发明名称 Method and system for ascertaining the consumption habits of a test population
摘要 A method and system for determining the television consumption habits of a test population by obtaining data relating to the program being viewed and/or recorded and transmitting the data through telephone connection to a central computer for evaluation. The data is obtained in a manner which enables the elimination of intervention or supervision by specialized person in the data acquisition process. Any data that is not decoded or is decoded with uncertainty can be determined or verified by means of a dialog with the central computer.
申请公布号 US5034902(A) 申请公布日期 1991.07.23
申请号 US19900546706 申请日期 1990.07.02
申请人 SRG SCHWEIZERISCHE RADIO-UND FERNSEHGESELLSCHAFT 发明人 STEINMANN, MATTHIAS
分类号 H04H20/28;H04H60/43;H04N5/765 主分类号 H04H20/28
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