Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/030773
Kind Code:
A1
Abstract:
A power transmission unit which is configured by one-dimensionally or two-dimensionally arranging a plurality of coils transmits power by radio by propagating power to adjacent coils by electromagnetic coupling and leaking an electromagnetic field to the surroundings. A power supply unit supplies power to one or more of the coils of the power transmission unit. A power reception unit receives the transmitted power from the power transmission unit. One or more coils of the one-dimensional or two-dimensional coil arrangement structure in the power transmission unit are each loaded with a reactive element.
Inventors:
KOBAYASHI NAOKI (JP)
FUKUDA HIROSHI (JP)
NARUSUE YOSHIAKI (JP)
KAWAHARA YOSHIHIRO (JP)
ASAMI TOHRU (JP)
FUKUDA HIROSHI (JP)
NARUSUE YOSHIAKI (JP)
KAWAHARA YOSHIHIRO (JP)
ASAMI TOHRU (JP)
Application Number:
PCT/JP2013/073237
Publication Date:
February 27, 2014
Filing Date:
August 23, 2013
Export Citation:
Assignee:
NEC CORP (JP)
UNIV TOKYO (JP)
UNIV TOKYO (JP)
International Classes:
H02J17/00
Foreign References:
| JP2012075304A | 2012-04-12 | |||
| JP2011259585A | 2011-12-22 |
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (JP)
Noriyasu Ikeda (JP)
Noriyasu Ikeda (JP)
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