JPS58148734U - optical pick up - Google Patents
optical pick upInfo
- Publication number
- JPS58148734U JPS58148734U JP4632682U JP4632682U JPS58148734U JP S58148734 U JPS58148734 U JP S58148734U JP 4632682 U JP4632682 U JP 4632682U JP 4632682 U JP4632682 U JP 4632682U JP S58148734 U JPS58148734 U JP S58148734U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- optical pick
- information
- optical pickup
- recording medium
- 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
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図及び第２図は光学式ピックアップの概略側面図及
び動作説明図、第３図乃至第５図は従来の光学式ピック
アップの対物レンズ支持構造の二側を説明するための要
部断面概略図、第６図及び第７図は本考案の一実施例を
示す対物レンズ支持部分の斜視図及び平面図、第８図及
び第９図は第７図の動作を説明するための平面図及び側
面図、第１０図は第６図の板バネの各製造段階での斜視
図、第１１図及び第１２図は本考案の他の各実施例を示
す対物レンズ支持部分の斜視図である。
１・・・記録媒体（ディスク）、３・・・対物−ンズ、
４・・・トラック、５・・・光スポット、１９．１９’
。
２０．２０’・・・板バネ。
−」７？
ｖ−４−ｒ1 and 2 are schematic side views and operation explanatory diagrams of an optical pickup, and FIGS. 3 to 5 are cross-sectional schematic diagrams of main parts for explaining two sides of the objective lens support structure of a conventional optical pickup. 6 and 7 are a perspective view and a plan view of an objective lens support portion showing an embodiment of the present invention, and FIGS. 8 and 9 are a plan view and a plan view for explaining the operation of FIG. FIG. 10 is a side view, and FIG. 10 is a perspective view of the leaf spring shown in FIG. 6 at each manufacturing stage. FIGS. 11 and 12 are perspective views of an objective lens support portion showing other embodiments of the present invention. 1... Recording medium (disk), 3... Objective lens,
4...Track, 5...Light spot, 19.19'
. 20.20'...plate spring. -”7? v-4-r
Claims (1)
トを投射するものにおいて、前記対物レンズの可動支持
手段に、左右にｘ、 ｙ方向に可撓性を持たせた板ば
ねを使用し、前記情報トラン−り゛との相対的な位置ず
れによるトラッキング誤差とフォーカス誤差を補正する
ようにしたことを特徴とする光学式ピックアップ。In a device that projects a light spot onto an information track of a recording medium through an objective lens, a plate spring having flexibility in left and right x and y directions is used as a movable support means for the objective lens, and the information is An optical pickup characterized in that tracking errors and focusing errors caused by relative positional deviation with a trunk are corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632682U JPS58148734U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632682U JPS58148734U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58148734U true JPS58148734U (en) | 1983-10-06 |
Family
ID=30057327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4632682U Pending JPS58148734U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58148734U (en) |
-
1982
- 1982-03-30 JP JP4632682U patent/JPS58148734U/en active Pending
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