| 摘要 |
<P>PROBLEM TO BE SOLVED: To print a copy protect image for producing a special visual effect by using various colors in a print controller for printing the copy protect image in color. <P>SOLUTION: In a form output device 1 for printing a form by a printer 6, a CPU 2 produces the copy protect image by combining a residual pattern image composed of large dots larger than a minimum dot size readable for a color copy machine and an erased pattern image composed of small dots smaller than the minimum dot size readable for the color copy machine and the large dots, and the copy protect image is printed on paper together with the print data of the form by the printer 6. <P>COPYRIGHT: (C)2003,JPO |
