US PATENT SUBCLASS 356 / 242.1
THREAD COUNTING

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

242.1THREAD COUNTING

DEFINITION

Classification: 356/242.1

THREAD COUNTING:

(under the class definition) Subject matter for determining the number of elements, cords, or strands in a fabric or web article.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23+, for stroboscopes utilized to monitor moving webs or

threads.

237.1+, for cloth inspection for flaws.

247+, for fiducial instruments which involves reticles with significant optical structure.

345+, for testing apparatus involving light interference effects generally including diffraction patterns.

395, for the measurement of lengths by means of "moire" patterns. 429, for the monitoring of webs or threads for optical properties or flaws.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

297+, for a reticle for a sight line instrument having no significant optical feature.

377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,

10, for numerical counting of individual objects one by one.