JPS58159645U - electromechanical converter - Google Patents
electromechanical converterInfo
- Publication number
- JPS58159645U JPS58159645U JP5733382U JP5733382U JPS58159645U JP S58159645 U JPS58159645 U JP S58159645U JP 5733382 U JP5733382 U JP 5733382U JP 5733382 U JP5733382 U JP 5733382U JP S58159645 U JPS58159645 U JP S58159645U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- magnetic circuit
- electromechanical transducer
- slit
- gap
- 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
- Optical Recording Or Reproduction (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〜第３図は電気機械変換器としての光学式ピック
アップの一例を示す平面図、磁気回路の平面図および第
１図の要部断面図、第４図ａ、 ｂはこの考案による
光学式ピックアップの一実施例を示す平面図および要部
断面図、第５図ａ、 ｂは第４図ａ、 ｂに示す磁
気回路の平面図および要部断面図、第６図ａ、 ｂは
磁気回路の他の実施例を示す平面図お１び要部断面図、
第７図ａ、 ｂ〜第第１固
および要部断面図である。
１・・・・・・対物レンズ、之・・・・・・ボビン、３
・・・・・・鏡筒、４・・・・・・ポール、５・・・・
・・マグネット、６・・・・・・ヨーク、７・・・・・
・駆動用コイル、８・・・・・・リブ、９・・・・・・
スリット。
２７４３υ） −多ｉ北ａびり1 to 3 are a plan view showing an example of an optical pickup as an electromechanical transducer, a plan view of a magnetic circuit, and a sectional view of the main part of FIG. 1, and FIGS. Fig. 5a and b are a plan view and a sectional view of the main part of the magnetic circuit shown in Figs. 4a and b, and Fig. 6a and b are the magnetic A plan view and a sectional view of main parts showing other embodiments of the circuit,
FIGS. 7a and 7b are cross-sectional views of the first and main parts. 1...Objective lens,...Bobbin, 3
... Lens tube, 4 ... Pole, 5 ...
...Magnet, 6...Yoke, 7...
・Drive coil, 8... Rib, 9...
slit. 2743υ) - multi i north a biri
Claims (2)
ボビンの該空隙部分に巻回された駆動用コイルと、この
ボビンに結合された被駆動体とを備えた電気機械変換器
において、前記磁気回路にスリットを設け、このスリッ
ト内を延在するリブを前記ボビンの外周に一体または別
体として固定することにより、ボビンを補強したことを
特徴とする電気機械変換器。(1) An electromechanical transducer including a magnetic circuit, a driving coil wound around the gap of a bobbin located in the gap of the magnetic circuit, and a driven body coupled to the bobbin, An electromechanical transducer characterized in that the bobbin is reinforced by providing a slit in the magnetic circuit and fixing a rib extending within the slit either integrally or separately to the outer periphery of the bobbin.
て被駆動体に連結されていることを特徴とする実用新案
登録請求の範囲第１項記載の電気機械変換器。(2) The electromechanical transducer according to claim 1, wherein the rib is connected to the driven body through a slit provided in the magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5733382U JPS58159645U (en) | 1982-04-20 | 1982-04-20 | electromechanical converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5733382U JPS58159645U (en) | 1982-04-20 | 1982-04-20 | electromechanical converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58159645U true JPS58159645U (en) | 1983-10-24 |
Family
ID=30067795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5733382U Pending JPS58159645U (en) | 1982-04-20 | 1982-04-20 | electromechanical converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58159645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0253230A (en) * | 1988-08-16 | 1990-02-22 | Olympus Optical Co Ltd | Optical driving device |
-
1982
- 1982-04-20 JP JP5733382U patent/JPS58159645U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0253230A (en) * | 1988-08-16 | 1990-02-22 | Olympus Optical Co Ltd | Optical driving device |
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