Image forming apparatus and method for faster rendering of...

Details Image forming apparatus and method for faster rendering of... Image forming apparatus and method for faster rendering of...

2011-06-21

2011-06-21

Tieu, Benny Q (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Flying dot

C358S003240

Reexamination Certificate

active

07965411

ABSTRACT:
An image forming apparatus for rendering graphics objects in a frame memory, which includes a line memory for storing dot image data for each scan line of the graphics objects, a deciding unit that decides a position of a difference pixel having different values of corresponding pixels between the scan line stored in the line memory and a target scan line immediately thereafter, and a difference updating unit that, of the dot image data stored in the line memory, updates a value of the difference pixel decided by the deciding unit to the value of the pixel in the target scan line.

REFERENCES:
patent: 5548689 (1996-08-01), Poppenga et al.
patent: 6693719 (2004-02-01), Gupta et al.
patent: 6728412 (2004-04-01), Vasylyev
patent: 6828985 (2004-12-01), Long et al.
patent: 2000-137825 (2000-05-01), None

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