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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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