发明名称 SATELLITE DIGITAL BROADCAST RECEPTION SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a satellite digital broadcast reception system that allows each community reception facility to view a satellite digital broadcast program at a low cost. SOLUTION: A main head end 2 receives a satellite digital broadcast signal, community reception facilities A-F convert the satellite digital broadcast signal into a 1st conversion signal with a bandwidth, a frequency band and a modulation system that are suitable for transmission, and transmits the 1st conversion signal to the community reception facilities A-F. Sub head ends 43A-43F of the community reception facilities A-F convert the 1st conversion signal sent from the main head end 2 into a 2nd conversion signal not in use by the community reception facilities A-F and transmit the 2nd conversion signal to each terminal of the community reception facilities A-F.
申请公布号 JP2002094985(A) 申请公布日期 2002.03.29
申请号 JP20000278715 申请日期 2000.09.13
申请人 DX ANTENNA CO LTD 发明人 TAKAHASHI NOBUHIKO;KATAYAMA TOMOYUKI;ITO SHUICHI
分类号 H04N5/44;H04N7/10;H04N7/20;(IPC1-7):H04N7/20 主分类号 H04N5/44
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