibrations.

Publications (2)

Publication Number Publication Date
FR2685961A1 FR2685961A1 (fr) 1993-07-09
FR2685961B1 true FR2685961B1 (fr) 1994-03-11

Family

ID=9425400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9200037A Expired - Fee Related FR2685961B1 (fr) 1992-01-06 1992-01-06 Capteur optique de vibrations.

Country Status (2)

Country Link
FR (1) FR2685961B1 (fr)
WO (1) WO1993014609A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002089523A1 (fr) * 2001-04-26 2002-11-07 Koninklijke Philips Electronics N.V. Dispositif de detection des fluctuations de la pression, dispositif d'affichage, dispositif d'enregistrement et de reproduction des sons
US20150108334A1 (en) * 2013-10-21 2015-04-23 Mao-Jen Wu Optical Sensor Module
CN114623917A (zh) * 2022-02-28 2022-06-14 浙江大学 一种采用锥台形膜片的低通滤波光纤光栅水听器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB362561A (en) * 1930-09-26 1931-12-10 Adolf Weghofer Improvements in or relating to microphones
US4310905A (en) * 1980-02-20 1982-01-12 General Dynamics, Pomona Division Acoustical modulator for fiber optic transmission
GB2079932A (en) * 1980-07-08 1982-01-27 Standard Telephones Cables Ltd Opto-electronic microphone
FR2512951A1 (fr) * 1981-09-15 1983-03-18 Thomson Csf Transducteur optique de force et microphone comprenant un tel transducteur
JPS60220700A (ja) * 1984-04-18 1985-11-05 Gunjirou Terajima マイクロフオン

Also Published As

Publication number Publication date
FR2685961A1 (fr) 1993-07-09
WO1993014609A1 (fr) 1993-07-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20081029