US PATENT SUBCLASS 358 / 464
.~.~.~ To distinguish intelligence from background

Current as of: June, 1999
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358 /   HD   FACSIMILE AND STATIC PRESENTATION PROCESSING

400  DF  FACSIMILE {17}
443  DF  .~ Specific signal processing circuitry {7}
448  DF  .~.~ Image processing {12}
464.~.~.~ To distinguish intelligence from background

DEFINITION

Classification: 358/464

To distinguish intelligence from background:

(under subclass 448) Subject matter including apparatus to generate a signal wherein a portion of the signal corresponding to intelligence on a document may be readily distinguished from a portion representing a background color of the document.