Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1995-09-18
1997-05-20
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
With particular system function
340541, 340573, 340508, 340552, 340550, G08B 1900
Patent
active
056316305
ABSTRACT:
A simplified, home-improvement-type, low voltage security system to prevent infants from entering the swimming pool area by monitoring the exit doors of a home leading to the swimming pool and the swimming pool by combined passive and active motion detectors and an alarm. Photoflood lamps can be added to the security system.
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Hofsass Jeffery
Lee Benjamin C.
Litman Richard C.
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