JPS58148735U - optical pick up - Google Patents
optical pick upInfo
- Publication number
- JPS58148735U JPS58148735U JP4632782U JP4632782U JPS58148735U JP S58148735 U JPS58148735 U JP S58148735U JP 4632782 U JP4632782 U JP 4632782U JP 4632782 U JP4632782 U JP 4632782U JP S58148735 U JPS58148735 U JP S58148735U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- errors
- information track
- optical pick
- optical pickup
- 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図は従来の光学式ピックアップの対
物レンズ支持構造の一例を示す要部断面概略図第４図及
び第５図は本考案の一実施−例を示す対物レンズ支持部
材の斜視図及び平面図、第６図及び第７図は第４図の動
作を説明するための平面図及び側面図、第８図は第４図
の第１と第２のバネ部材の製造例を説明するための板バ
ネ斜視図、第９図及び第１０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・・・対物レンズ、
４・・・トランク、５・・・光スポット、１３．１４・
・・弾性支持体、１３ａ、１４ａ・・・第１のバネ部材
、１３ｂ、１４ｂ・・・第２のノ′くネ部材、１３Ｃ，
１３’ｃ、１３“ｃ、 １４Ｃ，１４’ ｃ、 １４’
ｃ・・・第３のバネ部材。1 and 2 are a schematic side view and an operation explanatory diagram of an optical pickup, and FIG. 3 is a schematic cross-sectional view of a main part showing an example of an objective lens support structure of a conventional optical pickup.FIGS. 4 and 5 6 and 7 are a plan view and a side view for explaining the operation of FIG. 4, and FIG. 8 is a perspective view and a plan view of an objective lens support member showing an embodiment of the present invention, respectively. FIG. 4 is a perspective view of a leaf spring for explaining an example of manufacturing the first and second spring members, and FIGS. 9 and 10 are perspective views of an objective lens support portion showing other embodiments of the present invention. be. 1... Recording medium (disc), 3... Objective lens,
4... Trunk, 5... Light spot, 13.14.
...Elastic support body, 13a, 14a...First spring member, 13b, 14b...Second neck member, 13C,
13'c, 13"c, 14C, 14' c, 14'
c...Third spring member.
Claims (1)
ットを投射するものにおいて、前記情報トラックと前記
対物レンズの相対的な位置ずれによるトラッキング誤差
とフォーカス誤差及びジッター誤差を補正するための前
記対物レンズの可動支持手段に、直交する３軸方向に選
択的に可撓性を持たせた第１−１第２、第３のバネ部材
を一連一体に連結した弾性支持体を用いたことを特徴と
する光学式ピックアップ。, in which a light spot is projected onto an information track of a recording medium through an objective lens, the objective lens for correcting tracking errors, focus errors, and jitter errors caused by relative positional deviation between the information track and the objective lens; The movable support means is characterized by using an elastic support member in which a 1-1 second and third spring member which is selectively flexible in three orthogonal axes directions are integrally connected in series. optical pickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632782U JPS58148735U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4632782U JPS58148735U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58148735U true JPS58148735U (en) | 1983-10-06 |
Family
ID=30057328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4632782U Pending JPS58148735U (en) | 1982-03-30 | 1982-03-30 | optical pick up |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58148735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60138742A (en) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | Objective lens driver |
-
1982
- 1982-03-30 JP JP4632782U patent/JPS58148735U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60138742A (en) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | Objective lens driver |
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