JPS6016331U - Optical information reproducing device pick-up device - Google Patents
Optical information reproducing device pick-up deviceInfo
- Publication number
- JPS6016331U JPS6016331U JP10837183U JP10837183U JPS6016331U JP S6016331 U JPS6016331 U JP S6016331U JP 10837183 U JP10837183 U JP 10837183U JP 10837183 U JP10837183 U JP 10837183U JP S6016331 U JPS6016331 U JP S6016331U
- Authority
- JP
- Japan
- Prior art keywords
- diffraction grating
- optical information
- semiconductor laser
- information reproducing
- elastic body
- 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
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は光学式情報再生装置のピックアップ装置の１例
を示す概略図、第２図は情報記録媒体円盤上のレーザ光
照射状況を拡大して示した図、第３図はこの考案の１実
施例を示す、二部を第４図■−■より切断して見た側断
面図、第４図は第３図ＩＶ−ＩＶより見たその横断面図
、第５図はそれを筐体から取外して示した斜視図である
。
図中、１は半導体レーザ、２は回折格子、１５は筐体、
１６は回折格子ホルダ、１７は弾性体、１８は調整ねじ
、１９はあて溝である。図中、同一符号は同−或は相当
部分を示す。Fig. 1 is a schematic diagram showing an example of a pickup device of an optical information reproducing device, Fig. 2 is an enlarged view showing the laser beam irradiation situation on an information recording medium disc, and Fig. 3 is a diagram showing an example of the pickup device of this invention. Fig. 4 is a cross-sectional view of the second part taken from Fig. 4 - IV, showing the embodiment; It is a perspective view removed and shown from. In the figure, 1 is a semiconductor laser, 2 is a diffraction grating, 15 is a housing,
16 is a diffraction grating holder, 17 is an elastic body, 18 is an adjustment screw, and 19 is a stopper groove. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (3)
ザの発射レーザ光を３つのビーム光に変える回折格子、
この回折格子を支持固定し、これを上記半導体レーザ発
光軸上に配置し、この軸を中心に回転可能なるよう上記
筐体中に配設された回折格子ホルダ、１端をこの回折格
子ホルダに他端を上記半導体レーザに固定された弾性体
、及び先端が上記回折格子ホルダに設けられたあて溝に
当接するよう上記筐体に螺着された上記回折格子回動位
置調整用ねじを備えた光学式情報再生装置のピックアッ
プ装置。(1) A semiconductor laser fixedly placed in the housing, a diffraction grating that converts the emitted laser light from this laser into three beams,
A diffraction grating holder is arranged in the housing to support and fix this diffraction grating, place it on the emission axis of the semiconductor laser, and rotate it around this axis, one end of which is attached to the diffraction grating holder. an elastic body whose other end is fixed to the semiconductor laser; and the diffraction grating rotation position adjustment screw which is screwed onto the housing so that the tip abuts a stopper groove provided in the diffraction grating holder. A pickup device for an optical information reproducing device.
端を上記半導体レーザに接着固定した円筒状弾性体であ
る実用新案登録請求の範囲第１項記載の光学式情報再生
装置のピックアップ装置。(2) The optical information reproducing device according to claim 1, wherein the elastic body is a cylindrical elastic body whose one end is adhesively fixed to the diffraction grating holder and the other end is adhesively fixed to the semiconductor laser. pickup device.
を上記半導体レーザに固定したコイルばねである実用新
案登録請求の範囲第１項記載の光学式情報再生装置のピ
ックアップ装置。(3) A pickup device for an optical information reproducing device according to claim 1, wherein the elastic body is a coil spring having one end fixed to the diffraction grating holder and the other end fixed to the semiconductor laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10837183U JPS6016331U (en) | 1983-07-13 | 1983-07-13 | Optical information reproducing device pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10837183U JPS6016331U (en) | 1983-07-13 | 1983-07-13 | Optical information reproducing device pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6016331U true JPS6016331U (en) | 1985-02-04 |
Family
ID=30252858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10837183U Pending JPS6016331U (en) | 1983-07-13 | 1983-07-13 | Optical information reproducing device pick-up device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6016331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250824U (en) * | 1988-10-03 | 1990-04-10 |
-
1983
- 1983-07-13 JP JP10837183U patent/JPS6016331U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250824U (en) * | 1988-10-03 | 1990-04-10 |
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