US PATENT SUBCLASS 209 / 524
.~.~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
522  DF  .~ Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers {1}
523  DF  .~.~ Condition responsive means controls separating means {3}
524.~.~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof {3}
525  DF  .~.~.~.~> Sizing with visible light beam
526  DF  .~.~.~.~> Detecting internal flaw (e.g., air bubble, crack, etc.) in wall of item {1}
528  DF  .~.~.~.~> Detecting flaw in, or absence or misplacement of, label on item

DEFINITION

Classification: 209/524

Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof:

(under subclass 523) Methods and apparatus including means utilizing radiant energy reflected, absorbed, emitted, or obstructed by an item, or by an article associated therewith, for sensing a condition of said item or article.