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DATA COMMUNICATION MODEM, DATA COMMUNICATION MODEM WITH BUILT-IN CHASSIS, AND PLUG WITH FILTER CIRCUIT
DATA COMMUNICATION MODEM, DATA COMMUNICATION MODEM WITH BUILT-IN CHASSIS, AND PLUG WITH FILTER CIRCUIT
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机译:数据通信调制解调器,内置机箱的数据通信调制解调器和带滤波电路的插头
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摘要
PROBLEM TO BE SOLVED: To solve the problem that, when inserting into a communication line a filter circuit for reducing noise superimposed on a modem signal, it is necessary to remove the communication line from a modem and then insert the filter, thereby causing long-time communication interruption.;SOLUTION: Between an interface section of a modem and a communication line connected to the modem, a connection jack 15 is connected for connecting a plug with filter circuit. The plug with filter circuit 14 which includes a filter circuit for suppressing noise in the same band as a frequency band to be used by other modem, is connected so as to be inserted and removed to the connection jack.;COPYRIGHT: (C)2010,JPO&INPIT
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