H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/69
H05B 37/02 (2006.01) H05B 39/04 (2006.01)
Patent
CA 1213639
ANTI-FLICKER CIRCUIT FOR AUTOMATIC TURN-ON OF NIGHTLIGHT Donald E. Pezzolo ABSTRACT A second photoelectric element or cell (P2) is mounted in series with a first photoelectric element or cell (P1) of the prior art and in parallel with a portion of a voltage divider of which said first element is a part to shunt out a portion of the divider in response to light from a light load turned on by the operation of said first element incident to an increase in impedance thereof due to ambient darkness. Addition of the second photoelectric cell results in hysteresis of the turn-on/turn-off operating points of the first cell to prevent flicker to the light which is present at or near dusk in lights controlled by the prior art circuits. Mechanically, one cell (P1) is mounted on the side of a collar (21) surrounding the neck of a light bulb (13) outside direct light rays from the filament (23) while cell (P2) is mounted on the collar top in the direct path of light rays from the filament.
442233
M. & C. Electronics Ltd.
Smart & Biggar
LandOfFree
Anti-flicker circuit for automatic turn-on of nightlight does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Anti-flicker circuit for automatic turn-on of nightlight, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-flicker circuit for automatic turn-on of nightlight will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1296425