Method and apparatus for controlling a thermal print head

Details Method and apparatus for controlling a thermal print head Method and apparatus for controlling a thermal print head

1994-08-31

1997-08-26

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Having driving circuitry for recording means

347185, 347186, B41J 235, B41J 238

Patent

active

056615140

ABSTRACT:
A driver circuit provides a plurality of drive energies having a plurality of thermal distributions associated therewith. These thermal distributions interact with print media to form binary images having active and inactive areas. A driver control circuit is responsive to source image information to apply selected drive energies to selected heating elements. These drive energies produce interacting thermal distributions for selectively positioning boundaries between active and inactive areas.

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