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Title:
WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND CONTROL METHODS THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/217686
Kind Code:
A1
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.

Inventors:
LEE, Kyung-Woo (#251-503, Olympic Seonsuchon APT. 1218, Yangjae-daero,Songpa-gu, Seoul, 05649, KR)
KWON, Sang-Wook (#113-901, Jangantown Kunyoung APT. 24, Bundang-ro 263beon-gil, Bundang-gu,Seongnam-si, Gyeonggi-do, 13583, KR)
PARK, Sung-Kweon (#102-3503, Daewoo World Mark APT. 1620, Bongyeong-ro, Yeongtong-gu,Suwon-si, Gyeonggi-do, 16704, KR)
Application Number:
KR2017/005905
Publication Date:
December 21, 2017
Filing Date:
June 07, 2017
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO., LTD. (129 Samsung-ro, Yeongtong-guSuwon-si, Gyeonggi-do, 16677, KR)
International Classes:
H02J50/12; H02J7/02; H02J50/90; H04B5/00
Domestic Patent References:
WO2015102454A12015-07-09
Foreign References:
US20150340906A12015-11-26
US20140141715A12014-05-22
US20120280650A12012-11-08
US20150207340A12015-07-23
US20160087447A12016-03-24
Other References:
See also references of EP 3446395A4
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (Mihwa Bldg, 16 Daehak-ro 9-gilChongro-gu, Seoul, 03079, KR)
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