发明名称 PERSONAL VIDEO RECORDER WITH SECURE RECORDING, STORAGE AND PLAYBACK CONTROL
摘要 A Personal Video Recorder (PVR) (101) device that has the added facility of secure recording (100) and playback mechanisms (102) that operate in respons e to the input of at least one unique user authorization instruction thereby preventing minors or other unauthorized users from the unauthorized recordin g (101), storage and playback (102) of multi-media programs.
申请公布号 CA2458809(A1) 申请公布日期 2003.03.13
申请号 CA20022458809 申请日期 2002.08.23
申请人 GENERAL INSTRUMENT CORPORATION 发明人 WOODRUFF, WAYNE D.
分类号 G11B20/00;H04N5/76;(IPC1-7):H04N7/167 主分类号 G11B20/00
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