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.)
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
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
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General Physics & Mathematics
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Illuminated Signs And Luminous Advertising
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Circuit Arrangement For Electric Light Sources In General
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Fernbedienungsanlage, mit Hilfe deren die Stellungen eines oder mehrerer in einer Nebenstelle angeordneter, in zwei verschiedene Lagen einstellbarer Organe in der Hauptstelle angezeigt werden.