发明名称 Static-or-dynamic and limited-or-unlimited content rights
摘要 Dynamic assignment of rights to content, such as in a closed distribution system. Noting state information generated by an item of current content, and modifying state or rights of new content in response. Pre-loading or dynamically sending new content to the owner of the current content, with rights being enabled only at a later time, in the playback device, with predetermined conditions. In response to current state information, dynamically sending a license for new content from a server. Conditional or dynamic licenses to new content, including a set of rights associated with a class of possible sets of state information. Assignment of limited rights to a content, with support in a secure player to enforce them; for purposes of rental, bonus content, trials and other business models.
申请公布号 US2005038753(A1) 申请公布日期 2005.02.17
申请号 US20030703149 申请日期 2003.11.05
申请人 YEN WEI;BLYTHE DAVID;PRINCEN JOHN;SRINIVASAN PRAMILA 发明人 YEN WEI;BLYTHE DAVID;PRINCEN JOHN;SRINIVASAN PRAMILA
分类号 G06F;G06F21/00;(IPC1-7):G06F17/60 主分类号 G06F
代理机构 代理人
主权项
地址