US PATENT SUBCLASS 235 / 462.18
.~.~.~.~.~ Using counter or timer

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}
462.16  DF  .~.~.~.~ Bar width determination {2}
462.18.~.~.~.~.~ Using counter or timer {1}
462.19  DF  .~.~.~.~.~.~> Including count or time to binary conversion (e.g., Wide=1, Narrow=0)

DEFINITION

Classification: 235/462.18

Using counter or timer:

(under subclass 462.16) Subject matter having a counter mean or a timer mean used to produce a series of counts or times representing the widths of the bars.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.27, for a clock generating or sampling circuit.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

23+, 31+ for signal discriminating by pulse coincidence or pulse width.

377, Electrical Pulse Counters, Pulses Dividers, or Shift Registers: Circuit and Systems,

37, 111 for particular input circuits for counters.