发明名称 メモリカード及びデジタルコンテンツシステム
摘要 PROBLEM TO BE SOLVED: To provide a memory card which can extend the expiration date so as to be viewed, and a digital content system.SOLUTION: A memory card comprises: a period storage section 15a which stores a rental period of digital content; a rental period determination section 16a which determines whether or not the current data exceeds a rental period by referring to the period storage section 15a when a start instruction of viewing of the digital content is received; a viewing permission section 16c which permits viewing of the digital content when the current data is within the rental period; a viewing storage section 15b which stores total lapse time of the digital content when an operation of stopping viewing of the digital content is performed; a control section 10 which outputs the total lapse time stored in the viewing storage section 15b when it is determined that the current data exceeds the rental period; and a period update section 16b which updates the rental period of the period storage section 15a when update information on update of the rental period of the digital content is received.
申请公布号 JP5664313(B2) 申请公布日期 2015.02.04
申请号 JP20110029636 申请日期 2011.02.15
申请人 大日本印刷株式会社 发明人 大野 毅;森 慎一郎
分类号 G06F21/10 主分类号 G06F21/10
代理机构 代理人
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