US PATENT SUBCLASS 250 / 559.45
.~.~.~ With defect discrimination circuitry

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
559.4  DF  .~.~ With indication of presence of material or feature {5}
559.45.~.~.~ With defect discrimination circuitry {3}
559.46  DF  .~.~.~.~> With camera or plural detectors
559.47  DF  .~.~.~.~> With counting means
559.48  DF  .~.~.~.~> With transversal scan {1}

DEFINITION

Classification: 250/559.45

With defect discrimination circuitry:

(under subclass 559.4) Subject matter wherein the circuit provides the capability to identify the presence of a flaw in the material from variations in a detected light signal.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

509+, for sorting of items by identifying features.