Importance

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Abstract

A communication terminal includes a communication unit and a controller. The communication unit is provided in a supply apparatus that supplies electric power from a power source to an electric device through a feeding line, and is configured to communicate with a destination terminal provided in the electric device. The controller is configured to control a switch to switch turning on and off of the switch electrically connected to the feeding line. The feeding line includes a first line that electrically connects between the power source and the switch, and a second line that electrically connects between the switch and the electric device. At least one of the communication unit and the destination terminal is located away via a space from a conductive member included in the feeding line as to be electrically connected to an electrode coupled via electric field to the conductive member. The communication unit is configured to communicate with the destination terminal by using a signal transmitted via a conductive member included in the second line of the conductive member as a medium. The controller is configured to turn off the switch for a communication period for which the communication unit communicates with the destination terminal.

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First Claim