Title:
IN-VEHICLE ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/174818
Kind Code:
A1
Abstract:
The purpose of the present invention is to prevent, in an in-vehicle antenna device including a plurality of antennas, an increase in the size of portions disposed above a flat region of the roof. An in-vehicle antenna device 1 is provided with a first antenna element 31 and a second antenna element 32. At least an upper portion of the first antenna element 31 is covered with a protruding region 71 of a resin roof. The second antenna element 32 is disposed below a flat region 72. The in-vehicle antenna device 1 is further provided with a ground plate 22. The ground plate 22 is larger than the second antenna element 32.
Inventors:
AMBE TOMIO (JP)
TAMAI RYOTA (JP)
HIROSAWA TAKESHI (JP)
TAMAI RYOTA (JP)
HIROSAWA TAKESHI (JP)
Application Number:
PCT/JP2019/049132
Publication Date:
September 03, 2020
Filing Date:
December 16, 2019
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
B60R11/02; H01Q1/22; H01Q1/32; H01Q1/42; H01Q21/30
Domestic Patent References:
| WO2016147815A1 | 2016-09-22 |
Foreign References:
| US20070279304A1 | 2007-12-06 | |||
| JP2011109296A | 2011-06-02 | |||
| JPS6314277B2 | 1988-03-30 | |||
| US20110298678A1 | 2011-12-08 | |||
| US8836604B2 | 2014-09-16 |
Other References:
See also references of EP 3932745A4
Attorney, Agent or Firm:
NONAKA, Takeshi (JP)
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