JPS5939533U - electric filter - Google Patents
electric filterInfo
- Publication number
- JPS5939533U JPS5939533U JP13512782U JP13512782U JPS5939533U JP S5939533 U JPS5939533 U JP S5939533U JP 13512782 U JP13512782 U JP 13512782U JP 13512782 U JP13512782 U JP 13512782U JP S5939533 U JPS5939533 U JP S5939533U
- Authority
- JP
- Japan
- Prior art keywords
- electric filter
- conductive film
- piezoelectric resonator
- insulating case
- grounded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
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
第１図は本案を適用した４５５ｋＨ２用梯子型電気濾波
器を示し、Ａは要部を切欠した平面図、ＢはＡ図イーイ
線に沿う正面断面図、第２図は梯子型濾波回路、第３図
は本案のイと従来の濾波特性口や比較して示す特性図で
ある。
１・・・絶縁ケース、２．３・・・圧電共振子、４・・
・端子板、９・・・導電膜、Ｐ・・・濾波回路構成要素
。Figure 1 shows a ladder-type electric filter for 455kHz2 to which the present invention is applied, A is a plan view with the main parts cut away, B is a front sectional view taken along line E in Figure A, and Figure 2 is a ladder-type filter circuit, Figure 3 is a characteristic diagram comparing the filtering characteristics of the present invention and the conventional filtering characteristics. 1... Insulating case, 2.3... Piezoelectric resonator, 4...
- Terminal board, 9... Conductive film, P... Filtering circuit component.
Claims (1)
する絶縁ケースの外表面に、電波シールド用導電膜を被
覆し、これを接地したことを特徴とする電気濾波器。An electric filter characterized in that an electrically conductive film for radio wave shielding is coated on the outer surface of an insulating case that houses filtering circuit components such as a piezoelectric resonator and a terminal plate, and this is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13512782U JPS5939533U (en) | 1982-09-06 | 1982-09-06 | electric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13512782U JPS5939533U (en) | 1982-09-06 | 1982-09-06 | electric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5939533U true JPS5939533U (en) | 1984-03-13 |
Family
ID=30304245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13512782U Pending JPS5939533U (en) | 1982-09-06 | 1982-09-06 | electric filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939533U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4810307B1 (en) * | 1967-11-02 | 1973-04-02 | ||
| JPS567349B1 (en) * | 1968-02-26 | 1981-02-17 |
-
1982
- 1982-09-06 JP JP13512782U patent/JPS5939533U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4810307B1 (en) * | 1967-11-02 | 1973-04-02 | ||
| JPS567349B1 (en) * | 1968-02-26 | 1981-02-17 |
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