SYSTEM, DEVICE AND METHOD OF WIRELESS CHARGING AND CHARGED DEVICE Russian patent published in 2020 - IPC H02J7/00 H02J50/00 

FIELD: electrical equipment.

SUBSTANCE: invention relates to the electrical equipment. Wireless charging device comprises a wireless transmission scheme and a first communication control circuit; rechargeable device comprises a battery, a wireless reception circuit, a detection circuit and a second communication control circuit. Second communication control circuit is configured to perform wireless communication with a first communication control circuit in order to send at least one of the output voltage and output current of the wireless reception circuit detected by the detection circuit to the first communication control circuit, whereby the first communication control circuit controls transmission power of the wireless transmission circuit so as to meet the battery charging requirements, wherein the communication control circuitry made with possibility to control transfer power of wireless transmission scheme, is adapted during the process of wireless charging scheme of wireless charging of charged device, in accordance with the maximum output power of the power supply device, adjust the power value picked up by the wireless transmission circuit from the maximum output power to adjust the transmission power of the wireless transmission scheme.

EFFECT: technical result is higher efficiency of wireless charging.

22 cl, 13 dwg