JPH0361701U - - Google Patents
Info
- Publication number
- JPH0361701U JPH0361701U JP12120689U JP12120689U JPH0361701U JP H0361701 U JPH0361701 U JP H0361701U JP 12120689 U JP12120689 U JP 12120689U JP 12120689 U JP12120689 U JP 12120689U JP H0361701 U JPH0361701 U JP H0361701U
- Authority
- JP
- Japan
- Prior art keywords
- helical
- dielectric cover
- dielectric
- adjustment screw
- helical filter
- 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
- 239000003989 dielectric material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案のヘリカルフイルタの一実施例
を示す正面断面図、第２図は従来のヘリカルフイ
ルタの一例を示す正面断面図。
１……シールドケース、２……ボビン、３……
コイル、４……ネジ、５……誘電体カバー、７…
…端子、８……シールドケース端子。
FIG. 1 is a front sectional view showing an embodiment of a helical filter of the present invention, and FIG. 2 is a front sectional view showing an example of a conventional helical filter. 1... Shield case, 2... Bobbin, 3...
Coil, 4...screw, 5...dielectric cover, 7...
...Terminal, 8...Shield case terminal.
Claims (1)
ルフイルタにおいて、 端子を備えた端子板を設けた筒状ボビンに、一
端を前記端子に接続し他端を開放するヘリカルコ
イルと、それぞれ天井孔を有し、それぞれに前記
ヘリカルコイルを挿入し、前記ヘリカルコイルを
覆う誘電体カバーと前記誘電体カバーの天井孔に
略同心の調整孔を設け、前記ヘリカルコイルを挿
入した前記誘電体カバーを挿入するシールドケー
スと、前記誘電体カバーに設けた天井孔に回転自
在に設け、ヘリカルフイルタの特性調整ネジによ
り構成されたことを特徴とするヘリカルフイルタ
。 ２ 誘電体カバーが、高誘電率のプラスチツクよ
りなる請求項１記載のヘリカルフイルタ。 ３ 誘電体カバーが強誘電体の粉末を混ぜたプラ
スチツクよりなる請求項１記載のヘリカルフイル
タ。 ４ 調整ネジが誘電体よりなり請求項１記載のヘ
リカルフイルタ。 ５ 調整ネジが金属よりなる請求項４記載のヘリ
カルフイルタ。 ６ ボビンの一端を誘電体カバーの天井孔に挿入
し、ボビンに調整ネジを螺合させた請求項１記載
のヘリカルフイルタ。 ７ シールドケース天井に、調整ネジが回転自在
で、回転により上下に移動可能なメネジを誘電体
カバーに設けた天井孔に合わせて設けた請求項１
記載のヘリカルフイルタ。[Claims for Utility Model Registration] 1. A helical filter in which a helical coil is covered with a dielectric cover, which comprises: a cylindrical bobbin provided with a terminal plate having a terminal; and a helical coil whose one end is connected to the terminal and the other end is open. , each having a ceiling hole, into which the helical coil is inserted, a dielectric cover that covers the helical coil, and a substantially concentric adjustment hole in the ceiling hole of the dielectric cover, and the dielectric into which the helical coil is inserted. 1. A helical filter comprising: a shield case into which a body cover is inserted; and a helical filter characteristic adjustment screw rotatably provided in a ceiling hole provided in the dielectric cover. 2. The helical filter according to claim 1, wherein the dielectric cover is made of high dielectric constant plastic. 3. The helical filter according to claim 1, wherein the dielectric cover is made of plastic mixed with ferroelectric powder. 4. The helical filter according to claim 1, wherein the adjustment screw is made of a dielectric material. 5. The helical filter according to claim 4, wherein the adjustment screw is made of metal. 6. The helical filter according to claim 1, wherein one end of the bobbin is inserted into a ceiling hole of the dielectric cover, and an adjustment screw is screwed onto the bobbin. 7. Claim 1, wherein the adjustment screw is rotatable and a female thread that can be moved up and down by rotation is provided on the ceiling of the shield case to match the ceiling hole provided in the dielectric cover.
Helical filter as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12120689U JPH0361701U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12120689U JPH0361701U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361701U true JPH0361701U (en) | 1991-06-17 |
Family
ID=31669243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12120689U Pending JPH0361701U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361701U (en) |
-
1989
- 1989-10-17 JP JP12120689U patent/JPH0361701U/ja active Pending
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