| abstract |
[Problem] To propose a novel and improved communication system with which it is possible to increase convenience for a user. [Solution] Provided is a communication system equipped with a solar cell having a light-receiving surface for receiving irradiation light, an electricity storage device installed on the reverse surface of the light-receiving surface, and a circuit board having an antenna for communication, the circuit board being installed on the reverse surface of a surface of the electricity storage device that faces the solar cell. |