JPS5897731U - Drive unit of optical information reading device - Google Patents
Drive unit of optical information reading deviceInfo
- Publication number
- JPS5897731U JPS5897731U JP19474381U JP19474381U JPS5897731U JP S5897731 U JPS5897731 U JP S5897731U JP 19474381 U JP19474381 U JP 19474381U JP 19474381 U JP19474381 U JP 19474381U JP S5897731 U JPS5897731 U JP S5897731U
- Authority
- JP
- Japan
- Prior art keywords
- drive unit
- reading device
- optical information
- information reading
- coil
- 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図は従来例の駆動ユラッ゛トを示す分解斜視図、第
２図は本考案に係る駆動ユニットの分解斜視図で、第３
図は同図ユニットの組立途中を示す斜視図、第４図は組
立完了時の斜視図を示す。
１・・・保持部材、１０．１２・・・駆動コイル、１１
！・・対物レンズ、１４・・・磁気回路。Fig. 1 is an exploded perspective view of a conventional drive unit, Fig. 2 is an exploded perspective view of a drive unit according to the present invention, and Fig. 3 is an exploded perspective view of a drive unit according to the present invention.
The figure shows a perspective view of the unit in the middle of assembly, and FIG. 4 shows a perspective view of the unit when assembly is completed. 1... Holding member, 10.12... Drive coil, 11
! ...Objective lens, 14...Magnetic circuit.
Claims (1)
ォーカス方向、トラッキング方向、タンジエンシャル方
向の三軸もしくは二軸に駆動する光学式情報読取装置の
駆動ユそットにおいて、前記対物レンズを保持する保持
部材と、該保持部材を挾持し突出部を有する一姪のコイ
ルスチーと、該一対のコイルスチーの突出部に固定され
る角形の駆動コイルとを有する光学式情報読取装置の駆
動ユニット。[Claims for Utility Model Registration] The irradiation beam is controlled by the drive coil and magnetic circuit. In a drive unit of an optical information reading device that drives an objective lens that focuses on an information recording surface of an information disk in three or two axes of a focusing direction, a tracking direction, and a tangential direction, the objective lens is A drive unit for an optical information reading device, which includes a holding member for holding, a pair of coil steels that sandwich the holding member and have protrusions, and a rectangular drive coil fixed to the protrusions of the pair of coil steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19474381U JPS5897731U (en) | 1981-12-25 | 1981-12-25 | Drive unit of optical information reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19474381U JPS5897731U (en) | 1981-12-25 | 1981-12-25 | Drive unit of optical information reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5897731U true JPS5897731U (en) | 1983-07-02 |
Family
ID=30108048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19474381U Pending JPS5897731U (en) | 1981-12-25 | 1981-12-25 | Drive unit of optical information reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5897731U (en) |
-
1981
- 1981-12-25 JP JP19474381U patent/JPS5897731U/en active Pending
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