Title:
WIRELESS CHARGING METHOD AND APPARATUS AND SYSTEM THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/142234
Kind Code:
A1
Abstract:
The present invention relates to a wireless charging method and apparatus and system therefor. A wireless power transmission apparatus for wirelessly transmitting power to a wireless power receiving apparatus according to one embodiment of the present invention comprises: a power transmission unit for sending a power signal through a transmission coil; a power conversion unit for converting an intensity of the power applied from the outside and transferring the converted power to the power transmission unit; a communication unit for receiving a packet from the wireless power receiving apparatus; and a control unit for controlling power on the basis of a control error value received through the communication unit, wherein, when an unexpected packet is received in a power transmission stage, the control unit may control power by applying a predetermined offset to the control error value. Thus, the present invention has an advantage of being able to minimize the interruption of wireless charging.
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Inventors:
JO MIN YOUNG (KR)
LEE JONG HEON (KR)
CHAE YONG SUK (KR)
LEE JONG HEON (KR)
CHAE YONG SUK (KR)
Application Number:
PCT/KR2017/001110
Publication Date:
August 24, 2017
Filing Date:
February 02, 2017
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02J50/80; H02J7/02
Domestic Patent References:
| WO2015007696A1 | 2015-01-22 |
Foreign References:
| KR20140007273A | 2014-01-17 | |||
| JP2014529287A | 2014-10-30 | |||
| KR101228105B1 | 2013-02-07 | |||
| KR20140113147A | 2014-09-24 |
Other References:
See also references of EP 3432445A4
Attorney, Agent or Firm:
PARK, Young Bok et al. (KR)
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