| 摘要 |
PROBLEM TO BE SOLVED: To display easily and inexpensively whether or not information communication is being made on a communication cable.SOLUTION: A communication visualization device 10 includes: a transformer 11 for converting a magnetic field generated by a LAN cable connected with an information communication apparatus into an electric energy during information communication; an amplifier circuit 13 for amplifying the electric energy output from the transformer 11; a rectifier circuit 15 for converting an amplified signal amplified by the amplifier circuit 13 into DC voltage; and a light-emitting circuit 16 for emitting light when the DC voltage obtained by the conversion of the rectifier circuit 15 is supplied.SELECTED DRAWING: Figure 1 |
