Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2006-05-23
2006-05-23
Garcia, Gabriel (Department: 2624)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S001100, C358S296000, C382S266000, C382S268000
Reexamination Certificate
active
07050194
ABSTRACT:
A printing apparatus of the present invention prints an image corresponding to image data, which are divided into a plurality of pages and supplied from an application program, on a roll of machine glazed paper without any margin set between the adjoining pages. This arrangement enables printing on a large-sized printing medium, such as a banner. A printer driver incorporated in the printing apparatus causes the image data divided into the plurality of pages to be subjected to halftone processing according to an error diffusion method. When a standard printing mode is specified, an error buffer is initialized on every instruction of a new page. When a continuous printing mode is specified, on the other hand, the error buffer is not initialized. This causes an error occurring in a certain pixel included in one page to be diffused to pixels included in a next page in the continuous printing mode. The arrangement of the present invention enables the image data divided into a plurality of pages to be collectively processed by the halftone processing and thereby improves the picture quality of the image especially in the vicinity of a boundary between the adjoining pages.
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Kojima Shoji
Someno Masahiro
Garcia Gabriel
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pham Thierry L.
Seiko Epson Corporation
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