US PATENT SUBCLASS 356 / 391
.~ With projection on viewing screen

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

388  DF  BY CONFIGURATION COMPARISON {8}
391.~ With projection on viewing screen {1}
392  DF  .~.~> For comparison with master or desired configuration {1}

DEFINITION

Classification: 356/391

With projection on viewing screen:

(under subclass 388) Subject matter including a viewing screen and means to project an image thereon of the configuration or the standard.