US PATENT SUBCLASS 235 / 462.26
.~.~.~.~.~ Amplitude control (e.g., automatic gain control)

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}
462.25  DF  .~.~.~.~ Reader processing circuitry {4}
462.26.~.~.~.~.~ Amplitude control (e.g., automatic gain control)

DEFINITION

Classification: 235/462.26

Amplitude control (e.g., automatic gain control):

(under subclass 462.25) Subject matter including a circuit element to control the ratio of the output of an amplifier to its inputs.

SEE OR SEARCH CLASS

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

178+, 306+ for signal converting, shaping, or generating with amplitude control.

330, Amplifiers,

278+, for a semiconductor amplifying device with gain control.

455, Telecommunications,

232.1+, 355 for gain control of signals at a receiver.