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.)
H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Schaltungsanordnung für eine Empfangseinrichtung zur Auswertung von erdsymmetrisch in eine Teilnehmeranschlußleitung von Fernmeldeanlagen, insbesondere Fernsprechanlagen, eingespeisten Signalspannungen
Schaltungsanordnung zur elektronischen nachbildung eines in einer wechselstromuebertragung eingesetzten bistabilen relais, insbesondere telegrafenrelais