Title:
ANTENNA DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/122499
Kind Code:
A1
Abstract:
In an electronic device comprising a spiral coil conductor and used in both a first non-contact transmission system and a second non-contact transmission system, a coil antenna (10) has an inner peripheral coil (11) and an outer peripheral coil (12) that are connected in series. Both ends of the coil antenna (10) are connected to a first system circuit (1), both ends of the inner peripheral coil (11) are connected to the outer peripheral coil (12), and the outer peripheral coil (12) functions as a booster that joins to the inner peripheral coil (11) via an electromagnetic field.
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Inventors:
OZAWA MASAHIRO (JP)
MIKAWA KENTARO (JP)
MIKAWA KENTARO (JP)
Application Number:
PCT/JP2016/087702
Publication Date:
July 20, 2017
Filing Date:
December 19, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q1/24; H01Q7/00; H01Q9/14
Foreign References:
| JP2012019302A | 2012-01-26 | |||
| JP2012070529A | 2012-04-05 | |||
| JP2013093429A | 2013-05-16 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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