Foreign object detection apparatus and method
Grant
US12580423B2
Kind: B2
Mar 17, 2026
Assignee
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Inventors
Songnan Yang, Donghao Wu, Xiaoqing Hu
Abstract
A method includes performing a power loss calibration on a wireless power transfer system, enabling a wireless power transfer on the wireless power transfer system, calculating a power loss of the wireless power transfer system based on the power loss calibration, measuring a coupling factor between a transmitter coil and a receiver coil of the wireless power transfer system, and determining whether to continue the wireless power transfer of the wireless power transfer system based on the calculated power loss and the measured coupling factor.
CPC Classifications
H02J 50/60
H02J 50/80
H02J 50/12
H02J 50/40
H02J 50/10
H02J 50/402
H02J 50/90
H02J 50/20
H02J 7/00045
H02J 7/02
H02J 50/15
H02J 50/50
H02J 50/70
H02J 7/00034
H02J 50/005
H04B 5/263
H04B 5/48
H04B 5/79
H04B 5/266
H04B 5/73
G01R 27/2611
G01R 27/26
B60L 53/122
Filing Date
2021-12-09
Application No.
17643465
Claims
15