JPH0358002U - - Google Patents
Info
- Publication number
- JPH0358002U JPH0358002U JP11771789U JP11771789U JPH0358002U JP H0358002 U JPH0358002 U JP H0358002U JP 11771789 U JP11771789 U JP 11771789U JP 11771789 U JP11771789 U JP 11771789U JP H0358002 U JPH0358002 U JP H0358002U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- helical
- frequency adjustment
- filter according
- adjustment screw
- 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
- 239000000919 ceramic Substances 0.000 claims 3
- 229910000859 α-Fe Inorganic materials 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例を示す正面断面図、
第２図は第１図の接続を示す結線図、第３図Ａは
従来のヘリカルフイルタの一例を示す断面図、第
３図Ｂは従来の他の一例を示す断面図。
１，１ａ……ボビン、２……フランジ、３，３
ａ……コイル、４……ネジ、５，５ａ……強誘電
体キヤツプ、６……シールドケース、６ａ……メ
ネジ、７……端子。
FIG. 1 is a front sectional view showing an embodiment of the present invention;
2 is a wiring diagram showing the connections shown in FIG. 1, FIG. 3A is a sectional view showing an example of a conventional helical filter, and FIG. 3B is a sectional view showing another example of the conventional helical filter. 1, 1a... Bobbin, 2... Flange, 3, 3
a... Coil, 4... Screw, 5, 5a... Ferroelectric cap, 6... Shield case, 6a... Female screw, 7... Terminal.
Claims (1)
を設けたシールドケースに、上部にフランジを備
えたボビンにヘリカルコイルを巻き、その一端を
端子に配線し、他の一端を開放し、結合コイルを
前記ボビンに巻いて端子に配線してなるボビンと
、天井に前記ボビンに設けたフランジより小さい
小孔を設け、前記ヘリカルコイルの略全体が被る
誘電体セラミツクキヤツプと、前記シールドケー
スに挿入し、前記ボビン内に設け、前記シールド
ケース天井に設けたメネジに螺合する周波数調整
用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 周波数調整用ネジが金属である請求項１記載
のヘリカルフイルタ。 ３ 周波数調整用ネジが誘電体セラミツクである
、請求項１記載のヘリカルフイルタ。 ４ 周波数調整用ネジがフエライトコアである請
求項１記載のヘリカルフイルタ。 ５ セラミツクキヤツプがフエライトコアである
請求項１記載のヘリカルフイルタ。[Scope of Claim for Utility Model Registration] 1. A helical coil is wound around a bobbin with a flange at the top in a shield case in which multiple pieces are connected together and each has a female thread on the ceiling, one end of which is wired to a terminal, and the other end is wired to a terminal. a bobbin that is open and has a coupling coil wound around the bobbin and wired to a terminal; a dielectric ceramic cap that has a small hole in the ceiling that is smaller than the flange provided on the bobbin and covers almost the entire helical coil; 1. A helical filter comprising a frequency adjustment screw inserted into a shield case, provided in the bobbin, and screwed into a female screw provided on the ceiling of the shield case. 2. The helical filter according to claim 1, wherein the frequency adjustment screw is made of metal. 3. The helical filter according to claim 1, wherein the frequency adjustment screw is made of dielectric ceramic. 4. The helical filter according to claim 1, wherein the frequency adjustment screw is a ferrite core. 5. The helical filter according to claim 1, wherein the ceramic cap is a ferrite core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771789U JPH0358002U (en) | 1989-10-06 | 1989-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771789U JPH0358002U (en) | 1989-10-06 | 1989-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0358002U true JPH0358002U (en) | 1991-06-05 |
Family
ID=31665923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11771789U Pending JPH0358002U (en) | 1989-10-06 | 1989-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0358002U (en) |
-
1989
- 1989-10-06 JP JP11771789U patent/JPH0358002U/ja active Pending
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