Thermal printer head driving system

Details Thermal printer head driving system Thermal printer head driving system

1995-06-09

1997-10-14

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

B41J 236, B41J 2365

Patent

active

056777213

ABSTRACT:
A thermal printer for forming an image on a sheet includes a thermal head having a plurality of linearly arranged thermal elements. A number of thermal elements to be driven to form a line image is determined. A time period that the thermal elements are to be driven to form the current line image is then calculated in accordance with a number of thermal elements driven to form a previous line image and the number of thermal elements determined to be driven to form the current line image. The thermal elements are then driven for the calculated time period to form the current line image.

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patent: 5382101 (1995-01-01), Iguchi
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