发明名称 Content access
摘要 Techniques are described to provide content access. In an implementation, a determination is made at a client that a high-definition channel has content that matches content provided by a standard-definition channel. Access is provided to the content via the high-definition channel and access is restricted to the content via the standard-definition channel up the client is capable of outputting the content and high definition.
申请公布号 US8234668(B2) 申请公布日期 2012.07.31
申请号 US20080343235 申请日期 2008.12.23
申请人 POTREBIC PETER J.;JHA PRASHANT K.;TOZER MARK B.;MICROSOFT CORPORATION 发明人 POTREBIC PETER J.;JHA PRASHANT K.;TOZER MARK B.
分类号 H04N7/16;H04N5/445;H04N7/18 主分类号 H04N7/16
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