US PATENT SUBCLASS 250 / 559.14
.~.~.~ With rotation of material

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
559.01  DF  .~ With circuit for evaluating a web, strand, strip, or sheet {13}
559.12  DF  .~.~ Beam interruption or shadow {3}
559.14.~.~.~ With rotation of material

DEFINITION

Classification: 250/559.14

With rotation of material:

(under subclass 559.12) Subject matter wherein a characteristic of the material is determined by making a series of measurements while the material is rotating.