JPS61189618U

JPS61189618U -

Info

Publication number: JPS61189618U
Application number: JP7389685U
Authority: JP
Priority date: 1985-05-17
Filing date: 1985-05-17
Publication date: 1986-11-26

Description

[Brief explanation of the drawing]

第１図は梯子型濾過回路を形成するセラミツク
フイルタの一実施例を示し、Ａ図は縦断面図、Ｂ
図はＡ図のイ―イ線に沿う断面図、Ｃ図は一部を
切欠して示す底面図、第２図は第１図のセラミツ
クフイルタの等価回路図、第３図Ａは本考案のセ
ラミツクフイルタに使用する入出力端子板及び接
地端子板の正面図、同図Ｂは同じく側面図、また
第４図Ａは本考案のセラミツクフイルタの濾波特
性図、同図Ｂは従来のセラミツクフイルタの濾波
特性図である。１……小容量の直列側共振子、２……大容量の
並列側共振子、３……絶縁ケース、４ａ，４ａ′
……入出力端子板、４１ａ，４１ａ′……導電面
、４２ａ，４２ａ′……端子脚、４３ａ，４３ａ
′……狭小部、４４ａ，４４ａ′……切欠部、４
ｂ……接地電極、４１ｂ……導電面、４２ｂ……
端子脚、４３ｂ……狭小部、４４ｂ……ｂ切欠部
。 Figure 1 shows an embodiment of a ceramic filter forming a ladder-type filter circuit, where Figure A is a longitudinal cross-sectional view and Figure B is a vertical cross-sectional view.
The figure is a sectional view taken along line A--A of figure A, figure C is a partially cutaway bottom view, figure 2 is an equivalent circuit diagram of the ceramic filter of figure 1, and figure 3 A is a diagram of the ceramic filter of the present invention. 4A is a front view of the input/output terminal board and the ground terminal board used in the ceramic filter, and FIG. 4A is a side view of the same, FIG. It is a filtering characteristic diagram. 1...Series side resonator with small capacity, 2...Parallel side resonator with large capacity, 3...Insulation case, 4a, 4a'
...Input/output terminal board, 41a, 41a'...Conductive surface, 42a, 42a'...Terminal leg, 43a, 43a
'... Narrow part, 44a, 44a'... Notch part, 4
b...Ground electrode, 41b...Conductive surface, 42b...
Terminal leg, 43b...narrow part, 44b...b notch part.

補正昭６０．１０．９図面の簡単な説明を次のように補正する。明細書第８頁第４行目から同第１３行目までを
下記の通り訂正します。「第１図は梯子型濾過回路を形成するセラミツ
クフイルタの一実施例を示し、第１図Ａは縦断面
図、第１図Ｂは第１図Ａのイ―イ線に沿う断面図
、第１図Ｃは第１図Ａの一部を切欠して示す底面
図、第２図は第１図のセラミツクフイルタの等価
回路図、第３図Ａは本考案のセラミツクフイルタ
に使用する入出立端子板及び接地端子板の正面図
、第３図Ｂは同じく側面図、また第４図Ａは本考
案のセラミツクフイルタの濾波特性図、第４図Ｂ
は従来のセラミツクフイルタの濾波特性図である
。」Amendment October 9, 1980 The brief description of the drawing is amended as follows. The following corrections are made from page 8, line 4 to line 13 of the detailed statement. 1 shows an embodiment of a ceramic filter forming a ladder-type filter circuit, FIG. 1A is a longitudinal sectional view, FIG. Figure 1C is a partially cutaway bottom view of Figure 1A, Figure 2 is an equivalent circuit diagram of the ceramic filter of Figure 1, and Figure 3A is an input/output terminal used in the ceramic filter of the present invention. 3B is a side view of the plate and the ground terminal plate, and FIG. 4A is a filtering characteristic diagram of the ceramic filter of the present invention. FIG. 4B
is a filtering characteristic diagram of a conventional ceramic filter. ”

Claims

[Scope of utility model registration request]

A plurality of resonators 1 and 2 are connected to an input/output terminal board 4a,
4a' and the connection terminal plate 4b together with the insulating case 3
For those that are housed inside to form a filter circuit,
Elongated terminal legs 42a extend from the conductive surfaces 41a, 41a' and 41b of the terminal plates 4a, 4a' and 4b, respectively, and protrude from the sealing plate 7 and sealant 8 that cover the opening of the insulating case 3, 42a'
and the base of 42b, the conductive surfaces 41a, 41a
Notches 44a and 4 cut in the directions of ' and 41b.
4a', 44b make the elastic narrow parts 43a, 43a
' and 43b.