JPS5933127U - Optical pick-up device - Google Patents
Optical pick-up deviceInfo
- Publication number
- JPS5933127U JPS5933127U JP12571382U JP12571382U JPS5933127U JP S5933127 U JPS5933127 U JP S5933127U JP 12571382 U JP12571382 U JP 12571382U JP 12571382 U JP12571382 U JP 12571382U JP S5933127 U JPS5933127 U JP S5933127U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- movable body
- magnetic force
- electromagnet
- permanent magnet
- 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
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
図面は何れも本考案にかかる光学式ピックアップ装置を
示す図であり、第１図は平面図、第２図は側面図、第３
図は駆動状態を示す平面図である。
１はレンズ、３．４は永久磁石、５は移動体、７．８は
電磁石。
―−一岡−■■替頓−一一解−−−The drawings all show the optical pickup device according to the present invention, and FIG. 1 is a plan view, FIG. 2 is a side view, and FIG. 3 is a side view.
The figure is a plan view showing a driving state. 1 is a lens, 3.4 is a permanent magnet, 5 is a moving object, and 7.8 is an electromagnet. --Ichioka-■■Kateton-Ichikaikai---
Claims (1)
久磁石に対向して配備された一対の電磁石とを有し、 この一対の電磁石を構成するコイルに制御電流を流すこ
とにより、前記永久磁石と電磁石の対向した磁極間に生
じる磁気力を利用して前記移動体を駆動すると共に、前
記磁気力にて前記移動体が一方向に駆動したとき接近す
る前記電磁石と永久磁石の対向しない磁極間に生じる磁
気力を利用してダンピングをかける構成としたことを特
徴とする光学式ピックアップ装置。[Claims for Utility Model Registration] A movable body including a lens and a pair of permanent magnets, and a pair of electromagnets arranged opposite to the pair of permanent magnets, and controlled by a coil constituting the pair of electromagnets. By passing an electric current, the magnetic force generated between the opposing magnetic poles of the permanent magnet and the electromagnet is used to drive the movable body, and when the movable body is driven in one direction by the magnetic force, the movable body approaches the An optical pickup device characterized in that it is configured to apply damping using magnetic force generated between non-opposing magnetic poles of an electromagnet and a permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571382U JPS5933127U (en) | 1982-08-19 | 1982-08-19 | Optical pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571382U JPS5933127U (en) | 1982-08-19 | 1982-08-19 | Optical pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933127U true JPS5933127U (en) | 1984-03-01 |
Family
ID=30286110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12571382U Pending JPS5933127U (en) | 1982-08-19 | 1982-08-19 | Optical pick-up device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933127U (en) |
-
1982
- 1982-08-19 JP JP12571382U patent/JPS5933127U/en active Pending
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