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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Patelhold Patenverwertungs and Elektro-Holding AGfiledCriticalPatelhold Patenverwertungs and Elektro-Holding AG
Publication of DE1099600BpublicationCriticalpatent/DE1099600B/de
Anlage zur Fernsteuerung von Alarmgeräten, die an bereits bestehende, von einer Zentralstelle strahlenförmig ausgehende Leitungen, insbesondere Telephonleitungen, angeschlossen sind.
Verfahren zur optischen anzeige von auf einer nachrichtenuebermittlungsleitung anliegenden betriebszustandssignalen bei fernmeldeanlagen und vorrichtung zur durchfuehrung des verfahrens