FR2278181B1 - - Google Patents

Info

Publication number
FR2278181B1
FR2278181B1 FR7423663A FR7423663A FR2278181B1 FR 2278181 B1 FR2278181 B1 FR 2278181B1 FR 7423663 A FR7423663 A FR 7423663A FR 7423663 A FR7423663 A FR 7423663A FR 2278181 B1 FR2278181 B1 FR 2278181B1
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
FR7423663A
Other languages
French (fr)
Other versions
FR2278181A1 (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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Priority to FR7423663A priority Critical patent/FR2278181A1/fr
Publication of FR2278181A1 publication Critical patent/FR2278181A1/fr
Application granted granted Critical
Publication of FR2278181B1 publication Critical patent/FR2278181B1/fr
Granted 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
    • G01C19/68—Lock-in prevention

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)
  • Lasers (AREA)
FR7423663A 1974-07-08 1974-07-08 Laser annulaire Granted FR2278181A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7423663A FR2278181A1 (fr) 1974-07-08 1974-07-08 Laser annulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7423663A FR2278181A1 (fr) 1974-07-08 1974-07-08 Laser annulaire

Publications (2)

Publication Number Publication Date
FR2278181A1 FR2278181A1 (fr) 1976-02-06
FR2278181B1 true FR2278181B1 (OSRAM) 1978-01-27

Family

ID=9141008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423663A Granted FR2278181A1 (fr) 1974-07-08 1974-07-08 Laser annulaire

Country Status (1)

Country Link
FR (1) FR2278181A1 (OSRAM)

Also Published As

Publication number Publication date
FR2278181A1 (fr) 1976-02-06

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse