FR693403A - Route indicator and safety warning device for cars and all vehicles - Google Patents

Route indicator and safety warning device for cars and all vehicles

Info

Publication number
FR693403A
FR693403A FR693403DA FR693403A FR 693403 A FR693403 A FR 693403A FR 693403D A FR693403D A FR 693403DA FR 693403 A FR693403 A FR 693403A
Authority
FR
France
Prior art keywords
cars
vehicles
warning device
safety warning
route indicator
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
Leonce Testard
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 FR693403A publication Critical patent/FR693403A/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
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR693403D 1930-04-05 1930-04-05 Route indicator and safety warning device for cars and all vehicles Expired FR693403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR693403T 1930-04-05

Publications (1)

Publication Number Publication Date
FR693403A true FR693403A (en) 1930-11-20

Family

ID=9041068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693403D Expired FR693403A (en) 1930-04-05 1930-04-05 Route indicator and safety warning device for cars and all vehicles

Country Status (1)

Country Link
FR (1) FR693403A (en)

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