JPS6418425U - - Google Patents
Info
- Publication number
- JPS6418425U JPS6418425U JP11215987U JP11215987U JPS6418425U JP S6418425 U JPS6418425 U JP S6418425U JP 11215987 U JP11215987 U JP 11215987U JP 11215987 U JP11215987 U JP 11215987U JP S6418425 U JPS6418425 U JP S6418425U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- movable member
- focusing
- objective lens
- tracking
- 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
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を
示すもので、第１図は一部を省略した平面図、第
２図はその要部を拡大した平面図、第３図はその
要部を拡大した側面図、第４図は分解斜視図であ
る。
１……固定部としてのベース、３……ヨーク、
４……マグネツト、５……可動部材、５ｃ……可
動部材５の凹部、５ｅ……可動部材５の外側面、
６……対物レンズ、７……フオーカシングコイル
、７ａ……フオーカシングコイル７の外側面、８
……トラツキングコイル。
The figures show an embodiment of the objective lens driving device of the present invention, in which Fig. 1 is a partially omitted plan view, Fig. 2 is an enlarged plan view of the main part, and Fig. 3 is the main part. FIG. 4 is an enlarged side view, and FIG. 4 is an exploded perspective view. 1...Base as a fixed part, 3...Yoke,
4... Magnet, 5... Movable member, 5c... Recessed portion of movable member 5, 5e... Outer surface of movable member 5,
6... Objective lens, 7... Focusing coil, 7a... Outer surface of focusing coil 7, 8
...Tracking coil.
Claims (1)
カシング方向及びトラツキング方向に移動可能に
支持し、この可動部材の側部にフオーカシングコ
イルを設けるとともに、このフオーカシングコイ
ルの外側面にトラツキングコイルを設け、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、 上記可動部材の側部に凹部を形成し、この凹部
に上記フオーカシングコイルを固定し、このフオ
ーカシングコイルの外側面から上記凹部外側の可
動部材の外側面に上記トラツキングコイルを固定
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 member provided with an objective lens is supported movably in a focusing direction and a tracking direction on a fixed part, a focusing coil is provided on the side of this movable member, and a focusing coil is provided on the side of this movable member. A tracking coil is provided on the outer surface of the coil, and a magnet and a yoke for the focusing coil and the tracking coil are provided in the fixed part, the objective lens driving device comprising: a recessed part formed in the side part of the movable member; An objective lens driving device characterized in that the focusing coil is fixed in the recess, and the tracking coil is fixed from an outer surface of the focusing coil to an outer surface of a movable member outside the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215987U JPS6418425U (en) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215987U JPS6418425U (en) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6418425U true JPS6418425U (en) | 1989-01-30 |
Family
ID=31350843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11215987U Pending JPS6418425U (en) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418425U (en) |
-
1987
- 1987-07-22 JP JP11215987U patent/JPS6418425U/ja active Pending