Patent ID: 11936212
Assignee: CANON KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 18:
19. A method for controlling a control system comprising a power transmission unit configured to wirelessly transmit alternating-current power, and a power reception unit configured to receive the alternating-current power wirelessly transmitted from the power transmission unit, the method comprising:
switching the alternating-current power at a timing based on a first clock signal and wirelessly transmitting the switched alternating-current power using a first switching unit of the power transmission unit;
wirelessly transmitting the first clock signal using a clock transmission unit of the power transmission unit;
receiving the first clock signal wirelessly transmitted from the clock transmission unit using a clock reception unit of the power reception unit;
detecting an amount of electric power and a switching timing of the alternating-current power wirelessly transmitted by the first switching unit using a first detection unit of the power reception unit;
generating, using a first clock generation unit of the power reception unit, a second clock signal based on the switching timing detected by using the first detection unit; and
selecting, using a first clock selection unit of the power reception unit, a clock signal based on the first or second clock signal in accordance with the amount of electric power detected by using the first detection unit; and
switching, using a first rectifying unit of the power reception unit, the alternating-current power wirelessly transmitted by using the first switching unit at a timing
based on the clock signal selected by using the first clock selection unit.