US PATENT SUBCLASS 347 / 183
.~ Gradational recording

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

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
183.~ Gradational recording {1}
184  DF  .~.~> Look up table

DEFINITION

Classification: 347/183

Gradational recording:

(under subclass 171) Subject matter wherein brightness of the produced symbol or mark varies from a very light color to a very dark color.

SEE OR SEARCH THIS CLASS, SUBCLASS:

131, for halftone recording in an electrostatic recorder.

240, for tone marking using a plurality of scanning beams.

251+, for tone marking using a single scanning beam.

SEE OR SEARCH CLASS

358, Facsimile, 298, for half tone recording in facsimile.