Title:
HIGH EFFICIENCY WIRELESS CHARGER
Document Type and Number:
WIPO Patent Application WO/2013/022255
Kind Code:
A3
Abstract:
Provided is a receiving unit for a wireless power system that wirelessly transmits power. The wireless power system is configured such that coils for transmitting or receiving electrical energy are arranged, each coil is wound to form first to nth turns, each coil has a multi-layer structure of two or more layers, the coils overlap one another, and each coil has a dummy coil having a separate current flow path. Thus, the wireless power system exhibits the effects of selectively receiving wireless power according to the condition of a wireless power transmitting unit, and obtaining improved receiving efficiency.
Inventors:
NUALPHA GI-YONG (KR)
KIM SI-HAN (KR)
KIM SI-HAN (KR)
Application Number:
PCT/KR2012/006256
Publication Date:
June 13, 2013
Filing Date:
August 07, 2012
Export Citation:
Assignee:
KTHEPOWER INC (KR)
NUALPHA GI-YONG (KR)
KIM SI-HAN (KR)
NUALPHA GI-YONG (KR)
KIM SI-HAN (KR)
International Classes:
H02J7/00; H01F38/14; H02J17/00
Foreign References:
| JP2002305111A | 2002-10-18 | |||
| JP2005109173A | 2005-04-21 | |||
| KR20100082030A | 2010-07-15 | |||
| KR20100098715A | 2010-09-08 |
Attorney, Agent or Firm:
DAWOOL PATENT AND LAW FIRM (Hyejeon Bldg.224 Bongeunsa-ro, Gangnarn-gu, Seoul 135-913, KR)
Download PDF:
Claims:
Previous Patent: METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FRAME ON THE BASIS OF FREQUENCY SELECTION TRANSM...
Next Patent: OPTICAL FILTER
Next Patent: OPTICAL FILTER