Automatic lighting control device for a decorative light string

Details Automatic lighting control device for a decorative light string Automatic lighting control device for a decorative light string

1996-03-05

1998-10-20

Sember, Thomas M.

Illumination

Light source and modifier

Condition responsive

362802, 362249, 25022711, 250239, 250214AL, H05B 3700

Patent

active

058236600

ABSTRACT:
An automatic lighting control device installed in a decorative light string is controlled by the intensity of ambient light detected by a photo-electric control device, the latter being shaped like a lamp bulb. The device includes hollow base installed in a lamp socket of the decorative light string which holds the photo-electric control device. The base has a ring contact and a tip contact insulated from the ring contact for connection to the two opposite terminals of the lamp socket. A cover is located on the base and a transparent cap is fastened to the cover to let outside light pass to the photoelectric control device.

REFERENCES:
patent: 3273012 (1966-09-01), Rosenblum
patent: 3433967 (1969-03-01), Bernheim
patent: 3496422 (1970-02-01), Horowitz
patent: 3653021 (1972-03-01), Litman et al.
patent: 4023035 (1977-05-01), Rodriguez
patent: 4791290 (1988-12-01), Noone et al.
patent: 5428518 (1995-06-01), Huang
patent: 5455488 (1995-10-01), Rhoades et al.
patent: 5585697 (1996-12-01), Cote et al.

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