CH593593A5CH1667675ACH1667675ACH593593A5CH 593593 A5CH593593 A5CH 593593A5CH 1667675 ACH1667675 ACH 1667675ACH 1667675 ACH1667675 ACH 1667675ACH 593593 A5CH593593 A5CH 593593A5
Authority
CH
Switzerland
Application number
CH1667675A
Original Assignee
Hasler 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 Hasler AgfiledCriticalHasler Ag
Priority to CH1667675ApriorityCriticalpatent/CH593593A5/xx
Priority to DE19762645330prioritypatent/DE2645330A1/de
Priority to ES452438Aprioritypatent/ES452438A1/es
Publication of CH593593A5publicationCriticalpatent/CH593593A5/xx
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
G08B27/006—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via telephone network
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04H—BROADCAST COMMUNICATION
H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
H04H20/65—Arrangements characterised by transmission systems for broadcast
H04H20/76—Wired systems
H04H20/77—Wired systems using carrier waves
H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available