| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data processing unit capable of preserving, for example, a large number of pieces of monochrome data as many as possible into a memory. <P>SOLUTION: The data processing unit includes compression means 71-74 for compressing data of an input job block by block; a memory 6 for preserving the data compressed block by block at each block; and a control means 7 for setting a data block size compressed block by block by the compression means in accordance with each data attribute. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
