US PATENT SUBCLASS 348 / 747
.~.~.~ Raster size or position compensation

Current as of: June, 1999
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739  DF  VIDEO DISPLAY {13}
744  DF  .~ Projection device {7}
745  DF  .~.~ With alignment, registration or focus {2}
747.~.~.~ Raster size or position compensation

DEFINITION

Classification: 348/747

Raster size or position compensation:

(under subclass 745) Subject matter wherein a raster scan pattern on at least one projection device is altered in size relative to those of another projection device whereby each of the projected images has the same relative size; or wherein the raster is shifted up or down or side to side in order that the projected images are in registration on the screen.