Title:
ANTENNA SYSTEM AND DIGITAL TELEVISION BROADCAST RECEIVER
Document Type and Number:
Japanese Patent JP2000156608
Kind Code:
A
Abstract:
To provide an antenna system that can enhance the sufficient performance for vertical polarized plane wave, is mounted on a plane in the vicinity of a body of an automobile or the like or integrated with the vehicle body and made small in size so as to be mounted even at a narrow place.
This antenna system is provided with a plane antenna having one antenna element 154 with at least one bent or curved part and one terminal of which connects to a conductor earth plate 151 and with a cylindrical antenna placed in the vicinity of the lane antenna. A connecting point between the conductor earth plate 151 and the one terminal of the plane antenna is located remote from the cylindrical antenna 152.
Inventors:
KANE JOJI
YOSHIDA TAKASHI
NOMURA NOBORU
IKEDA TOYOICHI
SUGIYAMA TOSHIRO
MASHIMA HIDETO
YOSHIDA TAKASHI
NOMURA NOBORU
IKEDA TOYOICHI
SUGIYAMA TOSHIRO
MASHIMA HIDETO
Application Number:
JP37515998A
Publication Date:
June 06, 2000
Filing Date:
December 10, 1998
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01Q1/22; H01Q1/32; H01Q5/00; H01Q5/10; H01Q5/371; H01Q5/385; H01Q5/40; H04B1/26; H04N5/44; (IPC1-7): H01Q5/00; H01Q1/22; H01Q1/32; H04B1/26; H04N5/44
Attorney, Agent or Firm:
Masamichi Matsuda