Color thermal printer

Details Color thermal printer Color thermal printer

1992-02-07

1992-12-01

Crowder, Clifford D.

Typewriting machines

Typing by other than type-face or type-die

Thermal

400 82, 346 46, B41J 354

Patent

active

051674564

ABSTRACT:
A color thermal printer has a character printing thermal head and a half-tone color image printing thermal head. The character printing thermal head records a black character on an image receiving sheet by heating the back surface of a black ink film. The half-tone color image printing thermal head records a color image on the image receiving sheet by heating the back surface of a color ink film having at least cyan, magenta, and yellow ink areas cyclically formed thereon. A heating element of the thermal head of conventional size is used for character printing, and a heating element with a smaller width than that of a conventional thermal head in the sub scan direction is used for half-tone color image printing.

REFERENCES:
patent: 4503095 (1985-03-01), Seto et al.
patent: 4527918 (1985-07-01), Yamamoto et al.
patent: 4588315 (1986-05-01), Seto et al.

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