Title:
WAVEGUIDE ARRAY ANTENNA
Document Type and Number:
Japanese Patent JP3895285
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a compact waveguide array antenna, allowing an antenna radiation pattern to be controlled.
SOLUTION: The waveguide array antenna comprises one or more sets of antennas existing in the lengthwise direction of a waveguide, each composed of a pair of slots tilted in opposite directions at a given angle of two parallel sides to the length of the waveguide, a pair of slots at symmetric positions to a cross line perpendicular to the two sides separated by predetermined distances from the forming position of that pair of slots, and slots cut into the narrow sides adjacent to the broad side in perpendicular directions to the two parallel sides.
Inventors:
Koichi Tsunekawa
Yoshio Ebine
Naohisa Goto
Yoshio Ebine
Naohisa Goto
Application Number:
JP2003052795A
Publication Date:
March 22, 2007
Filing Date:
February 28, 2003
Export Citation:
Assignee:
NTT DoCoMo, Inc.
Naohisa Goto
Naohisa Goto
International Classes:
H01Q13/22; H01Q21/08; (IPC1-7): H01Q13/22; H01Q21/08
Domestic Patent References:
| JP58104005U | ||||
| JP9064637A | ||||
| JP11251830A | ||||
| JP10303638A | ||||
| JP2001196850A | ||||
| JP2000286631A | ||||
| JP6467006A | ||||
| JP1165207A | ||||
| JP162003A |
Foreign References:
| US6429825 | ||||
| FR2733357A1 | ||||
| WO1999056346A1 | ||||
| WO2001018912A1 |
Other References:
久我宣裕,導波管広壁面ハの字スロットペアによる円偏波アレーアンテナ,2002年電子情報通信学会総合大会 通信1-B-1-78,日本,電子情報通信学会,2002年 3月 7日
榊原久二男,反射抑圧スロットペアを用いた導波管スロットアレーアンテナの設計,1992年電子情報通信学会春季大会-分冊2-B-113,日本,電子情報通信学会,1992年 3月15日
榊原久二男,反射抑圧スロットペアを用いた導波管スロットアレーアンテナの設計,1992年電子情報通信学会春季大会-分冊2-B-113,日本,電子情報通信学会,1992年 3月15日
Attorney, Agent or Firm:
Taku Kusano
Minoru Inagaki
Yoshinobu Yokota
Minoru Inagaki
Yoshinobu Yokota