US PATENT SUBCLASS 345 / 426
.~.~ Lighting/shading

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

418  DF  COMPUTER GRAPHICS PROCESSING {9}
419  DF  .~ Three-dimension {7}
426.~.~ Lighting/shading

DEFINITION

Classification: 345/426

Lighting/shading:

(under subclass 419) Subject matter which determines intensity or color on a surface of the object taking into consideration light sources, surface characteristics and object orientation.