FR571752A - Device for locating a given direction in the field of a sighting device - Google Patents

Device for locating a given direction in the field of a sighting device

Info

Publication number
FR571752A
FR571752A FR571752DA FR571752A FR 571752 A FR571752 A FR 571752A FR 571752D A FR571752D A FR 571752DA FR 571752 A FR571752 A FR 571752A
Authority
FR
France
Prior art keywords
locating
field
given direction
sighting
sighting device
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
Other languages
French (fr)
Inventor
Antoine-Francois Benoit
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 filed Critical
Application granted granted Critical
Publication of FR571752A publication Critical patent/FR571752A/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)
FR571752D 1922-12-22 1922-12-22 Device for locating a given direction in the field of a sighting device Expired FR571752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR571752T 1922-12-22

Publications (1)

Publication Number Publication Date
FR571752A true FR571752A (en) 1924-05-23

Family

ID=8950788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571752D Expired FR571752A (en) 1922-12-22 1922-12-22 Device for locating a given direction in the field of a sighting device

Country Status (1)

Country Link
FR (1) FR571752A (en)

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