Title:
記憶装置、記憶媒体及び識別情報記録方法
Document Type and Number:
Japanese Patent JP3581001
Kind Code:
B2
Abstract:
A storage unit for recording on a portable recording medium identification information which is peculiar to the portable recording medium, includes a number generation part for generating a firmware management number based on a version number of a firmware of the storage unit and a number of times the firmware is installed in past in the storage unit and other storage units, an information generation part for generating the identification information based on at least a medium generation consecutive number which indicates a number of times the identification information is recorded on portable recording mediums and the firmware management number, and a recording part for recording the identification information on the portable recording medium.
Inventors:
Kiyomi Imamura
Teruji Yamakawa
Teruji Yamakawa
Application Number:
JP898898A
Publication Date:
October 27, 2004
Filing Date:
January 20, 1998
Export Citation:
Assignee:
富士通株式会社
International Classes:
G11B20/10; G06F21/00; G11B5/00; G11B7/00; G11B20/00; G11B20/12; (IPC1-7): G11B20/10; G11B20/12
Domestic Patent References:
| JP9198778A | ||||
| JP9115241A | ||||
| JP831080A | ||||
| JP7287655A | ||||
| JP6208760A | ||||
| JP6161863A | ||||
| JP63132336A |
Attorney, Agent or Firm:
Tadahiko Ito