JPS62124618U - - Google Patents
Info
- Publication number
- JPS62124618U JPS62124618U JP1113286U JP1113286U JPS62124618U JP S62124618 U JPS62124618 U JP S62124618U JP 1113286 U JP1113286 U JP 1113286U JP 1113286 U JP1113286 U JP 1113286U JP S62124618 U JPS62124618 U JP S62124618U
- Authority
- JP
- Japan
- Prior art keywords
- drive frame
- elastic member
- objective lens
- tracking
- coil
- 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 4
- 230000007935 neutral effect Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案の対物レンズ駆動装置の一実
施例を示した平面図、第２図は第１図の―線
断面図、第３図は第１図の―線断面図、第４
図は第１図に示した対物レンズ駆動装置の分解斜
視図、第５図は従来の対物レンズ駆動装置を示し
た平面図、第６図は第５図の―線断面図であ
る。
Ａ……対物レンズ駆動装置、１０……支持部、
１０ａ……支持孔、２０……駆動枠、３０，３１
……永久磁石、４０……調整部材、５０……対物
レンズ、７０……フオーカスコイル、８０……ト
ラツキングコイル、９０……弾性部材、９３……
係合穴（係合部）。
FIG. 1 is a plan view showing an embodiment of the objective lens driving device of this invention, FIG.
The figure is an exploded perspective view of the objective lens drive device shown in FIG. 1, FIG. 5 is a plan view showing the conventional objective lens drive device, and FIG. 6 is a sectional view taken along the line -- in FIG. A... Objective lens drive device, 10... Support part,
10a...Support hole, 20...Drive frame, 30, 31
... Permanent magnet, 40 ... Adjustment member, 50 ... Objective lens, 70 ... Focus coil, 80 ... Tracking coil, 90 ... Elastic member, 93 ...
Engagement hole (engagement part).
Claims (1)
学式プレーヤー及び光学式デイスクに情報を記録
する装置等に装着される対物レンズ駆動装置であ
つて、 前記光学式デイスクのピツト面に結像させる対
物レンズが固定されると共にフオーカスコイル及
びトラツキングコイルが設けられた略円筒状の駆
動枠と、 該駆動枠がフオーカス方向及びトラツキング方
向に摺動自在に挿入される支持孔が穿設され、前
記フオーカスコイル、トラツキングコイルと協働
して前記駆動枠を駆動させる磁石が設けられた支
持部と、 前記駆動枠の直径方向に架設され、該駆動枠の
中心軸と交差する部位に係合部の設けられた弾性
部材と、 一端部を前記弾性部材の係合部に係合させ、他
端部を該他端部に穿設されたネジ穴を介して前記
支持部に対して前記駆動枠のトラツキング方向の
回動に沿つて変位可能に取り付けられた調整部材
とから成り、前記駆動枠のトラツキング方向の中
立位置を調整可能としたことを特徴とする光学式
プレーヤーの対物レンズ駆動装置。[Scope of Claim for Utility Model Registration] An objective lens driving device installed in an optical player for detecting information recorded on an optical disk, a device for recording information on an optical disk, etc., comprising: A substantially cylindrical drive frame in which an objective lens for forming an image on a pit surface is fixed, and a focus coil and a tracking coil are provided; and a support into which the drive frame is slidably inserted in a focus direction and a tracking direction. a support part having a hole bored therein and provided with a magnet that drives the drive frame in cooperation with the focus coil and the tracking coil; an elastic member provided with an engaging portion at a portion intersecting with the elastic member, one end of which is engaged with the engaging portion of the elastic member, and the other end of which is inserted into the elastic member through a screw hole bored in the other end; An optical system comprising: an adjustment member displaceably attached to the support portion along rotation of the drive frame in the tracking direction, and the neutral position of the drive frame in the tracking direction can be adjusted. Player objective lens drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1113286U JPS62124618U (en) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1113286U JPS62124618U (en) | 1986-01-29 | 1986-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62124618U true JPS62124618U (en) | 1987-08-07 |
Family
ID=30798069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1113286U Pending JPS62124618U (en) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62124618U (en) |
-
1986
- 1986-01-29 JP JP1113286U patent/JPS62124618U/ja active Pending
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