METHOD OF POWER TRANSMITTING UNIT (PTU) FOR DETERMINING LOCATION OF POWER RECEIVING UNIT (PRU), AND PTU EMPLOYING THE METHOD

Title:

METHOD OF POWER TRANSMITTING UNIT (PTU) FOR DETERMINING LOCATION OF POWER RECEIVING UNIT (PRU), AND PTU EMPLOYING THE METHOD

Document Type and Number:

WIPO Patent Application WO/2015/037861

Kind Code:

A1

Abstract:

A power transmitting unit (PTU) transmits a power wirelessly based on a location of a power receiving unit (PRU). The PTU determines whether the PRU is located within a charging area of the PTU based on frequency information corresponding to an inflection point detected on a curve of electrical characteristics of a resonator of the PTU.

Inventors:

KIM BONG CHUL (KR)
KWON SANG WOOK (KR)
KIM KI YOUNG (KR)
KIM DONG ZO (KR)
PARK YUN KWON (KR)
PARK JAE HYUN (KR)
SONG KEUM SU (KR)
AHN CHI HYUNG (KR)
RYU YOUNG HO (KR)
LEE BYOUNG HEE (KR)

Application Number:

PCT/KR2014/008228

Publication Date:

March 19, 2015

Filing Date:

September 03, 2014

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H02J17/00

Domestic Patent References:

WO2013077086A1

2013-05-30

Foreign References:

US20120280575A1	2012-11-08
US20110081857A1	2011-04-07
US20120038220A1	2012-02-16
US20100189197A1	2010-07-29
US20110241437A1	2011-10-06
US20110081857A1	2011-04-07
US20120038220A1	2012-02-16

Other References: