Patent ID: 11929470
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An electronic device comprising:
an antenna;
a connector configured to be connected to a wired external power supply;
a first battery;
a second battery;
a power supply switching circuit;
an internal circuit electrically connected to the first battery and the second battery via the power supply switching circuit; and
a charge switching circuit configured to switch an electric power supply to the first battery via the connector into an electric power supply to the first battery via the antenna when the electronic device detects disconnection of an electrical path between the connector and the external power supply,
wherein the electronic device is configured to perform discharging of the second battery to operate the internal circuit and charging the first battery via the antenna at the same time.