US PATENT SUBCLASS 345 / 32
.~ Optical means interposed in viewing path (e.g., filters, lens, etc.)

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

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
32.~ Optical means interposed in viewing path (e.g., filters, lens, etc.)

DEFINITION

Classification: 345/32

Optical means interposed in viewing path (e.g., filters, lens, etc.):

(under subclass 30) Subject matter having an optical means interposed in the viewing path of the display element* array.

SEE OR SEARCH CLASS

340, Communications: Electrical,

815.73+, for visual alphanumeric indicator having optical means.

353, Optics: Image Projectors, appropriate subclasses for all projected pluralities of images, superimposed or in a mosaic.

359, Optics: Systems (Including Communication) and Elements, appropriate subclasses for designated optical means.