Electronic device and control method thereof

摘要

An electronic device including a solar cell, an energy storage unit, a control unit, and a controlled unit is provided. The solar cell converts light energy to electric energy. The energy storage unit performs charging by the electric energy. The control unit determines the intensity of the light energy according to an energy value of the electric energy and generates a correction signal accordingly, wherein the energy value is a current value or a voltage value. The controlled unit controls a characteristic parameter according to the correction signal.

主权项

1. An electronic device comprising:
a solar cell, converting light energy to electric energy; an energy storage unit, connected to the solar cell to perform charging by using the electric energy; a control unit, connected to the solar cell to determine the intensity of the light energy according to an energy value of the electric energy and to generate a correction signal, wherein the control unit comprises:
a reference signal generator, electrically connected to the solar cell and generating a reference signal according to the energy value of the electric energy; anda corrector, electrically connected to the reference signal generator and generating the correction signal according to the reference signal; and a controlled unit, connected to the control unit and controlling a characteristic parameter based on the correction signal.