Title:
PLANAR ANTENNA, ARRAY ANTENNA, AND ANTENNA SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/068252
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a planar antenna capable of producing polarization diversity despite having a small size. A planar antenna according to the present invention is able to switch between transmitting/receiving radio waves using a first feeding point upon grounding a first side of a quadrilateral radiation plate and transmitting/receiving radio waves using a second feeding point upon grounding a second side orthogonal to the first side (see FIG. 1).
Inventors:
MATSUMOTO HISANORI (JP)
TANIKAWARA MAKOTO (JP)
KOHIYAMA TOMOHISA (JP)
TANIKAWARA MAKOTO (JP)
KOHIYAMA TOMOHISA (JP)
Application Number:
PCT/JP2013/080200
Publication Date:
May 14, 2015
Filing Date:
November 08, 2013
Export Citation:
Assignee:
HITACHI IND EQUIPMENT SYS (JP)
International Classes:
H01Q13/08; H01Q1/48; H01Q1/50
Foreign References:
| JPS6477304A | 1989-03-23 | |||
| JPS63318827A | 1988-12-27 | |||
| JP2004274223A | 2004-09-30 | |||
| JP2006093990A | 2006-04-06 | |||
| JPH07176942A | 1995-07-14 |
Attorney, Agent or Firm:
HIRAKI Yusuke et al. (JP)
Yusuke Hiraki (JP)
Yusuke Hiraki (JP)
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