| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce a loss of a signal component according to a connection environment, at a power line side, that temporally changes. <P>SOLUTION: A power line communication apparatus 10 includes: an extracting transformer 106 which is electrically connected to a power line 40 and extracts a signal from the power line 40; a receiving circuit 104 electrically connected to information equipment 15; and an impedance matching means 110 (110B, 110C) which is electrically connected to the extracting transformer 106 and the receiving circuit 104 and matches impedance at a side of the extracting transformer 106 with impedance at a side of the receiving circuit 104. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
