US PATENT SUBCLASS 347 / 137
.~.~.~.~ Lens

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}
134  DF  .~.~.~ Optical elements interposed between record receiver and beam generator {2}
137.~.~.~.~ Lens

DEFINITION

Classification: 347/137

Lens:

(under subclass 134) Subject matter wherein the light beam modifying means includes a transparent optical device for converging, or diverging, the writing beam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

244, for a specific lens in a plural beam recorder.

258, for a specific lens in a singular beam recorder.