Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2006-02-07
2006-02-07
Wallerson, Mark (Department: 2626)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S001400, C358S450000
Reexamination Certificate
active
06995862
ABSTRACT:
If Y, M, C, and K color component images are serially generated by one color component image generating device in four steps, it takes much time to perform image processing for printing a one-page full-color image. This makes it impossible to increase the printing speed. In addition, since conversion to Y, M, C, and K data is performed before rendering, rendering logic cannot be faithfully implemented, resulting in poor color reproducibility. In order to solve these problems, image generating devices (103–105) respectively render R, G, and B color component images in bitmap memories106to108, which are divided into areas in units of predetermined bands obtained by dividing a page, on the basis of a display list which is common to R, G, and B data and stored in a memory (102). The rendered color component images on a band basis are converted into C, M, Y, and K color component images by a color space converter (109) in synchronism with the operation of a printer engine.
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Office Action, dated Feb. 7, 2003, in JP Application 10-328441.
Iizumi Tomoo
Murata Masahiko
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Wallerson Mark
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