Image forming apparatus and image forming method

Details Image forming apparatus and image forming method Image forming apparatus and image forming method

2006-02-14

2006-02-14

Colilla, Daniel J. (Department: 2854)

Typewriting machines

Including control of format by programmed-control-system

C400S061000

Reexamination Certificate

active

06997624

ABSTRACT:
1,800 dpi binary image data is divided into 3-bit data groups or 2-bit data groups, and is input from an input unit11to a tone setting unit12and a print position controller13. Each group of 3-bit image data is converted into 8-bit tone data and 2-bit attribute data by the tone setting unit12and the print position controller13, respectively, and both sets of post-conversion data are input to a pulse width modulation unit15at the same time. Because all 3-bit data is handled at the same time, the input and output operation clock signals can stay the same as for a 600 dpi resolution.

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patent: 6873350 (2005-03-01), Saito et al.
patent: 05-292319 (1993-11-01), None
patent: 08-294005 (1996-11-01), None

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