Light dimming system for grounded-side control of discrete indic

Details Light dimming system for grounded-side control of discrete indic Light dimming system for grounded-side control of discrete indic

1980-12-05

1982-11-09

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

307 10LS, 315 77, 315135, 315208, 323349, H05B 3702

Patent

active

043587143

ABSTRACT:
A light dimming system for simultaneously controlling the brightness of a plurality of two-terminal indicating lights, each having one terminal connected to receive a constant voltage relative to ground. The system includes a single dimmer control for producing an arbitrarily variable control voltage, and a like plurality of interface circuits, connected between the dimmer control and the other terminals of the indicating lights, respectively, for varying the voltage at the other terminals of the indicating lights proportional to the control voltage supplied to the interface circuits from the dimmer control.

REFERENCES:
patent: 4029991 (1977-06-01), Schultz

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