发明名称 Recording and reproducing apparatus for content
摘要 A recording and reproducing apparatus for content detects that the same-already purchased content is present when a user newly purchases a content, and determines, based on information in which a user who previously purchases a content sets whether to open the purchase, whether a message to the effect that the content is purchased in duplicate is displayed to the user who newly purchases the content.
申请公布号 US8024232(B2) 申请公布日期 2011.09.20
申请号 US20100781042 申请日期 2010.05.17
申请人 HITACHI CONSUMER ELECTRONICS CO., LTD. 发明人 MORI NAOKI;SUENAGA SHINYA;TANAKA AKIRA
分类号 G06F17/30;G06Q30/06;G06Q50/00;G11B20/10;G11B27/00;G11B27/34;H04N5/91;H04N7/173 主分类号 G06F17/30
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