Uninterrupted desk lamp

Details Uninterrupted desk lamp Uninterrupted desk lamp

1989-09-27

1991-01-15

Laroche, Eugene R.

Electric lamp and discharge devices: systems

Automatic substitution of the power supply

With load device or electrode substitution

315154, 362 20, H05B 3910

Patent

active

049856618

ABSTRACT:
This invention relates to an interrupted desk lamp generally comprised of a main lamp assembly and an auxiliary lamp assembly. The auxiliary lamp assembly is controlled by means of a photoresistor and an AC power failure lighting circuit to automatically turn on the lamp bulb to provide illumiantion during AC power failure and low intensity of ambient light. The auxiliary lamp assembly may be removed from the device for independent application to serve as an emergency lamp.

REFERENCES:
patent: 1922079 (1933-08-01), Dixon
patent: 2389762 (1945-11-01), Burke
patent: 3582708 (1971-06-01), Snyder
patent: 3694692 (1972-09-01), Pressman
patent: 4099095 (1978-07-01), Turner
patent: 4700110 (1987-10-01), McNair
patent: 4802065 (1989-01-01), Minter

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