US PATENT SUBCLASS 353 / 29
ADDITIONAL ILLUMINATION OF OR NEAR PROJECTED IMAGE


Current as of: June, 1999
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353 /   HD   OPTICS: IMAGE PROJECTORS

29ADDITIONAL ILLUMINATION OF OR NEAR PROJECTED IMAGE


DEFINITION

Classification: 353/29

(under the class definition) Subject matter including a projector for projecting an image on a surface and also means

to illuminate the periphery of that surface to form a lighted border or means to direct additional illumination on the surface for the purpose of improved contrast, picture definition, brilliancy or tinting.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84+, for a color filter in the optical path which projects the image.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

541+, for illuminated signs, especially subclasses 546+ for edge illuminated. 352, Optics: Motion Pictures, for a motion picture projector with additional means to illuminate the projected image.

359, Optics: Systems (Including Communication) and Elements,

450, for a viewing screen having a lighted border.