US PATENT SUBCLASS 347 / 236
.~.~.~ Feed back of light for intensity control

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}
233  DF  .~.~ Plural beam scan {9}
236.~.~.~ Feed back of light for intensity control

DEFINITION

Classification: 347/236

Feed back of light for intensity control:

(under subclass 233) Subject matter having a photo detector for detecting quantity of light of at least one writing beam emitted from a light source to control intensity of the light source.