JPS5914132U - Optical pickup drive device - Google Patents
Optical pickup drive deviceInfo
- Publication number
- JPS5914132U JPS5914132U JP10759482U JP10759482U JPS5914132U JP S5914132 U JPS5914132 U JP S5914132U JP 10759482 U JP10759482 U JP 10759482U JP 10759482 U JP10759482 U JP 10759482U JP S5914132 U JPS5914132 U JP S5914132U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- optical axis
- drive coil
- drive device
- yoke
- 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図は従来例を示す分解斜視図、第２図は本考案の一
実施例を示す平面図、第３図はその正面断面図、第４図
はその側面図、第５図は本考案の他の実施例を示す側面
図、第６図は本考案の更に他の実施例を示す側面図、第
７図は第６図の変形 ”例を示す側面図、第８図は本
考案の更に他の実施例を示す正面断面図、第９図は本考
案の更に他の実施例を示す平面図である。
主要部分の符号の説明、１・・・鏡筒１．３．１１・・
・ −磁気回路部、１２・・・可動部、１３．１４・・
・マグネット、１５，１６．１７・・・プレート、１８
・・・第１の駆動コイル、２０．２４・・・ヨーク、２
１．２５・・・第２の駆動コイル。Fig. 1 is an exploded perspective view showing a conventional example, Fig. 2 is a plan view showing an embodiment of the present invention, Fig. 3 is a front sectional view thereof, Fig. 4 is a side view thereof, and Fig. 5 is a plan view showing an embodiment of the present invention. FIG. 6 is a side view showing still another embodiment of the present invention, FIG. 7 is a side view showing a modification of FIG. 6, and FIG. 8 is a side view showing another embodiment of the present invention. Fig. 9 is a front sectional view showing still another embodiment, and Fig. 9 is a plan view showing still another embodiment of the present invention.
- Magnetic circuit section, 12... Movable section, 13.14...
・Magnet, 15, 16.17...Plate, 18
...First drive coil, 20.24...Yoke, 2
1.25...Second drive coil.
Claims (1)
方向の２方向に駆動する光学式ピックアンプの駆動装置
であって、該光軸方向に着磁されかつ同極性の一方の端
面が互いに対向するように設けられた一対のマグネット
及びこの一対のマグネットの対向磁極面間に設けられた
プレートを含んで前記光学式ピックアップと一体的に移
動可能な可動部と、前記プレートの周りに空隙を介して
巻回された第１の駆動コイルと、前記第１の駆動コイル
の外側に位置しかつ前記プレートの端面と対向するよう
に設けられたヨークと、前記ヨークにコイル巻軸が該空
隙中の磁束及び該光軸と略垂直になるように巻回された
第２の駆動コイルと、前記ヨークの該光軸方向の両端面
に近接するように前記可動部の少なくとも移動範囲に亘
って設けられたサブヨークとを備えたことを特徴とする
光学式ピックアップの駆動装置。A drive device for an optical pickup amplifier that drives an optical pickup in two directions perpendicular to the optical axis direction and the direction perpendicular to the optical axis, the end surfaces of which are magnetized in the optical axis direction and have the same polarity facing each other. a movable part that is movable integrally with the optical pickup, including a pair of magnets provided to a first drive coil wound around the first drive coil; a yoke disposed outside the first drive coil and facing the end surface of the plate; a second drive coil wound substantially perpendicular to the magnetic flux and the optical axis; and a second drive coil provided over at least a movement range of the movable part so as to be close to both end surfaces of the yoke in the optical axis direction. What is claimed is: 1. A drive device for an optical pickup, comprising: a sub-yoke;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10759482U JPS5914132U (en) | 1982-07-14 | 1982-07-14 | Optical pickup drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10759482U JPS5914132U (en) | 1982-07-14 | 1982-07-14 | Optical pickup drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5914132U true JPS5914132U (en) | 1984-01-28 |
Family
ID=30251346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10759482U Pending JPS5914132U (en) | 1982-07-14 | 1982-07-14 | Optical pickup drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5914132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120354A (en) * | 1984-11-14 | 1986-06-07 | Mitsubishi Electric Corp | Driver of optical device |
-
1982
- 1982-07-14 JP JP10759482U patent/JPS5914132U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120354A (en) * | 1984-11-14 | 1986-06-07 | Mitsubishi Electric Corp | Driver of optical device |
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