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
G—PHYSICS
G08—SIGNALLING
G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies
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Physics & Mathematics
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General Physics & Mathematics
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Electromagnetism
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Arrangements For Transmission Of Measured Signals
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Stromwandleranordnung für dreileiter-drehstromsysteme, insbesondere zur stromistwerterfassung für geregelte, stromrichtergespeiste gleichstromverbraucher.
Vorrichtung zum Fernanzeigen von Zeigerstellungen mittels eines den Strom fuer das Empfangsgeraet liefernden Stromerzeugers, der sich mit dem Zeiger des Gebers zusammen dreht
Einrichtung zur selbsttaetigen Regelung von n parallel arbeitenden Synchronmaschinen, bei welcher die prozentuale Wirk- oder Blindlastverteilung oder beides unter die einzelnen Maschinen vom Netz unabhaengig konstant gehalten wird