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Title:
WIRELESS POWER SUPPLY SYSTEM AND WIRELESS POWER-RECEIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/038379
Kind Code:
A1
Abstract:
A wireless power supply system has a wireless power-receiving device having a power-receiving coil, and a wireless power-supply device having a power-supply coil, which performs wireless power supply in respect of the aforementioned wireless power-receiving device by means of an electromagnetic induction system using the aforementioned power-supply coil and the aforementioned power-receiving coil. The aforementioned wireless power-receiving device has an LC parallel resonance circuit that is formed by the aforementioned power-receiving coil and a capacitor provided in parallel with this power-receiving coil. The resonant frequency of the aforementioned LC parallel resonance circuit is set to be higher than the transmission frequency of the aforementioned wireless power supply.

Inventors:
AMANO YOSHIHISA
Application Number:
PCT/JP2013/072343
Publication Date:
March 13, 2014
Filing Date:
August 22, 2013
Export Citation:
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Assignee:
SHARP KK (JP)
International Classes:
H02J17/00; H01F38/14; H02J7/00
Domestic Patent References:
WO2012101907A12012-08-02
Foreign References:
JPH08340285A1996-12-24
JP2012130173A2012-07-05
JP2008206233A2008-09-04
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
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