JPS6012824U - Optical pickup actuator - Google Patents
Optical pickup actuatorInfo
- Publication number
- JPS6012824U JPS6012824U JP10134983U JP10134983U JPS6012824U JP S6012824 U JPS6012824 U JP S6012824U JP 10134983 U JP10134983 U JP 10134983U JP 10134983 U JP10134983 U JP 10134983U JP S6012824 U JPS6012824 U JP S6012824U
- Authority
- JP
- Japan
- Prior art keywords
- optical base
- optical pickup
- magnet
- coil
- magnetic 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.)
- Granted
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
第１図は従来の光ピツクアップの斜視図、第２図はその
要部分解斜視図、第３図はこの考案が適用される光ピツ
クアップの一例を示す斜視図、第４図はその要部分解斜
視図、第５図は本考案の他の実施例を示す斜視図、第６
図はその要部分解斜視図である。
３０．４０・・・・・・磁気回路、３１．４１・・・・
・・磁気ヨーク、３３．４２・・・・・・第１の部材、
３４・・・・・・第２の部材、３２・・・・・・永久磁
石、２８・・・・・・フォーカス制御用コイル、２９・
・・・・・ラジアル制御用コイル。Fig. 1 is a perspective view of a conventional optical pickup, Fig. 2 is an exploded perspective view of its essential parts, Fig. 3 is a perspective view showing an example of an optical pickup to which this invention is applied, and Fig. 4 is an exploded perspective view of its essential parts. A perspective view, FIG. 5 is a perspective view showing another embodiment of the present invention, FIG.
The figure is an exploded perspective view of the main part. 30.40...Magnetic circuit, 31.41...
...magnetic yoke, 33.42...first member,
34... Second member, 32... Permanent magnet, 28... Focus control coil, 29...
...Radial control coil.
Claims (1)
行板バネとを介して片持ち支持された対物レンズホルダ
にフォーカスコイルとラジアルコイルとを互に直交状態
に装着し、この両コイルを前記光学ベース上に設置され
た磁気ヨークと磁石とからなる一対の磁気回路に組込ん
で成る光ピツクアップのアクチュエータにおいて、前記
磁気ヨークを前記光学ベース上に設置される第１の部材
と、該第１の部材に閉回路を形成するように一体に組合
される一面が開口した枠状をなす第２の部材とによって
構成し、該第２の部材の前記第１の部材の１側面と対向
する内面に前記磁石を取付けると共に、該磁石と前記−
側面との間に前記両コイル、を介在させるようにしたこ
とを特徴とする光ピツクアップのアクチュエータ。A focusing coil and a radial coil are mounted orthogonally to an objective lens holder supported on an optical base via a radial parallel plate spring and a focusing parallel plate spring, and these coils are attached to the optical base. In an actuator for an optical pickup, the magnetic yoke is incorporated into a pair of magnetic circuits consisting of a magnetic yoke and a magnet installed on the optical base, the magnetic yoke being installed on the optical base, and the first member installed on the optical base. and a frame-shaped second member with one side open, which are combined together to form a closed circuit, and the inner surface of the second member facing one side of the first member has the Attach the magnet and connect the magnet to the -
An actuator for an optical pickup, characterized in that both the coils are interposed between the coil and the side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10134983U JPS6012824U (en) | 1983-06-30 | 1983-06-30 | Optical pickup actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10134983U JPS6012824U (en) | 1983-06-30 | 1983-06-30 | Optical pickup actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6012824U true JPS6012824U (en) | 1985-01-28 |
| JPS6327297Y2 JPS6327297Y2 (en) | 1988-07-25 |
Family
ID=30239365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10134983U Granted JPS6012824U (en) | 1983-06-30 | 1983-06-30 | Optical pickup actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6012824U (en) |
-
1983
- 1983-06-30 JP JP10134983U patent/JPS6012824U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6327297Y2 (en) | 1988-07-25 |
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