The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2024
Filed:
Dec. 05, 2019
Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd., Foshan, CN;
Midea Group Co., Ltd., Foshan, CN;
Shouliang Gu, Foshan, CN;
Kunren Yin, Foshan, CN;
Yuanyang Zuo, Foshan, CN;
Sanying Yu, Foshan, CN;
Junfeng Hou, Foshan, CN;
GUANGDONG MIDEA WHITE HOME APPLIANCE TECHNOLOGY INNOVATION CENTER CO., LTD., Foshan, CN;
MIDEA GROUP CO., LTD., Foshan, CN;
Abstract
A wireless power transmission system includes: an electrical energy-receiving oscillation circuit including an electrical energy-receiving coil Land a compensation capacitor Cconnected in series, the electrical energy-receiving coil Lsensing an alternating magnetic field and generating an induction current accordingly; a rectifier circuit connected to two ends of the electrical energy-receiving oscillation circuit; and a modulation circuit including multiple modulation sub-circuits, each of the modulation sub-circuits being separately connected to the electrical energy-receiving oscillation circuit, and the modulation circuit receiving a drive signal used to select a modulation sub-circuit matching a power level of a load of the wireless power transmission receiving circuit to operate, and the modulation sub-circuits receive, during a communication process, a communication signal and load the communication signal on a carrier signal to perform modulation.