Title:
PATCH ANTENNA AND VEHICLE-MOUNTED ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/073667
Kind Code:
A1
Abstract:
Metal wall sections (41, 42) are provided outside the peripheral edge of a plate-shaped radiation element (31) such that wall surfaces intersect a line connecting the center of the radiation element (31) and a power supply point. In addition, it is more preferable that the metal wall sections (41, 42) be set in a form where the metal wall sections (41, 42) protrude in a radiation direction from the radiation element (31). In addition, it is more preferable that the metal wall sections (41, 42) be disposed in a state where the metal wall sections (41, 42) are electrically non-conductive to a ground plate (33).
Inventors:
SAMPO TAKESHI (JP)
Application Number:
PCT/JP2018/028892
Publication Date:
April 18, 2019
Filing Date:
August 01, 2018
Export Citation:
Assignee:
YOKOWO SEISAKUSHO KK (JP)
International Classes:
H01Q1/32; H01Q13/08
Domestic Patent References:
| WO2008136408A1 | 2008-11-13 |
Foreign References:
| JPH03157005A | 1991-07-05 | |||
| JP2002009537A | 2002-01-11 | |||
| JP2012070156A | 2012-04-05 | |||
| JP2004320214A | 2004-11-11 | |||
| JP2005294892A | 2005-10-20 | |||
| JP2003347838A | 2003-12-05 |
Other References:
See also references of EP 3696914A4
Attorney, Agent or Firm:
KURODA Yasushi et al. (JP)
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