US PATENT SUBCLASS 347 / 195
.~.~ By history of recording elements

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

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
188  DF  .~ Density control {7}
195.~.~ By history of recording elements {1}
196  DF  .~.~.~> Using pulse width modulation

DEFINITION

Classification: 347/195

By history of recording elements:

(under subclass 188) Subject matter wherein the regulating means controls the amount of heating energy supplied to a particular recording element of the recording means based on data reflecting quantity of energy supplied to the particular recording element or to its adjacent recording elements during previous, present, or future recording cycles.