Title:
アンテナ装置
Document Type and Number:
Japanese Patent JP4340905
Kind Code:
B2
Abstract:
An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder and an antenna pattern composed of a plurality of conductors formed on a peripheral surface of said hollow cylindrical member. A phase shifter pattern is formed on the peripheral surface of the hollow cylindrical member so as to be electrically connected to the antenna pattern. The antenna unit further comprises a hollow cylindrical cover case covering the hollow cylindrical member and a characteristic adjusting member for adjusting an antenna frequency characteristic.
Inventors:
Junichi Noro
Takao Kato
Takao Kato
Application Number:
JP2005067073A
Publication Date:
October 07, 2009
Filing Date:
March 10, 2005
Export Citation:
Assignee:
MITSUMI ELECTRIC CO.,LTD.
International Classes:
H01Q11/08; H01Q1/38; H01Q9/14
Domestic Patent References:
| JP2001345626A | ||||
| JP2001518252A | ||||
| JP2001518251A | ||||
| JP2001501386A | ||||
| JP2000516071A | ||||
| JP2003188633A | ||||
| JP200157503A | ||||
| JP2002315159A | ||||
| JP3027110U | ||||
| JP1126710U | ||||
| JP2002208815A |
Attorney, Agent or Firm:
Kenho Ikeda
Shuichi Fukuda
Takashi Sasaki
Shuichi Fukuda
Takashi Sasaki