JPS5925627U - Optical system drive device in optical information reading device - Google Patents
Optical system drive device in optical information reading deviceInfo
- Publication number
- JPS5925627U JPS5925627U JP11798482U JP11798482U JPS5925627U JP S5925627 U JPS5925627 U JP S5925627U JP 11798482 U JP11798482 U JP 11798482U JP 11798482 U JP11798482 U JP 11798482U JP S5925627 U JPS5925627 U JP S5925627U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- information reading
- optical
- magnetic member
- drive device
- 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
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図は従来例を示す平面図、第２図は本考案 ・の
一実施例を示す斜視図、第３図はその平面図である。
主要部分の符号の説明、１・・・・・・光学系、７，８
・・・・・・マグネット、９ａ、 ９ｂ・・・・・・
板状磁性部材、１０ａ、 １０ｂ、 １１ａ、
１１ｂ−−−−−−可動コイル、１２ａ、１２ｂ・・・
・・・磁気回路部。FIG. 1 is a plan view showing a conventional example, FIG. 2 is a perspective view showing an embodiment of the present invention, and FIG. 3 is a plan view thereof. Explanation of symbols of main parts, 1...Optical system, 7, 8
...Magnet, 9a, 9b...
Plate magnetic member, 10a, 10b, 11a,
11b----Movable coil, 12a, 12b...
...Magnetic circuit section.
Claims (2)
照射せしめるための光学系をこの光学系の光軸に対して
垂直な方向に駆動する光学系駆動装置であって、前記回
転記録円盤の半径方向に沿って伸長するように前記光学
系に取り付けられた板状磁性部材と、前記磁性部材の両
端部に各々巻装された第１及び第２のコイルと、前記第
１及び第２のコイルと鎖交する磁束を発生する磁気回路
部とを含む駆動手段を備え、前記第１及び第２のコイル
に所定エラー信号に応じた電流を供給することにより前
記光学系を駆動することを特徴とする光学系駆動装置。(1) An optical system driving device that drives an optical system for irradiating a recording surface of a rotating recording disk with a spot light for information reading in a direction perpendicular to the optical axis of the optical system, the rotating recording disk a plate-shaped magnetic member attached to the optical system so as to extend along the radial direction of the magnetic member; first and second coils respectively wound around both ends of the magnetic member; and a magnetic circuit section that generates a magnetic flux interlinking with the coil, the optical system being driven by supplying a current according to a predetermined error signal to the first and second coils. Characteristic optical system drive device.
向において前記光学系を挾んで２組設けられたことを特
徴とする実用新案登録請求の範囲第１項記載の光学系駆
動装置。(2) The optical system driving device according to claim 1, wherein the driving means is provided in two sets sandwiching the optical system in a direction perpendicular to the driving direction of the optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11798482U JPS5925627U (en) | 1982-08-03 | 1982-08-03 | Optical system drive device in optical information reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11798482U JPS5925627U (en) | 1982-08-03 | 1982-08-03 | Optical system drive device in optical information reading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5925627U true JPS5925627U (en) | 1984-02-17 |
| JPS6319946Y2 JPS6319946Y2 (en) | 1988-06-03 |
Family
ID=30271372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11798482U Granted JPS5925627U (en) | 1982-08-03 | 1982-08-03 | Optical system drive device in optical information reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5925627U (en) |
-
1982
- 1982-08-03 JP JP11798482U patent/JPS5925627U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6319946Y2 (en) | 1988-06-03 |
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