| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tap with a filter for PLC that suppresses deterioration in transmission characteristic of power line communication while reducing the influence of noise caused on a load side. <P>SOLUTION: A tap A includes power plug 2 insertion-connected to a power outlet B, a power cable 6 having a power plug 2 attached to one end side, a tap main body 1 in which the other end side of the power cable 6 is introduced, plug blade insertion holes which are opened on the top surface of the tap main body 1 and into which plug blades that the power plug of a load has are inserted, blade receiving members 3b into which the blades inserted into the tap main body 1 through the blade insertion holes are inserted to be connected, and a filter circuit F which comprises a line filter LF and a capacitor C1 connected between load-side terminals of the line filter LF and provided halfway in an electric path connecting the power cable 6 and the blade receiving members 3b to each other to attenuate a signal having a frequency band of high-speed power line communication propagated from the load side to the power source side. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
