Patent ID: 6037721
Filing Date: 2000-03-14
Classification: F21V,G08C,H05B

Abstract:
A light dimming system comprising in combination:a fixture housing adapted for mounting in a ceiling;said fixture housing having an interior volume and an open bottom;a dimming ballast fixed within said interior volume of said fixture housing;at least one lamp mounted within said interior volume of said fixture housing and connected to said ballast;a fixture lens extending across the bottom of said fixture housing;a radiation receiver circuit fixed within said fixture housing interior volume and having a radiation sensor;said radiation receiver being connected to said dimming ballast interiorly of said fixture housing, and containing a dimmer control circuit therein and being operable to adjust the output of said dimming ballast to said at least one lamp in response to the reception of a coded radiation signal by said radiation sensor;a portable hand-operated radiation transmitter for transmitting radiation toward said radiation sensor from a position removed from said fixture housing, to adjust the dimming level of said at least one lamp by adjusting the output of said radiation receiver;and an elongated radiation lens having one end disposed adjacent said radiation sensor and a free end disposed in a position which is flush with or penetrates beyond a bottom of said fixture lens.