发明名称 Interactive television system
摘要 An interactive communication system is disclosed which is configured to encourage the viewing of commercial advertisements during television broadcasts. The system includes at least one video display unit adapted to receive and display a video transmission which includes a commercial advertisement. A device is provided for transmitting an interactive message to the video display unit during the commercial advertisement in order to evoke a response from a viewer, and a device is provided for enabling a viewer to respond to the interactive message.
申请公布号 EP0711076(A2) 申请公布日期 1996.05.08
申请号 EP19950307546 申请日期 1995.10.24
申请人 AT&T CORP. 发明人 CANNON, THOMAS C.
分类号 H04N7/14;H04N7/16;H04N7/173;(IPC1-7):H04N7/173 主分类号 H04N7/14
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