Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshiyuki Tanaka2
Hiroshi Sukegawa2
Kazuya Kawamoto2
Mikito Nakabayashi2
Hiroshi Nakamura2
Date of Patent
May 24, 2011
Patent Application Number
10931247
Date Filed
August 31, 2004
Patent Primary Examiner
Patent abstract
In a memory system using a removable recording medium and data stored in the recording medium, identifying information for identifying each recording medium from others is held in the recording medium, and when data stored in the recording medium is used, the identifying information of the recording medium is required. As a result, when a flash memory card, etc. is used, a copyright is reliably protected.
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