Title:
ON-VEHICLE ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/221188
Kind Code:
A1
Abstract:
This on-vehicle antenna device to which a plurality of antenna elements are provided is provided with: a reception unit that receives a wireless signal via the antenna elements; and a switching unit that is interposed between the reception unit and the antennal elements and performs switching to one of the antenna elements to be connected to the reception unit, wherein the respective antenna elements are arranged such that the dipping direction based on the horizontally polarized wave directivity of one of the antenna elements is different from the dipping direction based on the horizontally polarized wave directivity of at least another one of the antenna elements.
Inventors:
ISHIKO SHINICHI (JP)
TAKAOKA HARUHIKO (JP)
TAKAOKA HARUHIKO (JP)
Application Number:
PCT/JP2018/018586
Publication Date:
December 06, 2018
Filing Date:
May 14, 2018
Export Citation:
Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H04B7/08; H01Q3/24; H01Q9/04
Domestic Patent References:
| WO2010095356A1 | 2010-08-26 |
Foreign References:
| JP2006128950A | 2006-05-18 | |||
| JP2009060169A | 2009-03-19 | |||
| JP2014175686A | 2014-09-22 |
Attorney, Agent or Firm:
KOHNO, Hideto et al. (JP)
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