Fire alarm system
United States Patent 3274578
US Patent References:
Remote monitoring system
- - 2574458
Electrical remote-control system
- - 2580539
Electrical intelligence receiver and signal emitter
- - 3035251
Fire alarm system
- - 3114901
Data processing apparatus
- - 3204245
Remote monitoring system
- - 2574458
Electrical remote-control system
- - 2580539
Electrical intelligence receiver and signal emitter
- - 3035251
Fire alarm system
- - 3114901
Data processing apparatus
- - 3204245
Inventors:
Charles, Block
Mintz, Leon J.
Mintz, Leon J.
Publication Date:
09/20/1966
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Assignee:
Charles, Block
Mintz, Leon J.
Mintz, Leon J.
Primary Class:
Other Classes:
340/584
International Classes:
G08B17/06