发明授权
- 专利标题： Digital content reproducing apparatus and method thereof
- 专利标题（中）： 数字内容再现装置及其方法
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申请号： US10542362申请日： 2004-04-07
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公开(公告)号： US08521651B2公开(公告)日： 2013-08-27
- 发明人: Ryuichi Okamoto , Susumu Kobayashi , Katsumi Tokuda
- 申请人： Ryuichi Okamoto , Susumu Kobayashi , Katsumi Tokuda
- 申请人地址： JP Osaka
- 专利权人： Panasonic Corporation
- 当前专利权人： Panasonic Corporation
- 当前专利权人地址： JP Osaka
- 代理机构： Wenderoth, Lind & Ponack, L.L.P.
- 优先权： JP2003-107594 20030411
- 国际申请： PCT/JP2004/004980 WO 20040407
- 国际公布： WO2004/092933 WO 20041028
- 主分类号： G06Q20/00
- IPC分类号： G06Q20/00
摘要：
A user terminal (110) having a license purchase unit (603) obtaining a license (500) indicating a content usable time (502) of a content data (200) composed of a plurality of elements (203), each of which can be replayed individually. The user terminal (110) also having an availability judgment unit (604) judging whether or not encrypted elements (203) included in the content data (200) are available, based on the content usable time (502) indicated in the obtained license (500), and having a replay/display unit (607) replaying the encrypted elements judged as available. In addition, the user terminal (110) having a use status management unit (608) specifying license-consuming elements, each of which consumes an authorized amount of replay under right, out of the elements that are being replayed, and measuring a content used time (504) consumed by replaying the specified license-consuming elements.
公开/授权文献
- US20060129495A1 Digital content reproducing apparatus and method thereof 公开/授权日：2006-06-15
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