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FR2645261B1 - MIXING AND READING DEVICE FOR A LASER GYROMETER - Google Patents

MIXING AND READING DEVICE FOR A LASER GYROMETER

Info

Publication number
FR2645261B1
FR2645261B1 FR8904171A FR8904171A FR2645261B1 FR 2645261 B1 FR2645261 B1 FR 2645261B1 FR 8904171 A FR8904171 A FR 8904171A FR 8904171 A FR8904171 A FR 8904171A FR 2645261 B1 FR2645261 B1 FR 2645261B1
Authority
FR
France
Prior art keywords
mixing
reading device
laser gyrometer
gyrometer
laser
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 - Lifetime
Application number
FR8904171A
Other languages
French (fr)
Other versions
FR2645261A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8904171A priority Critical patent/FR2645261B1/en
Priority to DE19904010170 priority patent/DE4010170A1/en
Publication of FR2645261A1 publication Critical patent/FR2645261A1/en
Application granted granted Critical
Publication of FR2645261B1 publication Critical patent/FR2645261B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/66—Ring laser gyrometers
    • G01C19/661—Ring laser gyrometers details
    • G01C19/662—Ring laser gyrometers details signal readout; dither compensators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
FR8904171A 1989-03-30 1989-03-30 MIXING AND READING DEVICE FOR A LASER GYROMETER Expired - Lifetime FR2645261B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8904171A FR2645261B1 (en) 1989-03-30 1989-03-30 MIXING AND READING DEVICE FOR A LASER GYROMETER
DE19904010170 DE4010170A1 (en) 1989-03-30 1990-03-30 Laser gyro superposition and reading arrangement - has optical block with resonator enclosed by three mirrors reducing cost and size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8904171A FR2645261B1 (en) 1989-03-30 1989-03-30 MIXING AND READING DEVICE FOR A LASER GYROMETER

Publications (2)

Publication Number Publication Date
FR2645261A1 FR2645261A1 (en) 1990-10-05
FR2645261B1 true FR2645261B1 (en) 1991-07-26

Family

ID=9380201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8904171A Expired - Lifetime FR2645261B1 (en) 1989-03-30 1989-03-30 MIXING AND READING DEVICE FOR A LASER GYROMETER

Country Status (2)

Country Link
DE (1) DE4010170A1 (en)
FR (1) FR2645261B1 (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141651A (en) * 1977-01-10 1979-02-27 Raytheon Company Laser gyroscope output optics structure
US4152072A (en) * 1977-02-02 1979-05-01 Litton Systems, Inc. Photosensitive diodes for simplified optical heterodyning and cavity length control
CA1136743A (en) * 1978-08-31 1982-11-30 Albert N. Zampiello Laser gyro oscillation suppression
GB2030760B (en) * 1978-09-27 1982-08-11 Ferranti Ltd Ring lasers
US4325033A (en) * 1979-07-02 1982-04-13 Rockwell International Corporation Pneumatically dithered laser gyro
JPS5743486A (en) * 1980-08-13 1982-03-11 Agency Of Ind Science & Technol Semiconductor ring laser device
US4411527A (en) * 1981-06-29 1983-10-25 The Singer Company Ring laser gyroscope with compensation
US4473297A (en) * 1981-11-12 1984-09-25 The Singer Company Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
DE3320345A1 (en) * 1983-06-04 1984-12-06 Litton Systems, Inc., Beverly Hills, Calif. Ring laser gyroscope
US4536087A (en) * 1983-06-08 1985-08-20 The Singer Company Dither compensator for ring laser gyroscope
FR2562239B1 (en) * 1984-03-30 1986-07-18 Sfena DEVICE FOR ELIMINATING ACTIVATION NOISE OF A LASER GYROMETER AND LASER GYROMETER USING THE SAME
US4712917A (en) * 1984-10-26 1987-12-15 Honeywell Inc. Readout for a ring laser gyro
GB8728831D0 (en) * 1987-12-10 1988-01-27 British Aerospace Ring laser gyroscopes
FR2628201B1 (en) * 1988-03-04 1990-07-13 Sfena PIEZOELECTRIC MIRROR FOR LASER GYROMETER

Also Published As

Publication number Publication date
DE4010170A1 (en) 1990-10-04
FR2645261A1 (en) 1990-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse