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:
Jul. 19, 2022
Filed:
Jun. 17, 2019
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Kyung-Woo Lee, Seoul, KR;
Kang-Ho Byun, Gyeongg-do, KR;
Young-Min Lee, Gyeonggi-do, KR;
Se-Ho Park, Gyeonggi-do, KR;
Abstract
Provided is a method of a wireless power transmitter, including transmitting a detection power, detecting a variation of a load impedance, the variation being greater than a predetermined value, receiving a first signal including an identifier and a load characteristic of the wireless power receiver, the load characteristic including load information indicating the variation of the load impedance, transmitting a first response to form a communication connection with a wireless power receiver in response to the first signal, receiving a second signal including required power information of the wireless power receiver, determining whether power is available to the wireless power receiver based on the required power information, and transmitting a second response including permission information indicating a standby mode or a charging mode based on a result of the determining.