BE393219A - - Google Patents

Info

Publication number
BE393219A
BE393219A BE393219DA BE393219A BE 393219 A BE393219 A BE 393219A BE 393219D A BE393219D A BE 393219DA BE 393219 A BE393219 A BE 393219A
Authority
BE
Belgium
Prior art keywords
rays
track
vehicles
cut
reflectors
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Publication of BE393219A publication Critical patent/BE393219A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Road Signs Or Road Markings (AREA)
BE393219D 1932-12-21 1932-12-21 BE393219A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE393219T 1932-12-21

Publications (1)

Publication Number Publication Date
BE393219A true BE393219A (enExample) 1933-03-31

Family

ID=33480036

Family Applications (1)

Application Number Title Priority Date Filing Date
BE393219D BE393219A (enExample) 1932-12-21 1932-12-21

Country Status (1)

Country Link
BE (1) BE393219A (enExample)

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