Title:
ANTENNA SYSTEM
Document Type and Number:
Japanese Patent JP2005252407
Kind Code:
A
Abstract:
To provide an antenna system capable of making a user unaware that the system is an antenna, by reducing the influence of multipath fading and increasing decorative performance.
The antenna system is provided with one feeding element 10 as a conductor straightly from almost the center of a base, a plurality of parasitic elements 11-16 as conductors, extending from almost the center of the base or its vicinity so as to gradually be away from the feeding elements, variable reactance elements 21-26 mounted on each parasitic element, and an antenna controller 33 for making reception sensitivity in the feeding elements to the maximum by varying each reactance value of each variable reactance element.
Inventors:
TAROUMARU MAKOTO
OHIRA TAKASHI
IIGUSA KIYOUICHI
TAWARA SATORU
TANAKA HIROTAKA
SAWATANI TAKUMA
ITO TAKASHI
MORITA EMI
OHIRA TAKASHI
IIGUSA KIYOUICHI
TAWARA SATORU
TANAKA HIROTAKA
SAWATANI TAKUMA
ITO TAKASHI
MORITA EMI
Application Number:
JP2004056893A
Publication Date:
September 15, 2005
Filing Date:
March 01, 2004
Export Citation:
Assignee:
ATR ADVANCED TELECOMM RES INST
International Classes:
H01Q19/32; A63B53/04; H01Q1/12; H01Q1/22; H01Q1/44; H01Q3/12; H01Q3/44; H01Q9/32; (IPC1-7): H01Q3/44; H01Q1/12; H01Q3/12; H01Q9/32; H01Q19/32
Attorney, Agent or Firm:
Shiro Nakajima