FR2656417B1 - SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM. - Google Patents

SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM.

Info

Publication number
FR2656417B1
FR2656417B1 FR8916971A FR8916971A FR2656417B1 FR 2656417 B1 FR2656417 B1 FR 2656417B1 FR 8916971 A FR8916971 A FR 8916971A FR 8916971 A FR8916971 A FR 8916971A FR 2656417 B1 FR2656417 B1 FR 2656417B1
Authority
FR
France
Prior art keywords
determining
light beam
sighting apparatus
sighting
light
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
FR8916971A
Other languages
French (fr)
Other versions
FR2656417A1 (en
Inventor
Alain Boutier
Jean Lefebvre
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR8916971A priority Critical patent/FR2656417B1/en
Publication of FR2656417A1 publication Critical patent/FR2656417A1/en
Application granted granted Critical
Publication of FR2656417B1 publication Critical patent/FR2656417B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
    • G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8916971A 1989-12-21 1989-12-21 SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM. Expired - Fee Related FR2656417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8916971A FR2656417B1 (en) 1989-12-21 1989-12-21 SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916971A FR2656417B1 (en) 1989-12-21 1989-12-21 SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM.

Publications (2)

Publication Number Publication Date
FR2656417A1 FR2656417A1 (en) 1991-06-28
FR2656417B1 true FR2656417B1 (en) 1993-12-10

Family

ID=9388810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8916971A Expired - Fee Related FR2656417B1 (en) 1989-12-21 1989-12-21 SIGHTING APPARATUS FOR DETERMINING THE DIRECTION OF A LIGHT BEAM.

Country Status (1)

Country Link
FR (1) FR2656417B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE819461C (en) * 1949-09-15 1951-11-19 Askania Werke Ag Installation on geodetic devices
GB1027457A (en) * 1962-01-30 1966-04-27 British Aircraft Corp A T Ltd Improvements relating to two-dimensional photoelectric indicating means
CH488166A (en) * 1969-04-30 1970-03-31 Contraves Ag Observation and surveying theodolite for moving objects
DE2157671C3 (en) * 1971-11-20 1974-05-16 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Sight goniometer
DE2850743C3 (en) * 1978-11-23 1981-10-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Method and device for measuring the deviation of the transmission beam from the optical axis of the receiving telescope in a lidar device
CH672024A5 (en) * 1987-03-02 1989-10-13 Wild Leitz Ag Optik Feinmechan

Also Published As

Publication number Publication date
FR2656417A1 (en) 1991-06-28

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Legal Events

Date Code Title Description
ST Notification of lapse