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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
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Indication And Recording Devices For Special Purposes And Tariff Metering Devices
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Schaltungsanordnung zum Pruefen von Schaltkreisen und/oder Leitungen auf ihren Belegungszustand, in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
Regulierschalter fuer Stufentransformatoren, bei denen jede Anzapfstelle der regelbaren Wicklung an je einen Kontakt der Kontaktreihen von zwei Stufenwaehlern angeschlossen ist
Anordnung zur Fernuebertragung der Stellung des Zeigers eines Gebergeraets nach einem Empfangsgeraet, wobei der Zeiger periodisch einen Stromkreis fuer die Fernuebertragu ng an der dem jeweiligen Zeigerausschlag entsprechenden Stelle eines Widerstands sch liesst und oeffnet