Current detector flood light lamp removal alarm

Details Current detector flood light lamp removal alarm Current detector flood light lamp removal alarm

1999-10-02

2000-06-20

Lee, Benjamin C.

Communications: electrical

Condition responsive indicating system

Specific condition

3405684, 340571, 340527, 340643, 315129, 315130, G08B 1314

Patent

active

060782579

ABSTRACT:
A flood light lamp removal alarm for security lights mounted on or near a home, wherein the lights are designed to turn on automatically if a motion detector is triggered and the ambient light level is low, detects by a current if any of the flood light lamps are unscrewed or loosened, either prior to a burglary or during the attempt to disable the flood light assembly. A central contact of a lamp socket is modified so that it maintains contact with the lamp therein for a longer distance as the lamp is unscrewed out, so that the alarm is triggered before the light from the lamp is disabled. Alternatively, current detectors verify when a lamp is loosened from a socket by detecting changes in current draw across the socket.

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patent: 5387909 (1995-02-01), Neel et al.

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