BE394361A - - Google Patents

Info

Publication number
BE394361A
BE394361A BE394361DA BE394361A BE 394361 A BE394361 A BE 394361A BE 394361D A BE394361D A BE 394361DA BE 394361 A BE394361 A BE 394361A
Authority
BE
Belgium
Prior art keywords
excitation circuit
circuit
mercury
cycle
switch
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE394361A publication Critical patent/BE394361A/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)
  • Keying Circuit Devices (AREA)
BE394361D BE394361A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE394361A true BE394361A (enrdf_load_stackoverflow)

Family

ID=61606

Family Applications (1)

Application Number Title Priority Date Filing Date
BE394361D BE394361A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE394361A (enrdf_load_stackoverflow)

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