JPS6322613U - - Google Patents
Info
- Publication number
- JPS6322613U JPS6322613U JP11309386U JP11309386U JPS6322613U JP S6322613 U JPS6322613 U JP S6322613U JP 11309386 U JP11309386 U JP 11309386U JP 11309386 U JP11309386 U JP 11309386U JP S6322613 U JPS6322613 U JP S6322613U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- holder
- coil
- elastic body
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図〜第３図はこの考案に係る光ピツクアツ
プの対物レンズ駆動装置の一実施例を示したもの
であり、第１図は平面図、第２図は斜視図、第３
図は弾性体の破断斜視図である。第４図及び第５
図は第１図〜第３図に示した対物レンズ駆動装置
の周波数特性を示したグラフである。第６図及び
第７図は従来の対物レンズ駆動装置を示したもの
であり、第６図は斜視図、第７図は分解斜視図で
ある。第８図及び第９図は第６図及び第７図に示
した対物レンズ駆動装置の周波数特性を示すグラ
フである。
５０……支持ベース、６０……対物レンズ、７
０……ホルダー、７４……フオーカシングコイル
、７５……トラツキングコイル、Ａ，Ｂ……弾性
体。
1 to 3 show an embodiment of an objective lens driving device for an optical pickup according to this invention, in which FIG. 1 is a plan view, FIG. 2 is a perspective view, and FIG. 3 is a perspective view.
The figure is a cutaway perspective view of the elastic body. Figures 4 and 5
The figure is a graph showing the frequency characteristics of the objective lens driving device shown in FIGS. 1 to 3. 6 and 7 show a conventional objective lens driving device, with FIG. 6 being a perspective view and FIG. 7 being an exploded perspective view. FIGS. 8 and 9 are graphs showing the frequency characteristics of the objective lens drive device shown in FIGS. 6 and 7. 50...Support base, 60...Objective lens, 7
0...Holder, 74...Focusing coil, 75...Tracking coil, A, B...Elastic body.
Claims (1)
持するホルダーにトラツキングコイル及びフオー
カシングコイルを設け、前記支持ベースに弾性体
を介して前記ホルダーを取付け、前記ホルダーを
前記磁気回路と前記各コイルとの間に働く電磁相
互作用によつてトラツキング方向並びにフオーカ
シング方向に駆動する光ピツクアツプの対物レン
ズ駆動装置において、 前記弾性体がウレタンゴムから成ることを特徴
とする光ピツクアツプの対物レンズ駆動装置。[Claims for Utility Model Registration] A magnetic circuit is provided on a support base, a tracking coil and a focusing coil are provided on a holder that holds an objective lens, the holder is attached to the support base via an elastic body, and the holder is provided with a tracking coil and a focusing coil. An objective lens driving device for an optical pickup that drives a lens in a tracking direction and a focusing direction by electromagnetic interaction acting between the magnetic circuit and each of the coils, wherein the elastic body is made of urethane rubber. Pick-up objective lens drive device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11309386U JPS6322613U (en) | 1986-07-23 | 1986-07-23 | |
| KR870007733A KR880002148A (en) | 1986-07-17 | 1987-07-16 | Objective lens drive of optical pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11309386U JPS6322613U (en) | 1986-07-23 | 1986-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322613U true JPS6322613U (en) | 1988-02-15 |
Family
ID=30994565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11309386U Pending JPS6322613U (en) | 1986-07-17 | 1986-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322613U (en) |
-
1986
- 1986-07-23 JP JP11309386U patent/JPS6322613U/ja active Pending