Method and apparatus for controlling a thermal printer head

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

1998-06-04

2000-11-14

Hilten, John S.

Typewriting machines

Typing by other than type-face or type-die

Thermal

40012001, 40012009, B41J 2315

Patent

active

061460311

ABSTRACT:
A method and apparatus for controlling a thermal printer head. The temperature of a recording medium is sensed to determine a heating parameter for controlling the heat supplied to the thermal printer head. A transforming circuit receives image data and the heating parameter, transforms them into printing signals for contorlling the thermal printer head, and supplies the printing signals to the thermal printer head. Thus variation in printed color tone on the recording medium caused by temperature change is compensated successfully.

REFERENCES:
patent: 5346318 (1994-09-01), Endo
patent: 5365257 (1994-11-01), Minowa et al.
patent: 5896159 (1999-04-01), Masubuchi et al.
patent: 5900900 (1999-05-01), Hotta et al.

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