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 (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 1058001, JP)
井上哲夫 (〒01 東京都港区芝浦一丁目１番１号株式会社 東芝 知的財産部内 Tokyo, 1058001, JP)
井上哲夫 (〒01 東京都港区芝浦一丁目１番１号株式会社 東芝 知的財産部内 Tokyo, 1058001, JP)
Application Number:
JP2007/000280
Publication Date:
November 01, 2007
Filing Date:
March 22, 2007
Export Citation:
Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 01, 1058001, JP)
株式会社 東芝 (〒01 東京都港区芝浦一丁目１番１号 Tokyo, 1058001, JP)
TOSHIBA MATERIALS CO., LTD. (8 Shinsugita-cho, Isogo-ku Yokohama-sh, Kanagawa 22, 2358522, JP)
東芝マテリアル株式会社 (〒22 神奈川県横浜市磯子区新杉田町８番地 Kanagawa, 2358522, JP)
株式会社 東芝 (〒01 東京都港区芝浦一丁目１番１号 Tokyo, 1058001, JP)
TOSHIBA MATERIALS CO., LTD. (8 Shinsugita-cho, Isogo-ku Yokohama-sh, Kanagawa 22, 2358522, JP)
東芝マテリアル株式会社 (〒22 神奈川県横浜市磯子区新杉田町８番地 Kanagawa, 2358522, JP)
International Classes:
H01F38/14; H01F27/36; H01M10/44; H02J7/00; H02J17/00
Attorney, Agent or Firm:
SUYAMA, Saichi (Kanda Higashiyama Bldg, 1 Kandata-cho 2-chom, Chiyoda-ku Tokyo 46, 1010046, JP)
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