JPS6415317U - - Google Patents
Info
- Publication number
- JPS6415317U JPS6415317U JP10896987U JP10896987U JPS6415317U JP S6415317 U JPS6415317 U JP S6415317U JP 10896987 U JP10896987 U JP 10896987U JP 10896987 U JP10896987 U JP 10896987U JP S6415317 U JPS6415317 U JP S6415317U
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- holder
- support member
- spherical
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図及び第２図は本考案光学ピツクアツプ装
置の光軸調整機構の実施の一例を示すもので、第
１図は断面図、第２図は要部の斜視図、第３図乃
至第５図は本考案光学ピツクアツプ装置の光軸調
整機構を光学ピツクアツプ装置に使用した使用例
を示すもので、第３図は全体の斜視図、第４図は
分解斜視図、第５図は要部の分解斜視図、第６図
及び第７図は本考案光学ピツクアツプ装置の光軸
調整機構の変形例を示すもので、第６図Ａ，Ｂは
第１の変形例を示し、Ａ図は要部の正面図、Ｂ図
はＡ図のＢ−Ｂ線に沿う断面図、第７図は第２の
変形例を示す要部の断面図、第８図は光学ピツク
アツプ装置の概略を説明するための説明図、第９
図は光学ピツクアツプ装置における従来の光軸調
整機構の要部を示す斜視図である。
符号の説明、１…光軸調整機構、２…ミラー支
持部材、３…反射ミラー、３ａ…反射面、４…基
準穴、５…ホルダー、６…押圧手段、８…球面、
１４…光学ピツクアツプ装置、２８…反射ミラー
、２８ａ…反射面、Ｏ…球中心。
1 and 2 show an example of the implementation of the optical axis adjustment mechanism of the optical pickup device of the present invention, in which FIG. 1 is a sectional view, FIG. 2 is a perspective view of the main parts, and The figures show an example of using the optical axis adjustment mechanism of the optical pickup device of the present invention in an optical pickup device. FIG. 3 is an overall perspective view, FIG. 4 is an exploded perspective view, and FIG. Exploded perspective views, FIGS. 6 and 7 show modified examples of the optical axis adjustment mechanism of the optical pickup device of the present invention, FIGS. 6 A and B show the first modified example, and FIG. A shows the main part. Figure B is a sectional view taken along the line B-B of Figure A, Figure 7 is a sectional view of the main part showing the second modification, and Figure 8 is a diagram for explaining the outline of the optical pickup device. Explanatory diagram, No. 9
The figure is a perspective view showing the main parts of a conventional optical axis adjustment mechanism in an optical pickup device. Explanation of symbols, 1... Optical axis adjustment mechanism, 2... Mirror support member, 3... Reflective mirror, 3a... Reflective surface, 4... Reference hole, 5... Holder, 6... Pressing means, 8... Spherical surface,
14...Optical pickup device, 28...Reflection mirror, 28a...Reflection surface, O...Sphere center.
Claims (1)
ンズ側に略４５゜屈曲せしめる反射ミラーを有す
る光学ピツクアツプ装置の光軸調整機構であつて
、 少なくとも一部に球面を有し、該球面の球中心
を含む平面に前記反射ミラーの反射面を配置した
ミラー支持部材と、 該ミラー支持部材を保持するホルダーと、 該ホルダーにミラー支持部材を押し付ける押圧
手段と、から成り、 前記ホルダーにはミラー支持部材の球径よりも
小さい直径の基準穴が形成されており、 前記ミラー支持部材は前記押圧手段によりその
球面が前記ホルダーに形成された基準穴に押しつ
けられた ことを特徴とする光学ピツクアツプ装置の光軸
調整機構。[Claims for Utility Model Registration] An optical axis adjustment mechanism for an optical pickup device having a reflecting mirror that bends a beam emitted from a laser light source by approximately 45 degrees toward an objective lens, the mechanism having at least a spherical surface at least in part. , a mirror support member in which the reflective surface of the reflective mirror is arranged on a plane including the spherical center of the spherical surface, a holder for holding the mirror support member, and a pressing means for pressing the mirror support member against the holder, A reference hole having a smaller diameter than the spherical diameter of the mirror supporting member is formed in the holder, and the spherical surface of the mirror supporting member is pressed against the reference hole formed in the holder by the pressing means. Optical axis adjustment mechanism for optical pickup equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10896987U JPH05971Y2 (en) | 1987-07-17 | 1987-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10896987U JPH05971Y2 (en) | 1987-07-17 | 1987-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6415317U true JPS6415317U (en) | 1989-01-26 |
| JPH05971Y2 JPH05971Y2 (en) | 1993-01-12 |
Family
ID=31344794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10896987U Expired - Lifetime JPH05971Y2 (en) | 1987-07-17 | 1987-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05971Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0462508U (en) * | 1990-10-04 | 1992-05-28 | ||
| US7209411B1 (en) | 1998-07-30 | 2007-04-24 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing optical head |
-
1987
- 1987-07-17 JP JP10896987U patent/JPH05971Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0462508U (en) * | 1990-10-04 | 1992-05-28 | ||
| US7209411B1 (en) | 1998-07-30 | 2007-04-24 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing optical head |
| US7317675B2 (en) | 1998-07-30 | 2008-01-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing optical head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05971Y2 (en) | 1993-01-12 |
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