US PATENT SUBCLASS 347 / 130
.~.~.~ Light emitting diodes

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

111  DF  ELECTRIC MARKING APPARATUS OR PROCESSES {3}
112  DF  .~ Electrostatic {8}
129  DF  .~.~ Photo scanning {7}
130.~.~.~ Light emitting diodes

DEFINITION

Classification: 347/130

Light emitting diodes:

(under subclass 129) Subject matter wherein the writing beam is emitted from a light-emitting semiconductor device.