JPS60116619U - Actuator for optical pickup - Google Patents
Actuator for optical pickupInfo
- Publication number
- JPS60116619U JPS60116619U JP192084U JP192084U JPS60116619U JP S60116619 U JPS60116619 U JP S60116619U JP 192084 U JP192084 U JP 192084U JP 192084 U JP192084 U JP 192084U JP S60116619 U JPS60116619 U JP S60116619U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnets
- support shaft
- ring
- fixed
- actuator
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示す略図、第２図はそのＡ−
Ａ’断面図、第３図は各コイルおよび磁石の配置関係を
示す略図である。
１・・・・・・基板、２・・・・・・支軸、３，３′・
・・・・・永久磁石、４・・・・・・軸受、５・・・・
・・保持部材、６・・・・・・フォーカスレンズ、７・
・・・・・弾性部材、８，８′・・・・・・フォーカス
コイル、９．９’・・・・・・トラッキングコイル。Figure 1 is a schematic diagram showing an embodiment of the present invention, and Figure 2 is its A-
The A' sectional view and FIG. 3 are schematic diagrams showing the arrangement relationship of each coil and magnet. 1... Board, 2... Support shaft, 3, 3'.
...Permanent magnet, 4...Bearing, 5...
...Holding member, 6... Focus lens, 7.
...Elastic member, 8,8'...Focusing coil, 9.9'...Tracking coil.
Claims (1)
上下方向の磁極を逆向きにして固設された２つの柱状永
久磁石とを有する基板と、前記支軸に対し回動および軸
方向移動する軸受とこの軸受から一方に偏してフォーカ
スレンズを備え他方に偏して前記基板から立ち上った固
定支持部と弾性的に結合した弾性部材とを備えた保持部
材と、各々前記２つの永久磁石の上平面上にわずかの間
隙を隔てて配置された２つの偏平リング状のフォーカス
コイルと、各々上面が前記保持部材の下面に固着され下
面が前記２つのフォーカスコイルの上面に跨って固着さ
れかつ前記２つの永久磁石に跨ってリング内側部が前記
２つの永久磁石の上平面上に位置しリング外側部カー記
２つの永久磁石の上平面から外側に外れた位置に配置さ
れた２つのトラッキングコイルとからなることを特徴と
する光学ピックアップ用アクチュエータ。 ゛A substrate having a support shaft planted near the center and two columnar permanent magnets fixed on both sides of the support shaft with their vertical magnetic poles facing oppositely, and rotating with respect to the support shaft. and a holding member comprising a bearing that moves in the axial direction, a focusing lens biased to one side from the bearing, and an elastic member elastically coupled to a fixed support part biased to the other side and raised from the substrate; Two flat ring-shaped focusing coils are arranged on the upper planes of two permanent magnets with a slight gap between them, and each of the upper surfaces is fixed to the lower surface of the holding member, and the lower surface straddles the upper surface of the two focusing coils. The inner part of the ring is located on the upper plane of the two permanent magnets, and the outer part of the ring is placed in a position outward from the upper plane of the two permanent magnets. An actuator for an optical pickup characterized by comprising two tracking coils.゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192084U JPS60116619U (en) | 1984-01-10 | 1984-01-10 | Actuator for optical pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192084U JPS60116619U (en) | 1984-01-10 | 1984-01-10 | Actuator for optical pickup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60116619U true JPS60116619U (en) | 1985-08-07 |
| JPH0313861Y2 JPH0313861Y2 (en) | 1991-03-28 |
Family
ID=30475104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP192084U Granted JPS60116619U (en) | 1984-01-10 | 1984-01-10 | Actuator for optical pickup |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62208437A (en) * | 1986-03-07 | 1987-09-12 | Hitachi Ltd | Objective lens driving device |
| JPH05197984A (en) * | 1992-10-21 | 1993-08-06 | Sony Corp | Optical head device for disk player |
-
1984
- 1984-01-10 JP JP192084U patent/JPS60116619U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62208437A (en) * | 1986-03-07 | 1987-09-12 | Hitachi Ltd | Objective lens driving device |
| JPH05197984A (en) * | 1992-10-21 | 1993-08-06 | Sony Corp | Optical head device for disk player |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313861Y2 (en) | 1991-03-28 |
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