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Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH146137ApublicationCriticalpatent/CH146137A/de
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems
Schaltungsanordnung fuer Fernsprechanlagen mit Waehlern, bei denen mehrere selbsttaetige oder halbselbsttaetige Zentralen hintereinander an Verbindungsleitungen angeschlossen sind
Schaltungsanordnung zur Beeinflussung von Zaehlern durch Stromverstaerkung in der Sperrader in Fernmeldeanlagen mit Waehlerbetrieb, insbesondere Fernsprechanlagen