JPS6424521U - - Google Patents
Info
- Publication number
- JPS6424521U JPS6424521U JP11863487U JP11863487U JPS6424521U JP S6424521 U JPS6424521 U JP S6424521U JP 11863487 U JP11863487 U JP 11863487U JP 11863487 U JP11863487 U JP 11863487U JP S6424521 U JPS6424521 U JP S6424521U
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- objective lens
- base part
- pickup device
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図に示した光学型ピツクアツプ装置の
分解斜視図、第３図のａとｂは第１図に示した支
持軸傾斜角の調節作業を示す縦断説明図である。
１は基体部、２は光学ユニツト、５は支持軸挿
通孔、５ａ，５ｂ，１１ａ，１１ｂはテーパ部、
６は光ビーム出射孔、７，８は支持軸調節孔、９
は支持軸、９ａは支点部、１３は外ヨーク、１４
はマグネツト、１５は内ヨーク、１８はドラム、
１９は対物レンズ、２０はフオーカスコイル、２
１はラジアルコイルである。
Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is an exploded perspective view of the optical pickup device shown in Fig. 1, and a and b in Fig. 3 are the supports shown in Fig. 1. FIG. 6 is a vertical cross-sectional view showing the adjustment work of the shaft inclination angle. 1 is a base portion, 2 is an optical unit, 5 is a support shaft insertion hole, 5a, 5b, 11a, 11b are tapered portions,
6 is a light beam exit hole, 7 and 8 are support shaft adjustment holes, 9
is the support shaft, 9a is the fulcrum, 13 is the outer yoke, 14
is the magnet, 15 is the inner yoke, 18 is the drum,
19 is an objective lens, 20 is a focus coil, 2
1 is a radial coil.
Claims (1)
ンズを有し、この対物レンズを保持する対物レン
ズ保持部材が支持軸に設けられると共に、対物レ
ンズ保持部材を上記の支持軸を中心に駆動するこ
とにより、対物レンズを移動させる対物レンズ駆
動手段を備えた光学型ピツクアツプ装置において
、 一端部に対物レンズ保持部材を設けた支持軸の
他端部近傍に球体状の支点部が形成され、上記の
支持軸が支点部を中心として揺動可能に支持軸を
支持する基体部内に配設されると共に、上記基体
部に、基体部内の支持軸と連通し、調節具を挿入
して支持軸を押圧することにより支持軸の傾斜角
を調節するための支持軸調節孔を形成したことを
特徴とする光学型ピツクアツプ装置。[Claims for Utility Model Registration] It has an objective lens that focuses a light beam on the recording surface of a recording medium, and an objective lens holding member that holds this objective lens is provided on the support shaft, and the objective lens holding member is In an optical pickup device equipped with an objective lens driving means that moves an objective lens by driving it around a support shaft, a spherical-shaped A fulcrum part is formed, and the above-mentioned support shaft is arranged in a base part that supports the support shaft so as to be able to swing around the fulcrum part, and an adjustment tool is provided in the base part, communicating with the support shaft in the base part. 1. An optical pickup device comprising a support shaft adjustment hole for adjusting the inclination angle of the support shaft by inserting the support shaft and pressing the support shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11863487U JPS6424521U (en) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11863487U JPS6424521U (en) | 1987-07-31 | 1987-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6424521U true JPS6424521U (en) | 1989-02-09 |
Family
ID=31363149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11863487U Pending JPS6424521U (en) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6424521U (en) |
-
1987
- 1987-07-31 JP JP11863487U patent/JPS6424521U/ja active Pending