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:
Nov. 29, 2022
Filed:
Aug. 27, 2019
Guangdong Oppo Mobile Telecommunications Corp., Ltd., Guangdong, CN;
Shiming Wan, Guangdong, CN;
Jialiang Zhang, Guangdong, CN;
Dongsun Yang, Guangdong, CN;
Shangbo Lin, Guangdong, CN;
Jiada Li, Guangdong, CN;
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong, CN;
Abstract
Provided are a wireless charging system, a wireless charging device and a wireless charging method. The wireless charging device includes a voltage conversion circuit, a wireless transmitter circuit and a communication control circuit. The voltage conversion circuit is configured to receive an input voltage and convert the input voltage to obtain an output voltage and an output current. The wireless transmitter circuit is configured to transmit an electromagnetic signal according to the output voltage and the output current of the voltage conversion circuit to perform wireless charging on a device to be charged. The communication control circuit is configured to perform wireless communication with the device to be charged during the wireless charging, to adjust a transmitting power of the wireless transmitter circuit, such that the transmitting power matches a charging voltage and/or a charging current required by a present charging stage of the battery.