Dusk delay system for outdoor motion detection

Details Dusk delay system for outdoor motion detection Dusk delay system for outdoor motion detection

1994-09-06

1995-08-15

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250DIG1, 315159, 340567, G08B 13193, G08B 13191, H05B 3702, F21V 2300

Patent

active

054421772

ABSTRACT:
A dusk delay system for outdoor motion detection provides the benefits of dusk to dawn, timed, and motion detection control. A dusk to dawn type sensor detects the onset of darkness and turns on the lights for a predetermined duration of time. Once the duration of time expires, the lights will be shut off. Subsequently, motion within the monitored area will be detected by a motion detector and cause the light to be turned on for a selectably predetermined amount of time. The timer can randomize the actual time in which the lighting controller shuts off the light and goes into the motion detection mode. A latch mechanism disables the operation of the system upon momentary interruption of the power.

REFERENCES:
patent: 3961180 (1976-06-01), Schultz
patent: 4305021 (1981-12-01), Schreiden
patent: 4461977 (1984-07-01), Pierpoint et al.
patent: 4768020 (1988-08-01), Chen

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