发明名称 BROADCASTING SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a broadcasting system in which broadcasting of local material in a slave station is not limited and costs required for broadcasting jobs can be sufficiently suppressed. SOLUTION: In the broadcasting system in which master material MP supplied from a master station M through a communication line N1 is transmitted by a slave station L, local material LP as broadcasting material peculiar for the slave station is supplied through a communication line N2 to the slave station L as well, at such a time, a control signal containing a Q signal for controlling switching of the master material MP and the local material LP is transmitted from the master station M through the communication line N2 to the slave station L as well, and switching of the master material MP and the local material LP in the slave station L can be controlled by the master station M as well. COPYRIGHT: (C)2003,JPO
申请公布号 JP2003234711(A) 申请公布日期 2003.08.22
申请号 JP20020031677 申请日期 2002.02.08
申请人 HITACHI KOKUSAI ELECTRIC INC;SAPPORO TELEVISION BROADCASTING CO LTD 发明人 NUNOMURA IKUO;ISHIWATARI TADAO;IGAI MASAKAZU
分类号 H04H20/10;H04H60/04;(IPC1-7):H04H7/00 主分类号 H04H20/10
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