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Publication of NL6608033ApublicationCriticalpatent/NL6608033A/xx
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
G—PHYSICS
G08—SIGNALLING
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor