Title:
POWER RECEIVING DEVICE, ELECTRONIC APPARATUS USING SAME AND NON-CONTACT CHARGER
Document Type and Number:
WIPO Patent Application WO/2007/122788
Kind Code:
A1
Abstract:
Disclosed is an electronic apparatus (1) comprising a power receiving device
(2) and an electronic apparatus main body (3). The power receiving device (2)
comprises a power receiving coil (11) having a spiral coil, a rectifier (12) and
a secondary battery (13). The electronic apparatus main body (3) comprises an
electronic device (14) and a circuit board (15). A magnetic foil body (16) is arranged
in at least one position between the spiral coil (11) and the secondary battery
(13), the rectifier (12), the electronic device (14) or the circuit board (15).
The magnetic foil body (16) has a value expressed as the product of the saturation
flux density Ms and the thickness t, namely Ms·t, of not less than 15.
Inventors:
INOUE TETSUO (JP)
KUSAKA TAKAO (JP)
KUSAKA TAKAO (JP)
Application Number:
PCT/JP2007/000280
Publication Date:
November 01, 2007
Filing Date:
March 22, 2007
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA MATERIALS CO LTD (JP)
INOUE TETSUO (JP)
KUSAKA TAKAO (JP)
TOSHIBA MATERIALS CO LTD (JP)
INOUE TETSUO (JP)
KUSAKA TAKAO (JP)
International Classes:
H01F38/14; H01F1/147; H01F1/153; H01F1/16; H01F27/36; H01M10/44; H02J7/00
Foreign References:
| JPH11176677A | 1999-07-02 | |||
| JPH06163273A | 1994-06-10 | |||
| JP2000091113A | 2000-03-31 | |||
| JP2003257751A | 2003-09-12 | |||
| JPH0879976A | 1996-03-22 | |||
| JPS52153035U | 1977-11-19 | |||
| JPH11345724A | 1999-12-14 | |||
| JP2001090031A | 2001-04-03 | |||
| JPH08264351A | 1996-10-11 |
Attorney, Agent or Firm:
SUYAMA, Saichi (1 Kandata-cho 2-chom, Chiyoda-ku Tokyo 46, JP)
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