Patent ID: 9735832
Date: 2017-08-15
CPC Classifications: B60L,B60R,H04B,Y02T,Y04S

Claim:
1. A communication system including an output circuit provided in a power feeding device for feeding power to a vehicle and outputting a rectangular wave signal of a predetermined frequency, and an input circuit provided in the vehicle and connected with the output circuit through a plurality of signal lines, the rectangular wave signal output by the output circuit being input to the input circuit, the communication system performing communication between the vehicle and the power feeding device by superimposing a communication signal onto the signal lines, comprising: a first series circuit in the power feeding device, connected between the signal lines, and comprising: a first communication unit, configured to perform transmission and reception of a communication signal, and a first bandpass filter; a second series circuit in the vehicle, connected between the signal lines, and comprising: a second communication unit, configured to perform transmission and reception of a communication signal, and a second bandpass filter; a first low pass filter interposed between the output circuit and the first communication unit; and a second low pass filter interposed between the input circuit and the second communication unit, wherein one end of the first communication unit of the first series circuit is directly and only connected to one end of the first bandpass filter, and one end of the second communication unit of the second series circuit is directly and only connected to one end of the second bandpass filter.