发明名称 BROADCAST SIGNAL TRANSMISSION AND RECEPTION FACILITY
摘要 PROBLEM TO BE SOLVED: To limit the transmission range of broadcasted information and perform management by copyright at broadcast signal transmission and reception facilities. SOLUTION: A transmission device 1 is provided with a multiplexing means 15' which multiplexes output device selection information for selecting an output device outputting a broadcast signal received by a reception device 2 with a broadcast signal, and the reception device 2 is provided with a demultiplexing means 23' which demultiplexes the received broadcast signal into the said output device selection information and an output device selecting means 30 which outputs the received broadcast signal to the output device according to the output device selection information separated by the demultiplexing means 23'. Consequently the transmission range of the transmitted information can be limited and the management by copyright can be performed.
申请公布号 JPH10200866(A) 申请公布日期 1998.07.31
申请号 JP19970000003 申请日期 1997.01.06
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 KUNIHIRA TADASHI
分类号 H04N5/91;G06F21/10;G06F21/24;H04H20/00;H04H20/28;H04H20/76;H04H60/17;H04N7/08;H04N7/081;H04N21/266;H04N21/4623 主分类号 H04N5/91
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