BE408706A - - Google Patents

Info

Publication number
BE408706A
BE408706A BE408706DA BE408706A BE 408706 A BE408706 A BE 408706A BE 408706D A BE408706D A BE 408706DA BE 408706 A BE408706 A BE 408706A
Authority
BE
Belgium
Prior art keywords
panel
receiver
transmitter
board
signal
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE408706A publication Critical patent/BE408706A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/221—Local indication of seats occupied in a facility, e.g. in a theatre

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Audible And Visible Signals (AREA)
BE408706D BE408706A (member.php)

Publications (1)

Publication Number Publication Date
BE408706A true BE408706A (member.php)

Family

ID=73227

Family Applications (1)

Application Number Title Priority Date Filing Date
BE408706D BE408706A (member.php)

Country Status (1)

Country Link
BE (1) BE408706A (member.php)

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