Title:
ON-BOARD ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/114161
Kind Code:
A1
Abstract:
To ensure isolation between multiple antenna elements disposed within a narrow space while also reducing the size of an on-board antenna device, this on-board antenna device (100) comprises: an antenna case (101); a base (102) that forms an accommodation space together with the antenna case (101); and a first antenna element (122) and a second antenna element (123) that are accommodated in the accommodation space. The first antenna element (122) and the second antenna element (123) at least transmit or receive radio waves of different frequency bands. The first antenna element (122) has, in at least a portion thereof, a meandering shape in a first direction that intersects a polarized wave of a radio wave transmitted or received by the second antenna element (123).
Inventors:
TERASHITA NORITAKA (JP)
ONO MOTOHISA (JP)
HOSHI TOMOHIRO (JP)
YOKOTA YUSUKE (JP)
IWASAKI SATOSHI (JP)
ONO MOTOHISA (JP)
HOSHI TOMOHIRO (JP)
YOKOTA YUSUKE (JP)
IWASAKI SATOSHI (JP)
Application Number:
PCT/JP2021/043509
Publication Date:
June 02, 2022
Filing Date:
November 26, 2021
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H01Q1/32; B60R11/02; H01Q1/52; H01Q21/24; H01Q21/30
Domestic Patent References:
| WO2019078303A1 | 2019-04-25 | |||
| WO2017141635A1 | 2017-08-24 | |||
| WO2020070595A1 | 2020-04-09 |
Foreign References:
| JP2012034226A | 2012-02-16 | |||
| JP2016208383A | 2016-12-08 | |||
| US20160064807A1 | 2016-03-03 | |||
| JP2020196868A | 2020-12-10 |
Attorney, Agent or Firm:
HAYAMI Shinji et al. (JP)
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