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.)
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
Schaltungsanordnung zur zweidraht maßigen simultanen Zeichengabe in beiden Ubertragungsnchtungen zwischen zwei End stelien in FernmeWe , insbesondere Fern Sprechanlagen
Schaltungsanordnung zur Rueckfuehrung von als Mehrankerhaftrelais mit inverser Kontakt-betaetigung ausgebildeten Waehlern in ihre Ruhelage in Fernmeldevermittlungsanlagen, insbesondere Fernsprechwaehlanlagen