US PATENT SUBCLASS 345 / 151
.~.~ Including optical means

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

112  DF  DISPLAY ATTRIBUTE CONTROLLER {11}
150  DF  .~ Selectable color attributes {3}
151.~.~ Including optical means

DEFINITION

Classification: 345/151

Including optical means:

(under subclass 150) Subject matter wherein color is visualized by means of an external optical element (e.g., polarizers or lens) although produced by selective operation of the display, per se.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements, appropriate subclasses for the use of different optical devices.