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:
Dec. 21, 2021
Filed:
Jun. 16, 2017
Applicant:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01); H02J 50/60 (2016.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01); H02J 50/12 (2016.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H04B 5/0037 (2013.01); H02J 7/025 (2013.01); H02J 50/12 (2016.02); H02J 50/60 (2016.02); H02J 50/80 (2016.02); H02J 50/90 (2016.02);
Abstract
A wireless power transmitter, a wireless power receiver, and control methods thereof are provided. The wireless power transmitter includes a Near-Field Communication (NFC) antenna for NFC, a power supply, a NFC module, a resonator that wirelessly transmits power to a wireless power receiver, and a controller that controls the power supply to apply a beacon power for detecting an impedance change that is caused by placement of the wireless power receiver on the wireless power transmitter, to the resonator during a first time period, and controls the NFC module to apply NFC tag detection power to the NFC antenna during a second time period.