专利名称：Storage medium for preventing an irregular
use by a third party
发明人：Takayuki Hasebe,Ryota Akiyama,Makoto
Yoshioka
申请号：US08/603760申请日：19960220公开号：US05796824A公开日：19980818
摘要：A storage medium stores encrypted electronic data, a medium personalnumber which is unique for each storage medium and encrypted permission information.At least the medium personal number is written onto the storage medium in an un-rewritable form which a user computer cannot rewrite.
申请人：FUJITSU LIMITED
代理机构：Nikaido Marmelstein Murray & Oram LLP
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