US PATENT SUBCLASS 347 / 261
.~.~.~.~ Polygon

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}
256  DF  .~.~ Specific optical structure {3}
260  DF  .~.~.~ Having deflector {1}
261.~.~.~.~ Polygon

DEFINITION

Classification: 347/261

Polygon:

(under subclass 260) Subject matter wherein the reflective element has three or more reflective surfaces arranged symmetrically about an axis and is periodically rotated about the axis thereby progressing the writing beam across the record receiver.