JPS6137605U

JPS6137605U - antenna

Info

Publication number: JPS6137605U
Application number: JP12173184U
Authority: JP
Inventors: 耕司山田
Original assignee: 日本無線株式会社
Priority date: 1984-08-08
Filing date: 1984-08-08
Publication date: 1986-03-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のアンテナ支持による受始電波の状態図、
第２図は本考案の一実施例のアンテナ支持装置、第３図
は本考案による受信電波の状態図である。１・・・アンテナ、２・・・マスト、３・・・船舶、４
・・・衛星からの受信電波、５・・・アンテナの受信パ
多一ン、６・・・反射波、、７・・・外来妨害波、８・
・・低仰角衛星からの電波、１１・・・アンテナ支持具
、ｌｌａ・・・アンテナ脚部、１２ｂ・・・アンテナ屈
折部、Ｓ・・・海面。Figure 1 is a diagram of the state of radio waves received and started using conventional antenna support.
FIG. 2 is an antenna support device according to an embodiment of the present invention, and FIG. 3 is a state diagram of received radio waves according to the present invention. 1... Antenna, 2... Mast, 3... Ship, 4
...Radio wave received from the satellite, 5.Reception pattern of antenna, 6.Reflected wave, 7.External interference wave, 8.
...Radio waves from a low elevation angle satellite, 11...Antenna support, lla...Antenna legs, 12b...Antenna bending part, S...Sea surface.

Claims

[Scope of utility model registration request]

An antenna comprising a leg fixed to a mast, a bent part on an inverted-shaped arm, an antenna fixed to the tip arm of the bent part, and supported so that the antenna is always positioned at the zenith regardless of the inclination of the mast.