Color printing which renders multi tone color input codes to...

Details Color printing which renders multi tone color input codes to... Color printing which renders multi tone color input codes to...

2006-12-05

2006-12-05

Nguyen, Judy (Department: 2854)

Typewriting machines

Including control of format by programmed-control-system

C358S001150

Reexamination Certificate

active

07144167

ABSTRACT:
A printing apparatus has a printhead which can print in a multi tone levels, and a font memory for storing font data for respective colors including at least different grayscale data, in correspondence with codes. The apparatus reads out font data for respective colors which are stored in font memory in correspondence to an input code, and renders the font data to image data in print buffers for respective colors. The apparatus then outputs the image data for respective colors stored in the print buffers to the printhead, thus printing a color image.

REFERENCES:
patent: 5093903 (1992-03-01), Sudoh et al.
patent: 5355233 (1994-10-01), Okamoto
patent: 5404432 (1995-04-01), Koopman et al.
patent: 5638183 (1997-06-01), Hayashi et al.
patent: 8-169142 (1996-07-01), None
patent: 10-129041 (1998-05-01), None

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