发明名称 ENCRYPTED TRIGGER AND ASSOCIATED METHODS
摘要 An apparatus, systems and methods control access to an enhancement within a trigger. A portion of a trigger is encrypted and included within the trigger. The trigger with the encrypted portion is then included within a signal. When it is determined that a signal is received with the trigger, the encrypted portion is decrypted and compared to predetermined criteria. If the decrypted portion meets the predetermined criteria, display of an enhancement within the trigger is allowed.
申请公布号 WO2005101818(A3) 申请公布日期 2007.08.16
申请号 WO2005US12232 申请日期 2005.04.12
申请人 CSC HOLDINGS, INC. 发明人 AZRALON, ALAN;DONOGHUE, PATRICK, J.;MCLAUGHLIN, EDGAR
分类号 H04N7/167;G06F13/00;H04N5/445;H04N7/16 主分类号 H04N7/167
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