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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
Vorrichtung zum Messen des Quotienten zweier durch elektrische Stroeme oder Spannungen gegebener Groessen mit Hilfe eines Messwerkes mit umlaufendem Anker
Schaltungsanordnung, insbesondere fuer Sicherheitsanlagen, zur Ermittlung eines Ortes, z. B. einer Einbruchsstelle, oder zur Feststellung einer Stoerungsstelle
Einrichtung zur Fernuebertragung von Messwerten, bei welcher durch ein Messgeraet Stromimpulse von der zu uebertragenden Messgroesse proportionalen Haeufigkeit erzeugt werden