Title:
NON-CONTACT CHARGING DEVICE, AND NON-CONTACT POWER SUPPLY SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/038265
Kind Code:
A1
Abstract:
In order to ensure a wide charging area and communication area in a non-contact power supply system having wireless communication, the present non-contact charging device is provided with a resonance coil, a wireless communication antenna coil, a power supply coil, and a sensitivity adjustment circuit connected to the power supply coil, wherein during non-contact power supply, the power supply coil and the resonance coil are electromagnetically coupled and power is supplied from the resonance coil using the magnetic resonance method, and during wireless communication, the wireless communication antenna coil and the resonance coil are coupled, improving sensitivity by the sensitivity adjustment circuit.
Inventors:
ICHIKAWA KATSUEI (JP)
Application Number:
PCT/JP2013/066824
Publication Date:
March 13, 2014
Filing Date:
June 19, 2013
Export Citation:
Assignee:
RENESAS ELECTRONICS CORP (JP)
International Classes:
H02J7/00; H01F38/14; H01M10/46; H02J17/00
Foreign References:
| JP2012065476A | 2012-03-29 | |||
| JP2002315209A | 2002-10-25 | |||
| JP2012060721A | 2012-03-22 | |||
| JP2006353042A | 2006-12-28 |
Other References:
"Nikkei Electronics", 26 March 2007, NIKKEI BUSHINESS PUBLICATIONS, INC., pages: 98
See also references of EP 2894757A4
See also references of EP 2894757A4
Attorney, Agent or Firm:
TAMAMURA, Shizuyo (JP)
Shizuyo Tamamura (JP)
Shizuyo Tamamura (JP)
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