JPH0265317U - - Google Patents
Info
- Publication number
- JPH0265317U JPH0265317U JP14343588U JP14343588U JPH0265317U JP H0265317 U JPH0265317 U JP H0265317U JP 14343588 U JP14343588 U JP 14343588U JP 14343588 U JP14343588 U JP 14343588U JP H0265317 U JPH0265317 U JP H0265317U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- inductance
- trimming
- adjusted
- utility
- 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
- 238000009966 trimming Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図はこの考案の一実施例の構成を示す斜視
図。第２図はこの考案の一実施例の回路図。第３
図ａ〜ｄはプリントコイルのトリミングの例を示
す模式平面図。第４図ａおよびｂはこの考案の一
実施例の第１および第２変形例の構成を示す斜視
図。第５図ａおよびｂは従来を示す斜視図。
１……プリント基板、２，２Ａおよび２Ｂはプ
リントコイル、３……空心コイル、３Ａ……シー
ルドケース内に収納された（第１の）コイル、３
Ｂ……シールドケース無しの（第１の）コイル、
４……コンデンサ、５−１，５−２および６……
導体パターン。
FIG. 1 is a perspective view showing the structure of an embodiment of this invention. FIG. 2 is a circuit diagram of an embodiment of this invention. Third
Figures a to d are schematic plan views showing examples of trimming of printed coils. FIGS. 4a and 4b are perspective views showing the configurations of first and second modified examples of an embodiment of the invention. FIGS. 5a and 5b are perspective views showing the prior art. 1...Printed circuit board, 2, 2A and 2B are printed coils, 3...Air core coil, 3A...(first) coil housed in a shield case, 3
B... (first) coil without shield case,
4...Capacitor, 5-1 , 5-2 and 6...
conductor pattern.
Claims (1)
形成されかつトリミングすることによつてインダ
クタンスの調整がされる第２のコイルとを接続し
てなることを特徴とするコイル。 A coil characterized in that a first coil having a fixed inductance is connected to a second coil formed in a planar shape and whose inductance is adjusted by trimming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14343588U JPH0265317U (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14343588U JPH0265317U (en) | 1988-11-04 | 1988-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0265317U true JPH0265317U (en) | 1990-05-16 |
Family
ID=31410260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14343588U Pending JPH0265317U (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0265317U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619613A (en) * | 1979-07-25 | 1981-02-24 | Mitsubishi Electric Corp | Manufacture of inductance element |
-
1988
- 1988-11-04 JP JP14343588U patent/JPH0265317U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619613A (en) * | 1979-07-25 | 1981-02-24 | Mitsubishi Electric Corp | Manufacture of inductance element |