Patent ID: 11949245
Assignee: ABB POWER ELECTRONICS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A wireless power supply device comprising:
a first circuit coupled to a DC supply, wherein the first circuit is configured to convert a DC voltage of the DC supply into an AC voltage to enable wireless power transmission between the wireless power supply device and a wireless powered device;
a pulse signal receiver configured to receive a first pulse signal from the wireless powered device and to generate a second pulse signal based on the first pulse signal, the first pulse signal being generated based on a feedback signal of the wireless powered device indicating information associated with a received power of the wireless powered device; and
a first control unit coupled to the first circuit and the pulse signal receiver, and configured to control conversion of the first circuit based on the second pulse signal.