The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 11, 2014

Filed:

Feb. 03, 2011
Applicants:

Shinya Fujisawa, Tokyo, JP;

Kiyoshi Takagi, Tokyo, JP;

Takenori Kitada, Tokyo, JP;

Hitoshi Koyanagi, Tokyo, JP;

Inventors:

Shinya Fujisawa, Tokyo, JP;

Kiyoshi Takagi, Tokyo, JP;

Takenori Kitada, Tokyo, JP;

Hitoshi Koyanagi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/12 (2006.01); H04N 1/00 (2006.01); G03G 15/00 (2006.01); G06K 15/02 (2006.01); G03G 21/14 (2006.01); H04N 1/413 (2006.01);
U.S. Cl.
CPC ...
G03G 21/14 (2013.01); H04N 2201/0094 (2013.01); H04N 1/00127 (2013.01); G03G 15/502 (2013.01); G06K 15/1849 (2013.01); G06F 3/1297 (2013.01); G06K 15/1865 (2013.01); H04N 1/413 (2013.01);
Abstract

An image forming system comprising: a controller, provided with a list creation means to create a display list by analyzing PDL data, a decompression means to decompress compressed image data, a drawing means to execute drawing based on the image data, and a print data creation means to create the print data based on the image data, for sending the print data to a printer; and a rasterization accelerator, provided with a second drawing means to execute drawing processing based on the display list, and a compression means to compress the image data drawn by the second drawing unit, for sending the image data to the controller, wherein the rasterization accelerator comprises a determination means for determining, based on the information of the display list, whether to execute or not the compression of the image data, and a compression method in case of executing the compression.


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