发明名称 TWO-WAY COMMUNICATION DEVICE
摘要 PROBLEM TO BE SOLVED: To allow the same terminal or connector to receive / output downlink data and uplink data and to avoid mutual signals of the data from being interfered with each other. SOLUTION: The two-way communication device is provided with: a first connector 10a for receiving a television signal and the downlink data; a diplexer 14 connected to the first connector 10a; a first distributor 16 coupled to a high frequency side terminal of the diplexer 14; a second connector 10b coupled to one output terminal of the first distributor 16; and a third connector 10c coupled to a low frequency side terminal of the diplexer 14, and a high pass filter 18 is interposed between the third connector 10c and the other output terminal of the first distributor 16 to prevent interference between the downlink data and the uplink data. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004343239(A) 申请公布日期 2004.12.02
申请号 JP20030134916 申请日期 2003.05.13
申请人 ALPS ELECTRIC CO LTD 发明人 YODA MITSUMASA
分类号 H04B1/18;H04N5/44;H04N7/10;(IPC1-7):H04N7/10 主分类号 H04B1/18
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