G - Physics – 09 – G
Patent
G - Physics
09
G
G09G 3/34 (2006.01)
Patent
CA 2113570
An apparatus provides grey scale capability for an electrophoretic information display (10). The electrophoretic informa- tion display (10) is an XY addressable display with each XY coordinate indicative of a given column (23) and row (25) and defin- ing a pixel. There are described means coupled to display for impressing upon the display a predetermined digital pattern to cause certain pixels in the display to be energized with respect to other pixels in the display where the combination due to the di- gital pattern causes a desired grey scale level to appear on a character or on the background of the display.
Disanto Frank J.
Krusos Denis A.
Laspina Christopher
Copytele Inc.
Ogilvy Renault
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