发明名称 Interactive display system
摘要 An interactive display system is provided for use with (i) a program source having an associated video output signal and a digital data stream, the digital data stream being modulated on the video output signal, and (ii) a monitor in communication with the program source for displaying the output, the display system. The system in a preferred embodiment has a data decoder, for separating the digital data stream and a viewer control box. The control box has a user input for receiving user selections, a data input in communication with the data decoder for receiving the digital data stream, and a program execution module in communication with the user input and the data input. A video cassette for use in such a system is also provided.
申请公布号 US6593972(B1) 申请公布日期 2003.07.15
申请号 US19980076377 申请日期 1998.05.12
申请人 JOHNSON, JR. CLARK E. 发明人 JOHNSON, JR. CLARK E.
分类号 H04N5/775;H04N5/913;H04N5/92;H04N7/083;H04N7/085;H04N7/088;H04N7/16;(IPC1-7):H04N7/08 主分类号 H04N5/775
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