JPS60101808U

JPS60101808U - antenna device

Info

Publication number: JPS60101808U
Application number: JP19332383U
Authority: JP
Inventors: 前田　健造
Original assignee: 三菱電機株式会社
Priority date: 1983-12-13
Filing date: 1983-12-13
Publication date: 1985-07-11

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図、第２図は従来の、この種アンテナ装置の構成例
を示したもので、第１図は副反射鏡支持脚を有した例、
第２図は副反射鏡支持筒を有した例で゛ある。第３図、
第４図はこの考案の実施例を示したもので第３図は円錐
形の副反射鏡支持ドームを又、第４図は球形の同ドーム
による実施例を示したもめである。　−゛１・・・副反射鏡、２・・・副反射鏡支持脚又は筒又は
ドーム、３・・・主反射鏡、４・・・フィード、５・・
・フィ　　−−ドーム、６・・・フィード支持枠。なお
、図中、同一符号は同−又は相当部分を示す。 −第４図FIGS. 1 and 2 show examples of the configuration of a conventional antenna device of this type. FIG. 1 shows an example with sub-reflector support legs;
FIG. 2 shows an example with a sub-reflector support tube. Figure 3,
FIG. 4 shows an embodiment of this invention; FIG. 3 shows an embodiment using a conical sub-reflector support dome, and FIG. 4 shows an embodiment using a spherical dome. -゛1...Sub-reflector, 2...Sub-reflector support leg or tube or dome, 3...Main reflector, 4...Feed, 5...
・Feed -- Dome, 6... Feed support frame. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. -Figure 4

Claims

[Claims for Utility Model Registration] The Cassegrain type is a Gregorian type antenna device in which a sub-reflector is directly supported on one inner surface of a thin film dielectric dome attached to the feed horn opening or its frame and pressurized. An antenna device comprising: (2) The antenna device according to claim 1, wherein the sub-reflecting mirror surface is formed by directly depositing a metal film on the inner surface of the dome.
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