Lighting control device

Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Flashers

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Details

315199, 315208, 315DIG4, H05B 3700

Patent

active

045701075

ABSTRACT:
A lighting control device is incorporated in an electric bulb socket (FIG. 2) and uses a rotary switch 2 to connect a mains terminal 10 to the bulb via a direct link, a diode 6 or a triac-diac circuit 4,5 R,C.sub.2 to provide different levels of illumination.

REFERENCES:
patent: 1830531 (1931-11-01), Dubilier
patent: 2981866 (1961-04-01), Tsien et al.
patent: 3028525 (1962-04-01), Morton
patent: 3452215 (1969-06-01), Alessio
patent: 3836814 (1974-09-01), Rodriquez
patent: 4348612 (1982-09-01), Morton

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