System for acquisition and transmission of information about audience preferences of TV channels,申请号FR19980007888-传众专利搜索

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发明名称	System for acquisition and transmission of information about audience preferences of TV channels
摘要	The system uses a decoder (4) for decoding and converting video/audio/data broadcast signals and transmitting them to a number of multimedia (5,8) units in response to a control signal from a control unit (7). There is a return channel (20) for transmitting information about the broadcast signals selected by this control unit.The procedure includes the steps of configuring the decoding member (4) along a program to be measured, and treating, following the measured program, the information extracted from the selected broadcast signal, selected by the control unit, in a measuring unit (140,142,144,146), and transmitting this information extracted, back via. the return channel
申请公布号	FR2780225(A1)	申请公布日期	1999.12.24
申请号	FR19980007888	申请日期	1998.06.23
申请人	THOMSON MULTIMEDIA	发明人	TAZINE NOUR EDDINE;LETELLIER PHILIPPE;DEHOUX OLIVIER
分类号	H04H60/33;H04H60/39;H04N7/173;(IPC1-7):H04H9/00	主分类号	H04H60/33
代理机构		代理人
主权项
地址

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