FR2725025B1 - Tachymetre magneto-optique - Google Patents

Tachymetre magneto-optique

Info

Publication number
FR2725025B1
FR2725025B1 FR9411310A FR9411310A FR2725025B1 FR 2725025 B1 FR2725025 B1 FR 2725025B1 FR 9411310 A FR9411310 A FR 9411310A FR 9411310 A FR9411310 A FR 9411310A FR 2725025 B1 FR2725025 B1 FR 2725025B1
Authority
FR
France
Prior art keywords
magneto
optical tachometer
tachometer
optical
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
FR9411310A
Other languages
English (en)
Other versions
FR2725025A1 (fr
Inventor
Jean Marc Breda
Philippe Roberge
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 Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Priority to FR9411310A priority Critical patent/FR2725025B1/fr
Priority to PCT/FR1995/001221 priority patent/WO1996009555A1/fr
Publication of FR2725025A1 publication Critical patent/FR2725025A1/fr
Application granted granted Critical
Publication of FR2725025B1 publication Critical patent/FR2725025B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 intensity, phase, polarisation or colour 
    • G02F1/09Devices 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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
FR9411310A 1994-09-22 1994-09-22 Tachymetre magneto-optique Expired - Fee Related FR2725025B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9411310A FR2725025B1 (fr) 1994-09-22 1994-09-22 Tachymetre magneto-optique
PCT/FR1995/001221 WO1996009555A1 (fr) 1994-09-22 1995-09-22 Tachymetre magneto-optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9411310A FR2725025B1 (fr) 1994-09-22 1994-09-22 Tachymetre magneto-optique

Publications (2)

Publication Number Publication Date
FR2725025A1 FR2725025A1 (fr) 1996-03-29
FR2725025B1 true FR2725025B1 (fr) 1997-01-17

Family

ID=9467170

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9411310A Expired - Fee Related FR2725025B1 (fr) 1994-09-22 1994-09-22 Tachymetre magneto-optique

Country Status (2)

Country Link
FR (1) FR2725025B1 (fr)
WO (1) WO1996009555A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1151701A (ja) * 1997-08-08 1999-02-26 Teijin Seiki Co Ltd 光磁気変調装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2647818C2 (de) * 1976-10-22 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Abgabe eines elektrischen Signales
DE3639908C1 (en) * 1986-11-22 1987-10-15 Daimler Benz Ag Device for indirectly electrically measuring a mechanical quantity on a moving object to be sensed
US4843232A (en) * 1987-12-28 1989-06-27 Allied-Signal Inc. Optic switch and speed sensor
US4947035A (en) * 1988-08-08 1990-08-07 Cornell Research Foundation, Inc. Fiber optic transducer using faraday effect
US5038102A (en) * 1988-12-27 1991-08-06 Amespace, Inc. Speed sensor utilizing magneto-optics switch actuated by magnetic field rotation

Also Published As

Publication number Publication date
WO1996009555A1 (fr) 1996-03-28
FR2725025A1 (fr) 1996-03-29

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Legal Events

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CL Concession to grant licenses
ST Notification of lapse