US PATENT SUBCLASS 235 / 462.04
.~.~.~.~ Bar code with bars of more than two colors (e.g., multicolored bar code, multilevel gray)

Current as of: June, 1999
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235 /   HD   REGISTERS

435  DF  CODED RECORD SENSORS {9}
439  DF  .~ Particular sensor structure {8}
454  DF  .~.~ Optical {10}
462.01  DF  .~.~.~ Bar code {20}
462.04.~.~.~.~ Bar code with bars of more than two colors (e.g., multicolored bar code, multilevel gray)

DEFINITION

Classification: 235/462.04

Bar code with bars of more than two colors (e.g., multicolored bar code, multilevel gray):

(under subclass 462.01) Subject matter including means to read a bar code having at least three distinct light reflective characteristics.

(1) Note. The space is counted as one of the different reflective levels of the bar; for example, two different colored bars besides the white space (e.g., red and blue and a white space, or a white space, a black bar, and a gray bar) is classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.02, for a bar code having a plurality of bars of different heights (e.g., Postnet bar code).

462.03, for a circular bar code.

469, for a color coded indicia optical reader.

494, for a particular code pattern. SEE OR SEARCH CLASS

382, Image Analysis,

140, for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.