Information providing apparatus and method, information receiving apparatus and method, lots-drawing system and method and medium
作者： Nobutaka Tani , Hirotaka Sugiyama , Masahiro Tada , Tadashi Saito
DOI:
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摘要: The invention makes it possible to draw lots for a present in real time association with broadcast program. A broadcasting station broadcasts information relating lot that is associated program by superimposing on video signal vertical blanking intervals. decoded decoder and viewed viewer TV receiver. When the commands enter present, accesses call center an automatic lots-drawing system draws lots. drawing result transmitted announced during of sponsor sends product winner viewers based data.
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