Title:
ANTENNA DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/138296
Kind Code:
A1
Abstract:
An antenna device (101) is provided with: a first coil antenna conductor (L1) having a first end (E1) and a second end (E2); a second coil antenna conductor (L2) having a third end (E3) and a fourth end (E4); and a switching circuit (11). The first coil antenna conductor (L1) is wound around an axis (AX1), and the second coil antenna conductor (L2) is wound around an axis (AX2). The switching circuit (11) switches the first coil antenna conductor (L1) and the second coil antenna conductor (L2) from a connection state including series connection and parallel connection.
Inventors:
MIKAWA KENTARO (JP)
SUESADA TSUYOSHI (JP)
SUESADA TSUYOSHI (JP)
Application Number:
PCT/JP2017/000959
Publication Date:
August 17, 2017
Filing Date:
January 13, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q7/00; H01Q5/10; H01Q5/30; H02J50/10; H04B5/00
Foreign References:
JP2013093429A | 2013-05-16 | |||
JP2012070529A | 2012-04-05 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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