Title:
ANTENNA DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/073588
Kind Code:
A1
Abstract:
A coil antenna (12) is mounted on a circuit board (11). A wiring pattern (14) is formed on the circuit board (11) and connects the coil antenna (12) and a power supply circuit (13) to each other. A conductor pattern (151) is formed on the circuit board (11) and is located on the outside of the region enclosed by the coil antenna (12), the power supply circuit (13), and the wiring pattern (14). A conductor pattern (152) is formed on the circuit board (11) and is located on the inside of the region enclosed by the coil antenna (12), the power supply circuit (13), and the wiring pattern (14). Connecting conductors (16, 153) are formed on the circuit board (11), and connect the conductor pattern (151) and the conductor pattern (152) to each other. The connecting conductor (16) is configured so as to include interlayer connecting conductors (161A, 161B).
Inventors:
TENNO NOBUYUKI (JP)
Application Number:
PCT/JP2016/081665
Publication Date:
May 04, 2017
Filing Date:
October 26, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01Q1/24; G06K19/077; H01Q7/00; H04B5/02
Foreign References:
| JP2010271803A | 2010-12-02 | |||
| US20120055998A1 | 2012-03-08 | |||
| JP2007243468A | 2007-09-20 | |||
| JP2014211789A | 2014-11-13 | |||
| DE19733849A1 | 1998-06-04 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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