LEVEL CONTROLLER AND RECEIVING SYSTEM USING LEVEL CONTROLLER

申请公布号：JP2007019918(A)

申请号：JP20050199784

申请日期：2005.07.08

申请公布日期：2007.01.25

申请人：

DX ANTENNA CO LTD

发明人：TAKAHASHI NOBUHIKO;YAMAMOTO TATSUYA;FURUKAWA TOMOYUKI

分类号：H04B1/18;H04N5/00;H04N5/52

主分类号：H04B1/18

摘要：PROBLEM TO BE SOLVED: To uniform levels of respective digital television broadcast signals inexpensively. SOLUTION: A plurality of digital television broadcast signals different in channel are inputted to a lowpass filer 8 and outputted from a lowpass filer 8. A plurality of trap circuits 12a to 12e configured so as to attenuate corresponding digital television broadcast signals among the respective digital television broadcast signals are provided between the lowpass filters 8 and 10, and opening/closing switches 18a to 18e are provided between the trap circuits 12 to 12e and the lowpass filters 8 and 10. COPYRIGHT: (C)2007,JPO&INPIT

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