US PATENT SUBCLASS 347 / 180
.~ Block driving

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

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
180.~ Block driving {2}
181  DF  .~.~> Simultaneously
182  DF  .~.~> Sequentially

DEFINITION

Classification: 347/180

Block driving:

(under subclass 171) Subject matter wherein the recording means comprises recording elements grouped into sections capable of being selectively energized.

SEE OR SEARCH THIS CLASS, SUBCLASS:

145, for block driving in an electrostatic recorder.