JPH0320502U

JPH0320502U -

Info

Publication number: JPH0320502U
Application number: JP7937189U
Authority: JP
Priority date: 1989-07-05
Filing date: 1989-07-05
Publication date: 1991-02-28

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例による多周波共用
分波装置の外観図、第２図は直列共振型のフイル
タ素子の外観図、第３図はこの考案の別の実施例
による多周波共用分波装置の外観図、第４図はこ
の考案の別の実施例による多周波共用分波装置の
外観図、第５図はこの考案によるさらに別の実施
例による多周波共用分波装置の外観図である。図中、１……主導波管、２……結合孔、３……分
岐導波管、４……キヤビテイ導波管、５……短絡
面、６……フイルタ素子、７……位置調整機構で
ある。なお、図中、同一符号は同一又は相当部分
を示す。 Fig. 1 is an external view of a multi-frequency sharing demultiplexer according to one embodiment of this invention, Fig. 2 is an external view of a series resonant type filter element, and Fig. 3 is an external view of a multi-frequency sharing demultiplexer according to another embodiment of this invention. Fig. 4 is an external view of a multi-frequency common demultiplexer according to another embodiment of this invention, and Fig. 5 is an external view of a multi-frequency common demultiplexer according to yet another embodiment of this invention. It is a diagram. In the figure, 1... Main waveguide, 2... Coupling hole, 3... Branch waveguide, 4... Cavity waveguide, 5... Short circuit surface, 6... Filter element, 7... Position adjustment mechanism. It is. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

補正平１．１０．６図面の簡単な説明を次のように補正する。明細書第９頁第１６行目に「外観図である。」
とあるのを「外観図、第６図は従来の分波装置の
外観図である。」と補正する。Amendment 1.10.6 Hei 1. The brief description of the drawing is amended as follows. On page 9, line 16 of the specification, "This is an external view."
The statement "External view, Figure 6 is an external view of a conventional demultiplexing device." has been corrected.

Claims

[Claims for Utility Model Registration] (1) A rectangular or circular main waveguide, a branch waveguide connected via a coupling hole provided on the wall of the main waveguide, and the branch waveguide. In a multi-frequency shared demultiplexing device consisting of a cavity waveguide provided facing a tube, a plurality of series resonant filter elements having different resonance frequencies are installed in the cavity waveguide in the axial direction of the cavity waveguide. A multi-frequency common demultiplexer characterized in that it is provided in a. (2) A rectangular or circular main waveguide, a branch waveguide connected via a coupling hole provided on the wall of the main waveguide, and a cavity provided opposite the branch waveguide. A multi-frequency shared demultiplexing device composed of a waveguide, wherein a plurality of series resonant filter elements having different resonance frequencies are provided in the cavity waveguide in the axial direction of the cavity waveguide;
A multi-frequency common demultiplexing device, characterized in that a mechanism for adjusting the position of the cavity waveguide in the axial direction is added to the series resonant filter element. (3) A rectangular or circular main waveguide, a branch waveguide connected via a coupling hole provided on the wall of the main waveguide, and a cavity provided opposite the branch waveguide. 1. A multi-frequency common demultiplexing device comprising a waveguide, characterized in that the cavity waveguide has a tapered internal shape. (4) A rectangular or circular main waveguide, a branch waveguide connected via a coupling hole provided on the wall of the main waveguide, and a cavity provided opposite the branch waveguide. What is claimed is: 1. A multi-frequency common demultiplexer comprising a waveguide, characterized in that the cavity waveguide is a step waveguide.