Display with supplemental lighting system

Communications: electrical – Continuously variable indicating – With meter reading

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Details

3403111, 340765, G09G 318, H04B 504

Patent

active

047542756

ABSTRACT:
A display device has a single switch that transfers a stored message to a liquid crystal display and simultaneously activates a supplemental display lighting system. The supplemental lighting system is inhibited, however, when circuitry senses that ambient light conditions are sufficient to illuminate the display.

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