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Patent Searching and Data


Title:
DEVICE AND METHOD FOR CONTROLLING TRANSMISSION OF POWER IN WIRELESS POWER TRANSMITTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/194524
Kind Code:
A1
Abstract:
The present invention relates to a device and method for controlling transmission of power in a wireless power transmitting system. The present specification discloses a wireless power transmitting method comprising the steps of: performing a digital ping on each of a plurality of coil combinations formed from a plurality of primary coils; receiving a signal intensity packet of each of the coil combinations from the wireless power receiving device; and forming the magnetic coupling by operating a coil combination selected on the basis of the signal intensity packet, and transmitting wireless power to the wireless power receiving device on the basis of the magnetic coupling. Therefore, an optimal multi-coil can be rapidly selected according to the location of the wireless power receiving device.

Inventors:
PARK, Joonho (IP Center, LG Electronics Inc.19, Yangjae-daero 11-gil,Seocho-gu, Seoul, 06772, KR)
KWAK, Bongsik (IP Center, LG Electronics Inc.19, Yangjae-daero 11-gil,Seocho-gu, Seoul, 06772, KR)
KIM, Sungkyu (IP Center, LG Electronics Inc.19, Yangjae-daero 11-gil,Seocho-gu, Seoul, 06772, KR)
LEE, Jihyun (IP Center, LG Electronics Inc.19, Yangjae-daero 11-gil,Seocho-gu, Seoul, 06772, KR)
Application Number:
KR2019/003849
Publication Date:
October 10, 2019
Filing Date:
April 02, 2019
Export Citation:
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Assignee:
LG ELECTRONICS INC. (128 Yeoui-daero, Yeongdeungpo-guSeoul, 07336, KR)
International Classes:
H02J7/02; H02J50/00; H04B5/00
Foreign References:
KR20140060186A2014-05-19
KR20170053237A2017-05-16
KR20160051502A2016-05-11
KR20160107776A2016-09-19
US20160285317A12016-09-29
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (5F 124, Teheran-roGangnam-gu, Seoul, 06234, KR)
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