发明名称 User certificate system and method for data broadcasting
摘要 User certificate method for data broadcasting including the steps of inputting a code recollection starting key on a remote control device during a user watches a data broadcasting, extracting a program title from an Electronic Program Guide table received from a broadcasting station, inputting a successive sequence of keys for user certification, inputting a code recollection end key on the remote control device for finishing the inputting of the sequence of keys, inputting a user code according to a screen displayed after inputting the code recollection key, and storing a record having the user code, the program title and the input key sequence in the code certificate table, whereby permitting easier watching of a data broadcasting program that requires a used certificate.
申请公布号 US7809947(B2) 申请公布日期 2010.10.05
申请号 US20030681121 申请日期 2003.10.09
申请人 LG ELECTRONICS INC. 发明人 MOON HAN
分类号 H04L9/32;H04N7/167;H04N7/173 主分类号 H04L9/32
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