US PATENT SUBCLASS 347 / 247
.~.~ Driving circuitry

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

224  DF  LIGHT OR BEAM MARKING APPARATUS OR PROCESSES {2}
225  DF  .~ Scan of light {12}
247.~.~ Driving circuitry

DEFINITION

Classification: 347/247

Driving circuitry:

(under subclass 225) Subject matter comprising circuitry for generating a drive signal to control the energization or activation of a light source for emission of the writing beam.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for specific power supply elements.