JPS59173132U - Optical pick-up device - Google Patents
Optical pick-up deviceInfo
- Publication number
- JPS59173132U JPS59173132U JP6531283U JP6531283U JPS59173132U JP S59173132 U JPS59173132 U JP S59173132U JP 6531283 U JP6531283 U JP 6531283U JP 6531283 U JP6531283 U JP 6531283U JP S59173132 U JPS59173132 U JP S59173132U
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- lens
- focuses
- onto
- housing
- 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 Head (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
′ 第１図は光学式ピックアップ装置の光学系構成素
子の配列関係を示す斜視図、第２図はシリンドリカルレ
ンズによるレーザ光の集束を示す斜視図、第３図及び第
４図は光検出器上での像を示す図面、第５図は集束レン
ズの支持手段の一例を示す斜視図、第６図は本考案の一
実施例を示す透視斜視図、第７図及び第８図は本考案に
よるレンズ支持手段の斜視図及び側断面図、第９図はレ
ンズ支持手段の調整治具、第１０図は本考案の他の実施
例を示゛す要部斜視図である。
１・・・・・・レーザ光源、６・・・・・・対物レンズ
、７・・・・・・集束レンズ、１０・・・・・・ハウジ
ング、１５・・・・・・レンズ支持筒、１５ｄ・・・・
・・ネジ部、１６・・・・・・支持部材。' Fig. 1 is a perspective view showing the arrangement of the optical system components of an optical pickup device, Fig. 2 is a perspective view showing the focusing of laser light by a cylindrical lens, and Figs. 3 and 4 are views on the photodetector. FIG. 5 is a perspective view showing an example of a support means for a focusing lens, FIG. 6 is a perspective view showing an embodiment of the present invention, and FIGS. FIG. 9 is a perspective view and side sectional view of the lens support means, FIG. 9 is an adjustment jig for the lens support means, and FIG. 10 is a perspective view of essential parts showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Laser light source, 6... Objective lens, 7... Focusing lens, 10... Housing, 15... Lens support cylinder, 15d...
...Threaded part, 16...Supporting member.
Claims (1)
集束させる対物レンズ並びに戻りレーザ光を集束して光
検出器上に照射するレンズを含む光学系構成素子を収納
したものにおいて、上記集束レンズは外周にネジ部を有
するレンズ支持筒を、ハウジングに固定されかつレーザ
光を貫通するネジ穴を有する支持部材に螺合して支持し
たことを特徴とする光学式ピックアップ装置。A housing houses optical system components including a laser light source, an objective lens that focuses the laser light onto the recording medium, and a lens that focuses the returned laser light and irradiates it onto the photodetector, wherein the focusing lens is An optical pickup device characterized in that a lens support tube having a threaded portion on the outer periphery is screwed and supported by a support member fixed to a housing and having a screw hole through which laser light passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6531283U JPS59173132U (en) | 1983-04-30 | 1983-04-30 | Optical pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6531283U JPS59173132U (en) | 1983-04-30 | 1983-04-30 | Optical pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59173132U true JPS59173132U (en) | 1984-11-19 |
Family
ID=30195507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6531283U Pending JPS59173132U (en) | 1983-04-30 | 1983-04-30 | Optical pick-up device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59173132U (en) |
-
1983
- 1983-04-30 JP JP6531283U patent/JPS59173132U/en active Pending
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