FR23141E - Gyroscopic or liquid auto-collimator and its applications in geodesy, marine and artillery - Google Patents

Gyroscopic or liquid auto-collimator and its applications in geodesy, marine and artillery

Info

Publication number
FR23141E
FR23141E FR23141A FR23141DA FR23141E FR 23141 E FR23141 E FR 23141E FR 23141 A FR23141 A FR 23141A FR 23141D A FR23141D A FR 23141DA FR 23141 E FR23141 E FR 23141E
Authority
FR
France
Prior art keywords
geodesy
artillery
gyroscopic
collimator
marine
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
Application number
FR23141A
Other languages
French (fr)
Inventor
Edme-Etienne-Joseph Bonneau
Charles Stapfer
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.)
CHARLES STAPFER
Original Assignee
CHARLES STAPFER
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 CHARLES STAPFER filed Critical CHARLES STAPFER
Application granted granted Critical
Publication of FR23141E publication Critical patent/FR23141E/en
Expired 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
    • G01C19/02—Rotary gyroscopes
    • G01C19/44—Rotary gyroscopes for indicating the vertical

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR23141A 1920-02-21 1920-02-21 Gyroscopic or liquid auto-collimator and its applications in geodesy, marine and artillery Expired FR23141E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23141T 1920-02-21

Publications (1)

Publication Number Publication Date
FR23141E true FR23141E (en) 1921-10-04

Family

ID=8661930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23141A Expired FR23141E (en) 1920-02-21 1920-02-21 Gyroscopic or liquid auto-collimator and its applications in geodesy, marine and artillery

Country Status (1)

Country Link
FR (1) FR23141E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532409A (en) * 1968-09-04 1970-10-06 Optical Res & Dev Corp Hydrostatically-supported optical stabilizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532409A (en) * 1968-09-04 1970-10-06 Optical Res & Dev Corp Hydrostatically-supported optical stabilizer

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