发明名称 DIGITAL BROADCAST RECEIVING SYSTEM
摘要 PROBLEM TO BE SOLVED: To solve a problem that only one user can transmit an answer and other users cannot transmit individual answers though the other users can solve a quiz when two or more users view a program by using the receiver and participate a viewer participation type quiz program. SOLUTION: Respective users store user identification(ID) codes in respective remote controllers to be used by respective users, respectively transmit data including the user ID codes to a digital broadcast receiver, which transmits the received data to a broadcasting center.
申请公布号 JP2002354284(A) 申请公布日期 2002.12.06
申请号 JP20010162238 申请日期 2001.05.30
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 KANESHIRO NORIKAZU
分类号 H04H20/76;H04H60/33;H04H60/45;H04H60/80;H04H60/92;H04N5/00;H04N7/173;H04N21/422;H04N21/47;H04N21/475;H04Q9/00 主分类号 H04H20/76
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