US PATENT SUBCLASS 235 / 462.31
.~.~.~.~.~ Including object detection


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}
462.3  DF  .~.~.~.~ Scanner power on/off {1}
462.31.~.~.~.~.~ Including object detection


DEFINITION

Classification: 235/462.31

Including object detection:

(under subclass 462.3) Subject matter including a circuit to determine if a code indicia is within reading range of the reader and to control and activate the reader in response to a detected signal.