H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/73
H05B 37/02 (2006.01) H05B 39/04 (2006.01) H05B 41/36 (2006.01)
Patent
CA 1205853
ELECTRONIC LAMP CONTROL APPARATUS ABSTRACT A control for an outdoor lighting fixture which adds an extra off-on cycle to that imposed by a photoelectric cell control. At a predetermined time during the on period of the lighting fixture, the lamp of the fixture is shut-off This shut-off time had previously been determined as one during which traffic in the area is at a minimum. A set time after the shut off, the lamp is lit once again, this time being selected as a time when traffic is re-appearing. When the ambient light reaches the shut-off level of the photoelectric cell, the lamp is shut off for the day. In this way, the lamp is turned off for a timed period for the purpose of reducing the energy required by the lamp for the dark hours of the night.
426911
Itt Industries Inc.
Smart & Biggar
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