Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1986-10-31
1989-02-14
Moore, David K.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
340701, 340762, 340782, G09G 314
Patent
active
048048909
ABSTRACT:
A display device includes a plurality of variable color display areas arranged in a pattern for selectively exhibiting a plurality of display units. The group of display areas corresponding to the display unit is illuminated in a selected color, and the remaining display areas are illuminated in a color substantially complementary.
REFERENCES:
patent: 3911418 (1975-10-01), Takeda
patent: 4086514 (1978-04-01), Havel
patent: 4301450 (1981-11-01), Smoliar
patent: 4488149 (1984-12-01), Givens, Jr.
Moore David K.
Powell Mark R.
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