JPS63181117U - - Google Patents
Info
- Publication number
- JPS63181117U JPS63181117U JP7262287U JP7262287U JPS63181117U JP S63181117 U JPS63181117 U JP S63181117U JP 7262287 U JP7262287 U JP 7262287U JP 7262287 U JP7262287 U JP 7262287U JP S63181117 U JPS63181117 U JP S63181117U
- Authority
- JP
- Japan
- Prior art keywords
- movable body
- coil
- tracking
- objective lens
- focusing
- 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 1
- 230000001105 regulatory effect Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
図は本考案の対物レンズ駆動装置の一実施例で
、第１図は要部の平面図、第２図は全体の斜視図
、第３図はその分解斜視図、第４図はその平面図
、第５図はその縦断面図である。
１……固定部、４，５……ヨーク、８……マグ
ネツト、２１……可動体、２２……対物レンズ、
２３……フオーカシングコイル、２４……トラツ
キングコイル、２８……係止部としての突縁。
The figures show one embodiment of the objective lens driving device of the present invention, in which Fig. 1 is a plan view of the main parts, Fig. 2 is a perspective view of the whole, Fig. 3 is an exploded perspective view thereof, and Fig. 4 is a plan view thereof. , FIG. 5 is a longitudinal sectional view thereof. 1... fixed part, 4, 5... yoke, 8... magnet, 21... movable body, 22... objective lens,
23... Focusing coil, 24... Tracking coil, 28... Projection as a locking portion.
Claims (1)
カシング方向に移動可能に支持し、この可動体に
対物レンズをフオーカシング方向に光軸を一致さ
せて取付けるとともにフオーカシングコイル及び
トラツキングコイルを取付け、このフオーカシン
グコイル及びトラツキングコイルに対するマグネ
ツト及びヨークを上記固定部に設けた対物レンズ
駆動装置であつて、 上記可動体に上記ヨークに当接して可動体のト
ラツキング方向の移動範囲を規制する係止部を形
成したことを特徴とする対物レンズ駆動装置。[Claims for Utility Model Registration] A movable body is supported movably in the tracking direction and the focusing direction on the fixed part, an objective lens is attached to the movable body with its optical axis aligned in the focusing direction, and a focusing coil and a tracking An objective lens driving device in which a king coil is attached, and a magnet and a yoke for the focusing coil and the tracking coil are provided in the fixed part, wherein the movable body comes into contact with the yoke to move the movable body in the tracking direction. An objective lens driving device characterized by forming a locking portion for regulating a range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7262287U JPS63181117U (en) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7262287U JPS63181117U (en) | 1987-05-15 | 1987-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181117U true JPS63181117U (en) | 1988-11-22 |
Family
ID=30916236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7262287U Pending JPS63181117U (en) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181117U (en) |
-
1987
- 1987-05-15 JP JP7262287U patent/JPS63181117U/ja active Pending