Title:
パッチアンテナ装置
Document Type and Number:
Japanese Patent JP4871949
Kind Code:
B2
Abstract:
Provided is an in-vehicle patch antenna device which has a reduced size and multiple functions while improving performance. An in-vehicle patch antenna device includes a substrate (10), a ground conductor (20) provided on the substrate (10), an antenna element section (30) and a reporting circuit section (40). The antenna element section (30) has a feeding section (31) and is provided on a surface of the substrate (10) opposite to a surface on which the ground conductor (20) is provided. The reporting circuit section (40) is provided on the substrate (10) and connected around an area in a periphery of the antenna element section (30) at which current distribution is minimal other than the peripheral area thereof where the feeding section (31) is provided.
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Inventors:
Shinji Iino
Seiichi Wada
Ryuichi Taira
Seiichi Wada
Ryuichi Taira
Application Number:
JP2008323088A
Publication Date:
February 08, 2012
Filing Date:
December 19, 2008
Export Citation:
Assignee:
Harada Industry Co., Ltd.
International Classes:
H01Q13/08; H01Q1/32
Domestic Patent References:
| JP2006245866A | ||||
| JP2006166041A | ||||
| JP11251826A |
Attorney, Agent or Firm:
Ihei Ihei