Variable color display device

Details Variable color display device Variable color display device

G - Physics

01

K

375/40

G01K 1/00 (2006.01)

Patent

CA 1252236

VARIABLE COLOR DISPLAY DEVICE ABSTRACT OF THE DISCLOSURE A display device, capable of selectively displaying characters in a variable color, includes a plurality of display areas with primary color light sources which are commonly coupled to primary color buses. In the first embodiment is disclosed a step variable color display device in which the primary color buses may be activated in selective combinations for illuminating the display device in a selective one of a plurality of predetermined colors. In the second embodiment is disclosed a continuously variable color display device in which the primary color buses may be selectively activated by pulses of selective durations for controlling the color of the display device substantially continuously. 84

563216

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