| 摘要 |
PROBLEM TO BE SOLVED: To realize easy relation to other information just by referring to a disk surface of an electronic recording medium. SOLUTION: In the printing method, by printing the signature image (which means a principal identification image or a medium specific image) on an electronic recording medium surface such as a disk, only referring to an image on the medium surface makes it possible to relate the recording medium to other information. COPYRIGHT: (C)2006,JPO&NCIPI
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