US PATENT SUBCLASS 400 / 120.1
.~.~.~ By number of heated recording elements

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

118.2  DF  TYPING BY OTHER THAN TYPE-FACE OR TYPE-DIE {3}
120.01  DF  .~ Thermal {7}
120.09  DF  .~.~ Density control {6}
120.1.~.~.~ By number of heated recording elements

DEFINITION

Classification: 400/120.1

By number of heated recording elements:

(under subclass 120.09) Subject matter wherein the regulating means controls the amount of energy supplied to selected recording elements based on a number of recording elements being simultaneously energized.