Title:
COIL ANTENNA AND ELECTRONIC DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/010471
Kind Code:
A1
Abstract:
Disclosed is a coil antenna (1) provided with a cylindrical magnetic core (4) and a wire (5) wound around the cylindrical magnetic core (4). The cylindrical magnetic core (4) is provided with: a cylindrical magnet (2) comprising a mixture of a soft magnetic powder and an organic binder; and an insulator (3) that covers the surface of the cylindrical magnet (2).
Inventors:
INOUE TETSUO (JP)
Application Number:
PCT/JP2010/004717
Publication Date:
January 27, 2011
Filing Date:
July 23, 2010
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA MATERIALS CO LTD (JP)
INOUE TETSUO (JP)
TOSHIBA MATERIALS CO LTD (JP)
INOUE TETSUO (JP)
International Classes:
H01Q7/08; H01F17/04
Domestic Patent References:
| WO2005041224A1 | 2005-05-06 |
Foreign References:
| JP2005184424A | 2005-07-07 | |||
| JP2008193187A | 2008-08-21 | |||
| JP2005347966A | 2005-12-15 | |||
| JP2008033706A | 2008-02-14 | |||
| JP2007060138A | 2007-03-08 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
Patent business corporation cherry tree international patent firm (JP)
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