Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2004-03-17
2009-06-30
Lee, Thomas D (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S505000, C358S474000
Reexamination Certificate
active
07554691
ABSTRACT:
A printing system of the invention successively forms rasters or dot lines on a printing medium to complete a printed image. A raster formation assembly is scanned in a raster-forming direction relative to the printing medium and completes each raster on the printing medium by a preset number of multiple main scans. The printing system of the invention determines the dot on-off state of respective pixels included in an object image according to image data of the object image, stores data representing the determination results in a classified manner in a memory, and supplies data of each group read from the classified storage in the memory to the raster formation assembly. The determination results representing the dot on-off state of plural pixels on each raster are classified and stored into multiple groups according to allocation of the preset number of multiple main scans to raster formation in the plural pixels on the raster. Such classified storage remarkably simplifies the subsequent data output process that reads data of the determination results from the memory and supplies the read data to the raster formation assembly. This arrangement of the invention rationally rearranges the determination results of the dot on-off state in an order of dot formation, thus enhancing the image processing speed and effectively shortening the total time of image printing.
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Brinich Stephen M
Lee Thomas D
Martine & Penilla & Gencarella LLP
Seiko Epson Corporation
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