US PATENT SUBCLASS 356 / 431
.~.~ Including transverse scanning

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

429  DF  BY MONITORING OF WEBS OR THREAD {1}
430  DF  .~ For flaws or imperfections {1}
431.~.~ Including transverse scanning

DEFINITION

Classification: 356/431

Including transverse scanning:

(under subclass 430) Subject matter including means for scanning in a direction other than the line of travel of a moving web or thread.