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ANTENNA

Foreign code F120006966
File No. S2010-1006-C0
Posted date Oct 29, 2012
Country WIPO
International application number 2011JP069244
International publication number WO 2012/029639
Date of international filing Aug 26, 2011
Date of international publication Mar 8, 2012
Priority data
  • P2010-196260 (Sep 1, 2010) JP
Title ANTENNA
Abstract

The present invention has the objective of providing a shared antenna which can perform communication using radio waves of different frequencies and polarization characteristics, additionally is of a simple configuration and can even be installed in a small device. To this end, an antenna (1) of the present invention has a plurality of revolutions forming a cross shape in a spiral, gaps (5) provided in the middle of the spiral circumferential paths, and a feed unit (4) provided in the center portion, wherein the intervals between the gaps (5) generate an electromagnetic coupling at a first frequency but do not generate an electromagnetic coupling at a second frequency which is higher than the first frequency.

  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • NATIONAL UNIVERSITY CORPORATION EHIME UNIVERSITY,
  • MATSUNAGA MAYUMI,
  • KAKEMIZU KENJI
  • Inventor
  • MATSUNAGA MAYUMI,
  • KAKEMIZU KENJI
IPC(International Patent Classification)
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