Electronic unit and power feeding system

A power feeding system, comprising:

• at least one electronic unit;
• and
• a power feeding unit configured to transmit a power to the at least one electronic circuit via one of a magnetic field or an electric field,
• wherein each electronic unit of the at least one electronic unit includes:
• an electricity reception section configured to receive a power transmitted via one of the magnetic field or the electric field;
• a charging section configured to store the power;
• wherein a charging period and a communication period are set in a time-divisional manner;
• and
• a state notification section configured to:
• notify information of the electronic unit to an outside environment of the electronic unit;
• and
• notify, in the communication period, the information of the electronic unit based on the stored power in the charging section.