Title:
【発明の名称】トリプレート型平面アンテナ
Document Type and Number:
Japanese Patent JP2846081
Kind Code:
B2
Abstract:
The antenna (10) includes an antenna unit comprising: a first dielectric body (2); a first grounding conductor body (1) provided on a lower side of the first dielectric body (2); a current supply line (5) in a form of a strip line provided on an upper side of the first dielectric body (2); a patch shaped radiative element (4) provided on the upper side of the first dielectric body (2) at an end of the current supply line; a second dielectric body (21) formed on the upper side of the first dielectric body (2) over the radiative element (4) and the current supply line (5); and a second grounding conductor body (11) provided on the upper side of the second dielectric body (21), which has a slot (3) at a position located directly above the radiative element (4); wherein the radiative elements (4) and the slots (3) of the plane antenna are arranged in a planar array with a constant interval (d) in two orthogonal directions, where the constant interval has a value equal to 0.72 to 0.93 or more preferably 0.85 to 0.93 times a wavelength corresponding to a central frequency of a frequency band for waves to be used.
Inventors:
OOTA MASAHIKO
ISHIZAKA HIRONOBU
MIZUGAKI HISAYOSHI
ISHIZAKA HIRONOBU
MIZUGAKI HISAYOSHI
Application Number:
JP19690390A
Publication Date:
January 13, 1999
Filing Date:
July 25, 1990
Export Citation:
Assignee:
HITACHI KASEI KOGYO KK
International Classes:
H01Q21/24; H01Q13/08; H01Q13/16; H01Q21/06; (IPC1-7): H01Q13/08; H01Q13/16; H01Q21/06; H01Q21/24
Domestic Patent References:
| JP6365703A | ||||
| JP1198806A | ||||
| JP2168709A | ||||
| JP6434002A | ||||
| JP63199503A | ||||
| JP621304A |
Other References:
【文献】LEEE TRANSACTIONS ON ,BROADCASTING VOL.34,NO4,P457~464
【文献】1989年電子情報通信学会秋季全国大会 B-27
【文献】1989年電子情報通信学会秋季全国大会 B-27
Attorney, Agent or Firm:
Kunihiko Wakabayashi