发明名称 DATA TRANSMISSION SYSTEM
摘要 PROBLEM TO BE SOLVED: To prevent a user from viewing at service termination time when contents transmission service termination time exceeds system service termination time. SOLUTION: An information center 1 receives the terminal ID, the title ID and the channel securing request which are transmitted from a terminal 2 by a transmission request reception means 4 and a service time control means 7 transmits the service time of the contents corresponding to the received title ID to a termination time calculation means 8. In the termination time calculation means 8, the transmission service termination time of the contents is calculated from the service time of the contents and the time requested from the terminal. A transmission permission means 9 does not impart a transmission permission to the transmission request reception means 4 when the transmission service termination time of the calculated contents exceeds the service termination time of a VOD system.
申请公布号 JPH09182052(A) 申请公布日期 1997.07.11
申请号 JP19950336819 申请日期 1995.12.25
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 ARII KOJI;SOGOU YOSHIARI
分类号 H04N21/24;H04N21/472 主分类号 H04N21/24
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