Illumination control apparatus

Details Illumination control apparatus Illumination control apparatus

1991-02-28

1992-07-07

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Plural load device regulation

315297, 315315, 315DIG4, H05B 4136

Patent

active

051285940

ABSTRACT:
An illumination control apparatus is constituted by a main operation panel for performing dimming control of a plurality of different lighting units, a plurality of dimming terminals for receiving dimming data from the main operation panel, and a pair of transmission lines for connecting the plurality of dimming terminals to the main operation panel. In the dimming terminals, the types of different lighting unit are selected in accordance with the dimming data from the main operation panel. Upon selection of the types, the dimming characteristics of the lighting units are converted into desired dimming characteristics, respectively. Dimming signals corresponding to the lighting units are formed on the basis of the dimming characteristics obtained by the conversion. The formed dimming signals are output to the lighting units. With this operation, dimming outputs from the plurality of different lighting units are controlled in accordance with the dimming data from the main operation panel.

REFERENCES:
patent: 4388567 (1983-06-01), Yamazaki et al.
patent: 4889999 (1989-12-01), Rowen

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