JPS6026620U - Optical pick-up device - Google Patents
Optical pick-up deviceInfo
- Publication number
- JPS6026620U JPS6026620U JP11846583U JP11846583U JPS6026620U JP S6026620 U JPS6026620 U JP S6026620U JP 11846583 U JP11846583 U JP 11846583U JP 11846583 U JP11846583 U JP 11846583U JP S6026620 U JPS6026620 U JP S6026620U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- laser light
- cylindrical body
- recording medium
- corner portion
- 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)
- Mounting And Adjusting Of Optical Elements (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図は光ヘッドの光学系を示す概略図、第２図は第１
図の光センサの拡大正面図、第３図は第１図の集束レン
ズの従来取付構造例を示す斜視図、第４図及び第５図は
本考案の二実施例を示す一光学素子支持部の斜視図及び
Ａ−Ａ線に沿う断面図、第６図及び第７図は第４図の一
光学素子支持部の組付は動作例を説明するための斜視図
及びＢ−Ｂ線に沿う断面図、第８図乃至第１１図は本考
案の他の各実施例を示す部分斜視図と部分断面図である
。
１・・・レーザ光源、２・・・光学系、３・・・光記録
媒体、４・・・光センサ、５・・・ハウジング、８・・
・集束レンズ、１１・・・対物レンズ、２０・・・筒状
体、２１゜２１’、２１“・・・コーナ部。Figure 1 is a schematic diagram showing the optical system of the optical head, and Figure 2 is a schematic diagram showing the optical system of the optical head.
3 is a perspective view showing an example of a conventional mounting structure for the focusing lens shown in FIG. 1, and FIGS. 4 and 5 are an optical element support part showing two embodiments of the present invention. 6 and 7 are a perspective view and a sectional view taken along the line A-A, and FIGS. 8 to 11 are a partial perspective view and a partial sectional view showing other embodiments of the present invention. DESCRIPTION OF SYMBOLS 1... Laser light source, 2... Optical system, 3... Optical recording medium, 4... Optical sensor, 5... Housing, 8...
- Focusing lens, 11... Objective lens, 20... Cylindrical body, 21° 21', 21''... Corner part.
Claims (1)
物レンズを可動に支持し、光記録媒体からの戻りレーザ
光を光センサ上に集束する集束レンズ等の光学素子を含
む光学系をハウジング内に収納したものにおいて、前記
光学素子の少くとも一つは筒状体に同軸固定されかつ、
光学系の光軸に沿ってハウジング内に形成したコーナ部
に筒状体の軸を一致させて当接し位置決め固定したこと
を特徴とする光学式ピックアップ装置。An optical system that movably supports an objective lens that focuses laser light from a laser light source onto an optical recording medium and includes optical elements such as a focusing lens that focuses return laser light from the optical recording medium onto an optical sensor is housed within the housing. at least one of the optical elements is coaxially fixed to the cylindrical body, and
1. An optical pickup device characterized in that the cylindrical body is positioned and fixed by abutting against a corner portion formed in a housing along the optical axis of an optical system with the axis of the cylindrical body coinciding with the corner portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11846583U JPS6026620U (en) | 1983-07-28 | 1983-07-28 | Optical pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11846583U JPS6026620U (en) | 1983-07-28 | 1983-07-28 | Optical pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6026620U true JPS6026620U (en) | 1985-02-22 |
Family
ID=30272276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11846583U Pending JPS6026620U (en) | 1983-07-28 | 1983-07-28 | Optical pick-up device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6026620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61193415U (en) * | 1985-05-24 | 1986-12-02 | ||
| JPH01267842A (en) * | 1988-04-19 | 1989-10-25 | Hitachi Ltd | Optical head component assembly structure and plate spring structure for assembling the component |
-
1983
- 1983-07-28 JP JP11846583U patent/JPS6026620U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61193415U (en) * | 1985-05-24 | 1986-12-02 | ||
| JPH01267842A (en) * | 1988-04-19 | 1989-10-25 | Hitachi Ltd | Optical head component assembly structure and plate spring structure for assembling the component |
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