发明名称 UNIVERSAL DISPLAY EXPOSURE MONITOR USING PERSONAL LOCATOR SERVICE
摘要 Systems, methods and devices for gathering data concerning exposure of predetermined survey participants to media displays are provided. A portable monitor is arranged to receive certain types of terrestrial- based signals, and in some specific cases, satellite-~based signals, and to use such signals to generate location data indicative of a location of the portable monitor. The location data and stored media display data is analyzed to evaluate the survey participant's exposure to one or more media displays.
申请公布号 CA2568033(C) 申请公布日期 2011.10.04
申请号 CA20042568033 申请日期 2004.07.28
申请人 ARBITRON INC. 发明人 ZHANG, JACK K.;CRYSTAL, JACK C.;JENSEN, JAMES M.;FLANAGAN, EUGENE L., III
分类号 G08B1/08;G01S;G06Q99/00 主分类号 G08B1/08
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