Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1995-09-28
1997-11-11
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
Specific condition
340635, 340628, 340526, 340527, G08B 2100
Patent
active
056868960
ABSTRACT:
In a battery-powered sensor such as a smoke detector, a passive report of unacceptable battery condition is first given while an active report of such condition is inhibited. Then, after the lapse of a period of time after the unacceptable battery condition is first detected, the active report is given.
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Hofsass Jeffery
Interactive Technologies Inc.
Mannava Ashok
LandOfFree
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