US PATENT SUBCLASS 356 / 374
.~.~ Including moire' fringe generation

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

372  DF  BY MENSURATION {8}
373  DF  .~ Of article displacement {1}
374.~.~ Including moire' fringe generation

DEFINITION

Classification: 356/374

Including moiré fringe generation:

(under subclass 373) Subject matter wherein moiré fringes are created in response to interference between regular patterns in or on the article and a superimposable grid or light pattern.

SEE OR SEARCH THIS CLASS, SUBCLASS:

395, for relatively movable optical grids which determine article configuration.