Title:
FO DETECTION METHOD AND DEVICE AND SYSTEM THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/179826
Kind Code:
A1
Abstract:
The present invention relates to a foreign object (FO) detection method for wireless charging, and a device and a system therefor. The FO detection method on a wireless power transmitter, according to one embodiment of the present invention, may comprise the steps of: receiving a second packet comprising a second reference quality factor value; determining a threshold value by using the second reference quality factor value; measuring the current quality factor value; and detecting an FO on the basis of the threshold value and the current quality factor value. Thus, the present invention has the advantage of enabling an FO to be more effectively detected.
Inventors:
PARK JAE HEE (KR)
KWON YONG IL (KR)
KWON YONG IL (KR)
Application Number:
PCT/KR2017/002888
Publication Date:
October 19, 2017
Filing Date:
March 17, 2017
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02J50/60; H02J7/02; H02J50/90
Domestic Patent References:
| WO2015069780A1 | 2015-05-14 |
Foreign References:
| JP2015165761A | 2015-09-17 | |||
| KR20140076626A | 2014-06-20 | |||
| KR101213649B1 | 2012-12-18 | |||
| KR20120128570A | 2012-11-27 |
Attorney, Agent or Firm:
PARK, Young Bok et al. (KR)
Download PDF:
Previous Patent: LOW-COST ONE-WAY VALVE DEVICE
Next Patent: BATTERY CHARGING/DISCHARGING CONTROL DEVICE AND METHOD FOR CONTROLLING SAME
Next Patent: BATTERY CHARGING/DISCHARGING CONTROL DEVICE AND METHOD FOR CONTROLLING SAME