CONTACTLESS ELECTRIC-POWER SUPPLYING DEVICE

WIPO Patent Application WO/2010/137495

A1

Provided is a contactless electric-power supplying device (10) that can supply electric-power efficiently, even when the distance between an electricity-supplying unit (11) and an electricity-receiving unit (13) is kept apart. The contactless electric-power supplying device (10), provided with the electricity-supplying unit (11) that is equipped with a primary coil (14) connected to a high-frequency power supply (16); and the electricity-receiving unit (13) that is arranged facing the electricity-supplying unit (11), via a gap, and equipped with a secondary coil (23) that is magnetically coupled to the primary coil (14) and receives supply of electric-power from the primary coil (14); also has a primary-side resonance coil (15), which is magnetically coupled to the primary coil (14), and which has a first resonance capacitor (17) connected thereto, installed onto the electricity-supplying unit (11); and has a secondary-side resonance coil (22), which is magnetically coupled to the secondary coil (23), and which has a second resonance capacitor (34) connected thereto, installed onto the electricity-receiving unit (13).

HONDA YUTAKA (JP)
KATAOKA YOSHINORI (JP)

PCT/JP2010/058379

December 02, 2010

May 18, 2010

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NIPPON TECMO CO LTD (JP)
HONDA YUTAKA (JP)
KATAOKA YOSHINORI (JP)

H01F38/14

WO1998050993A1	1998-11-12
WO2006011769A1	2006-02-02

EP0253345A2	1988-01-20
JP4318742B1	2009-08-26

NAKAMAE FUJIO (JP)
Fujio Nakamae (JP)

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