US PATENT SUBCLASS 235 / 462.03
.~.~.~.~ Circular bar code (e.g., concentric circles or sun burst)

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}
462.03.~.~.~.~ Circular bar code (e.g., concentric circles or sun burst)

DEFINITION

Classification: 235/462.03

Circular bar code (e.g., concentric circles or sun burst:)

(under subclass 462.01) Subject matter including means to read a bar code having a circular configuration.

(1) Note. The code can be in the form of concentric circles where information varies with diameter or, a circular track where information varies with angular position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

494, for a particular coded pattern reader.

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.