Title:
ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/140814
Kind Code:
A1
Abstract:
This antenna device is provided with two antenna elements (A1 and A2), two feed lines (L1 and L2), a feed point (P1) provided at one end of the antenna element (A1), and a feed point (P2) provided at the one end of the antenna element (A2). The feed lines (L1 and L2) extend in a first direction from the feed points (P1 and P2). The antenna element (A1) extends from the feed point (P1) in a second direction perpendicular to the first direction, and the antenna element (A2) extends from the feed point (P2) in a third direction which is oriented opposite to the second direction. The antenna device is provided with a sleeve element (S0) which has an end which is connected to a respective grounded conductor of each of the feed lines (L1 and L2) at positions near the feed points (P1 and P2), and extends in the first direction from the position near the feed points (P1 and P2).
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Inventors:
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
Application Number:
PCT/JP2012/000321
Publication Date:
October 18, 2012
Filing Date:
January 19, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
ASANUMA KENICHI
YAMAMOTO ATSUSHI
SAKATA TSUTOMU
International Classes:
H01Q21/28; H01Q9/38
Foreign References:
| JP2006165933A | 2006-06-22 | |||
| JP2001345625A | 2001-12-14 | |||
| JP2007013643A | 2007-01-18 | |||
| JP2007049213A | 2007-02-22 | |||
| JP2008153816A | 2008-07-03 | |||
| JP2005191792A | 2005-07-14 | |||
| JP2011035440A | 2011-02-17 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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Claims: