JPS591134U - Pick-up actuator - Google Patents
Pick-up actuatorInfo
- Publication number
- JPS591134U JPS591134U JP9644082U JP9644082U JPS591134U JP S591134 U JPS591134 U JP S591134U JP 9644082 U JP9644082 U JP 9644082U JP 9644082 U JP9644082 U JP 9644082U JP S591134 U JPS591134 U JP S591134U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- attached
- magnet
- pickup actuator
- yokes
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示し、第１図は本考−案に係
るピックアップアクチュエータの平面図、・第２図は第
１図の縦断正面図（なお光学系筒部分け断面にしていな
い）、第３図は要部の斜視図である。
′１・・・光学系筒、７・・・駆動
磁気回路、８・・・矩形断面の第１コイル、９・・・第
２コイル、１０・・・Ｅ字状ヨーク、−１１・・・マグ
ネット。The drawings show one embodiment of the present invention, and Fig. 1 is a plan view of a pickup actuator according to the present invention, and Fig. 2 is a longitudinal sectional front view of Fig. 1 (the optical system cylinder part is not shown in section). ), FIG. 3 is a perspective view of the main parts.
'1... Optical system tube, 7... Drive magnetic circuit, 8... First coil with rectangular cross section, 9... Second coil, 10... E-shaped yoke, -11... magnet.
Claims (2)
ュエータであって、光学系筒が、側面および側面に固定
した支持具に取付けられた複数個のコイルと、前記複数
のコイルと対向するマグネットおよび磁性部材によって
、３軸方向に非接触に磁気浮上可能であることを特徴と
するピックアップアクチュエータ。(1) A pickup actuator for an optical recording/reproducing device, in which an optical system tube includes a plurality of coils attached to a side surface and a support fixed to the side surface, a magnet facing the plurality of coils, and a magnetic A pickup actuator characterized in that it can be magnetically levitated in three axial directions in a non-contact manner by means of a member.
面の第１のコイルと、前記第１のコイルの両側面に対向
しコイル側面に対する側が同じ極性を有する一対のマグ
ネットと、前記マグネットとともに磁気回路を形成し一
部が前記第１のコイルの中に挿入されている磁性材料か
らなるヨークと、前記第１のコイルと直交する向きに前
記第１のコイルの上下に取付けられた一対の第２のコイ
ルとを有し、前記第２のコイルは左右逆向きに巻かれた
２つの部分からなり、各々が前記マグネットに対向する
ように取付けられたことを特徴とする実用新案登録請求
の範囲第１項記載のピックアップアクチュエータ。(2) a first coil with a rectangular cross section that is attached in multiple directions on the side surface of the optical system cylinder; a pair of magnets that face both side surfaces of the first coil and have the same polarity on the side facing the coil side surface; and the magnet a yoke made of a magnetic material that forms a magnetic circuit with the yokes and is partially inserted into the first coil; and a pair of yokes that are attached above and below the first coil in a direction orthogonal to the first coil. and a second coil, wherein the second coil consists of two parts wound in left and right opposite directions, each of which is attached so as to face the magnet. The pickup actuator according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9644082U JPS591134U (en) | 1982-06-25 | 1982-06-25 | Pick-up actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9644082U JPS591134U (en) | 1982-06-25 | 1982-06-25 | Pick-up actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS591134U true JPS591134U (en) | 1984-01-06 |
Family
ID=30229831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9644082U Pending JPS591134U (en) | 1982-06-25 | 1982-06-25 | Pick-up actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591134U (en) |
-
1982
- 1982-06-25 JP JP9644082U patent/JPS591134U/en active Pending
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