BE439772A - - Google Patents

Info

Publication number
BE439772A
BE439772A BE439772DA BE439772A BE 439772 A BE439772 A BE 439772A BE 439772D A BE439772D A BE 439772DA BE 439772 A BE439772 A BE 439772A
Authority
BE
Belgium
Prior art keywords
contact
wheel
shaft
traffic signal
electric
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE439772A publication Critical patent/BE439772A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G08B5/38Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
BE439772D BE439772A (OSRAM)

Publications (1)

Publication Number Publication Date
BE439772A true BE439772A (OSRAM)

Family

ID=97698

Family Applications (1)

Application Number Title Priority Date Filing Date
BE439772D BE439772A (OSRAM)

Country Status (1)

Country Link
BE (1) BE439772A (OSRAM)

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