US PATENT SUBCLASS 347 / 249
.~.~.~ By clock deviation

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}
248  DF  .~.~ Synchronization of light with medium {1}
249.~.~.~ By clock deviation

DEFINITION

Classification: 347/249

By clock deviation:

(under subclass 248) Subject matter wherein the relative movement between the record receiver and at least one writing beam is controlled by altering or changing the timing of a control clock.