FR569475A - Device for measuring the speed of a mobile - Google Patents

Device for measuring the speed of a mobile

Info

Publication number
FR569475A
FR569475A FR569475DA FR569475A FR 569475 A FR569475 A FR 569475A FR 569475D A FR569475D A FR 569475DA FR 569475 A FR569475 A FR 569475A
Authority
FR
France
Prior art keywords
mobile
measuring
speed
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
Georges-Marie-Augus Landwerlin
Georges-Andre Berreur
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 FR569475A publication Critical patent/FR569475A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/12—Recording devices
    • G01P1/122—Speed recorders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR569475D 1922-10-24 1922-10-24 Device for measuring the speed of a mobile Expired FR569475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR569475T 1922-10-24

Publications (1)

Publication Number Publication Date
FR569475A true FR569475A (en) 1924-04-12

Family

ID=8949208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR569475D Expired FR569475A (en) 1922-10-24 1922-10-24 Device for measuring the speed of a mobile

Country Status (1)

Country Link
FR (1) FR569475A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744780C (en) * 1939-05-07 1944-01-25 Askania Werke Ag Device for determining the speed of fast moving objects, in particular aircraft, by photographic means
US2458882A (en) * 1945-10-04 1949-01-11 Richard G Stoner Timing device for high-speed motionpicture cameras

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744780C (en) * 1939-05-07 1944-01-25 Askania Werke Ag Device for determining the speed of fast moving objects, in particular aircraft, by photographic means
US2458882A (en) * 1945-10-04 1949-01-11 Richard G Stoner Timing device for high-speed motionpicture cameras

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