Title:
ANTENNA DEVICE AND RADIO
Document Type and Number:
WIPO Patent Application WO/2017/208557
Kind Code:
A1
Abstract:
The present invention inhibits deterioration in antenna performance of an antenna element disposed in a position enclosed in a metallic frame. This antenna device (1) is provided with: a first antenna element (12) that operates in a first frequency band; a first electricity supply unit (11) connected to the first antenna element (12); and a metallic frame (14), wherein the first electricity supply unit (11) and the metallic frame (14) are connected via a first impedance control unit (13) that controls impedance in the first frequency band.
Inventors:
SUETAKE HIROYASU
TAKEBE HIROYUKI
TAKEBE HIROYUKI
Application Number:
PCT/JP2017/009870
Publication Date:
December 07, 2017
Filing Date:
March 13, 2017
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H01Q5/371; H01Q1/24; H01Q1/50
Domestic Patent References:
| WO2015134117A1 | 2015-09-11 |
Foreign References:
| JP2016058884A | 2016-04-21 | |||
| US20160093955A1 | 2016-03-31 | |||
| US20160049719A1 | 2016-02-18 | |||
| JP2015156537A | 2015-08-27 | |||
| US20140292598A1 | 2014-10-02 | |||
| EP2784873A1 | 2014-10-01 | |||
| US20140266923A1 | 2014-09-18 | |||
| US20130057437A1 | 2013-03-07 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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