FR695948A - Improvements to indicating devices for air navigation - Google Patents

Improvements to indicating devices for air navigation

Info

Publication number
FR695948A
FR695948A FR695948DA FR695948A FR 695948 A FR695948 A FR 695948A FR 695948D A FR695948D A FR 695948DA FR 695948 A FR695948 A FR 695948A
Authority
FR
France
Prior art keywords
air navigation
indicating devices
navigation
indicating
devices
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)
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.)
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
Original Assignee
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
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 Gyroscope Co Ltd, Sperry Gyroscope Co Inc filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR695948A publication Critical patent/FR695948A/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)
FR695948D 1929-05-23 1930-05-22 Improvements to indicating devices for air navigation Expired FR695948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US695948XA 1929-05-23 1929-05-23

Publications (1)

Publication Number Publication Date
FR695948A true FR695948A (en) 1930-12-23

Family

ID=22090001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR695948D Expired FR695948A (en) 1929-05-23 1930-05-22 Improvements to indicating devices for air navigation

Country Status (1)

Country Link
FR (1) FR695948A (en)

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