Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POLE ANTENNA
Document Type and Number:
Japanese Patent JP2007158612
Kind Code:
A
Abstract:

To provide a pole antenna capable of ensuring stable transmission/reception performance when a car is running at a very high speed.

The pole antenna 10 consists of an oblong base 13; a first antenna element 11 provided on the base 13; and a second antenna element 12 provided on the tip of the first antenna element 11, so as to be perpendicular to the longitudinal direction of the base 13, and in parallel to the installation surface of the base 13. The first antenna element 11 and the second antenna element 12 are configured so that an angle for the element 11 to be formed for the base 13, and an angle for the element 12 to be formed for the first antenna element 11 can be varied. This pole antenna is used as a pole antenna 10R provided on the right and left upper parts of a rear window shield and having directivity in the rear, and a loop antenna 10F having directivity in the front is provided on the right and left upper parts of a front window shield. This configuration can form a receiver capable of selecting and outputting good-sensitivity radio waves.


Inventors:
OGINO KAZUSHIGE
UMEZAWA YOSHIO
TAKAYAMA KAZUO
NAGAO KOJI
MOROHASHI TOSHIMASA
TANAKA YUTARO
Application Number:
JP2005349664A
Publication Date:
June 21, 2007
Filing Date:
December 02, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJITSU TEN LTD
HARADA IND CO LTD
International Classes:
H01Q1/22; H01Q1/12; H01Q1/32; H01Q9/30
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shimichi Akihisa
Kurachi Yasuyuki
Masaya Nishiyama