发明名称 Method and system of authenticating host
摘要 A method of authenticating a host used to unscramble scrambled television signals. The method including authenticating the host in response to receiving a correct reply to a question and answer (Q&A) inquiry, wherein the Q&A inquiry includes a question and answer.
申请公布号 US2007101358(A1) 申请公布日期 2007.05.03
申请号 US20050264721 申请日期 2005.11.01
申请人 CABLE TELEVISION LABORATORIES, INC. 发明人 AMBADY BALAGOPALAN
分类号 H04N7/167 主分类号 H04N7/167
代理机构 代理人
主权项
地址