Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/121482
Kind Code:
A1
Abstract:
[Problem] To make it so that radiated waves are not reflected inside a case when a plurality of antennas that correspond to different frequencies have been installed. [Solution] Provided is an antenna device that comprises: a first antenna that operates at a first frequency; and a second antenna that is provided outside a case from the first antenna, operates at a second frequency that is lower than the first frequency, and has an opening provided in the radiation direction of the first antenna.
Inventors:
HIRAOKA YOSHIAKI (JP)
SUZUKI YUICHIRO (JP)
ITO TAKAYOSHI (JP)
OMURO TOMIHIRO (JP)
OZONE TORU (JP)
SATO JIN (JP)
SUZUKI YUICHIRO (JP)
ITO TAKAYOSHI (JP)
OMURO TOMIHIRO (JP)
OZONE TORU (JP)
SATO JIN (JP)
Application Number:
PCT/JP2018/045880
Publication Date:
June 18, 2020
Filing Date:
December 13, 2018
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H01Q1/52; H01Q1/24; H01Q5/10; H01Q13/08
Domestic Patent References:
| WO2018186065A1 | 2018-10-11 | |||
| WO2011024722A1 | 2011-03-03 |
Foreign References:
| JP3212835U | 2017-10-05 | |||
| JPH02252304A | 1990-10-11 | |||
| US20170294705A1 | 2017-10-12 | |||
| JP2001102849A | 2001-04-13 | |||
| JP2010130534A | 2010-06-10 | |||
| JP2012134950A | 2012-07-12 |
Other References:
See also references of EP 3883058A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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