G - Physics – 08 – B
Patent
G - Physics
08
B
340/102
G08B 19/00 (2006.01) G08B 25/00 (2006.01) G08B 26/00 (2006.01)
Patent
CA 1192645
LOCAL CONTROL APPARATUS FOR CENTRAL STATION ALARM SYSTEM Abstract of the Disclosure In a central station alarm system the alarm sensors associated with a particular subscriber's premises are monitored by a local control unit associated with those premises and controllable by the subscriber. The local control unit automatically reminds the subscriber when he is supposed to close the premises and turn on the system. The local control unit allows the subscriber to change his expected closing time. The local control unit may also perform various other functions such as automatically cutting off power to low priority alarm sensors during a prolonged power failure, automatically cancelling any audible alarm indication silence commands when there are no alarms to silence, and automatically forming a bridge connection between the remote ends of two communication circuits when there is a break in either circuit.
430964
Sheahan Robert F.
Terrett David S.
American District Telegraph Company
Gowling Lafleur Henderson Llp
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