JPS6093123U - optical pick up - Google Patents
optical pick upInfo
- Publication number
- JPS6093123U JPS6093123U JP18540383U JP18540383U JPS6093123U JP S6093123 U JPS6093123 U JP S6093123U JP 18540383 U JP18540383 U JP 18540383U JP 18540383 U JP18540383 U JP 18540383U JP S6093123 U JPS6093123 U JP S6093123U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- objective lens
- cylindrical
- utility
- model registration
- 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図は本考案め一実施例を示すピックアップにおける
対物レンズ駆動装置の分解斜視図、第２図は組立状態の
縦断拡大側面図、第３図は組立て状態の横断拡大平面図
、第４図は対物レンズ保持体の拡大平面図、第５図は第
４図のＡ−Ａ線断面図、第６図は筒状部の拡大斜視図、
第７図は対物レンズ保持体の筒状部の他の例を示す拡大
斜視図、第８図は対物レンズ保持体の他の例を示す拡大
断面図、第９図も対物レンズ保持体のさらに他の例を示
す鉱夫断面図、第１０図は磁気シールド部材の外観斜視
図、第１１図は第９図に示す対物レンズ保持体を適用し
た光学ピックアップの対物レンズ駆動装置を示す一部破
断斜視図である。
１・・・・・・対物レンズ、１４，４０．５０・・・・
・・対物レンズ保持体、１５，３０，４２，５２・・・
・・・筒状 一部、２１・・・・・・フォーカス駆
動用コイル、５６・・曲磁気シールド部材、１００・・
・・・・繊維。Fig. 1 is an exploded perspective view of an objective lens driving device in a pickup showing an embodiment of the present invention, Fig. 2 is an enlarged vertical side view in an assembled state, Fig. 3 is an enlarged transverse plan view in an assembled state, and Fig. 4 is an enlarged plan view of the objective lens holder, FIG. 5 is a sectional view taken along line A-A in FIG. 4, and FIG. 6 is an enlarged perspective view of the cylindrical part.
FIG. 7 is an enlarged perspective view showing another example of the cylindrical part of the objective lens holder, FIG. 8 is an enlarged sectional view showing another example of the objective lens holder, and FIG. A sectional view of a miner showing another example, FIG. 10 is an external perspective view of a magnetic shielding member, and FIG. 11 is a partially cutaway perspective view showing an objective lens drive device of an optical pickup to which the objective lens holder shown in FIG. 9 is applied. It is a diagram. 1... Objective lens, 14, 40.50...
...Objective lens holder, 15, 30, 42, 52...
... Cylindrical part, 21 ... Focus drive coil, 56 ... Curved magnetic shielding member, 100 ...
····fiber.
Claims (4)
持体の筒状部にコイルを巻回し、該コイルにフォーカス
エラー信号を供給することにより上記保持体を電磁的に
駆動し、光学記録媒体に対する適正なビーム収束状態を
得るようになした光学ピックアップにおいて、上記筒状
体の主体部を炭素繊維から成る有体で形成したことを特
徴とする光学ピックアップ。(1) A coil is wound around the cylindrical part of the cylindrical objective lens holder to which the objective lens is attached, and the holder is electromagnetically driven by supplying a focus error signal to the coil, and the optical recording medium is 1. An optical pickup configured to obtain an appropriate beam convergence state for the beam, characterized in that the main body of the cylindrical body is formed of a solid body made of carbon fiber.
新案登録請求の範囲第（１）項記載の光学ピックアップ
。(2) The optical pickup according to claim (1), wherein the tangible body is made of a woven fabric body.
第１の有体と第１の方向と直交する方向に炭素繊維が整
列された第２の有体の重ね合せから成ることを特徴とす
る実用新案登録請求の範囲第（１）項記載の光学ピック
アップ。(3) The cylindrical body is composed of a first body in which carbon fibers are aligned in a first direction and a second body in which carbon fibers are aligned in a direction perpendicular to the first direction. An optical pickup according to claim (1) of the utility model registration.
を配したことを特徴とする実用新案登録請求の範囲第（
３）項記載の光学ピックアップ。(4) Utility model registration claim No. (
3) The optical pickup described in section 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18540383U JPS6093123U (en) | 1983-11-30 | 1983-11-30 | optical pick up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18540383U JPS6093123U (en) | 1983-11-30 | 1983-11-30 | optical pick up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6093123U true JPS6093123U (en) | 1985-06-25 |
Family
ID=30400739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18540383U Pending JPS6093123U (en) | 1983-11-30 | 1983-11-30 | optical pick up |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6093123U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5288306A (en) * | 1976-01-16 | 1977-07-23 | Philips Nv | Automtic optical focusing system |
-
1983
- 1983-11-30 JP JP18540383U patent/JPS6093123U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5288306A (en) * | 1976-01-16 | 1977-07-23 | Philips Nv | Automtic optical focusing system |
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