JPH0185915U - - Google Patents
Info
- Publication number
- JPH0185915U JPH0185915U JP17830187U JP17830187U JPH0185915U JP H0185915 U JPH0185915 U JP H0185915U JP 17830187 U JP17830187 U JP 17830187U JP 17830187 U JP17830187 U JP 17830187U JP H0185915 U JPH0185915 U JP H0185915U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- yoke
- focusing
- coil
- 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
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第１図は本考案に係る対物レンズ駆動装置の一
実施例の全体斜視図、第２図は第１図におけるＡ
―Ａ′断面図、第３図は要部を拡大して示す拡大
斜視図、第４図は第３図におけるＢ―Ｂ′断面図
、第５図は従来の対物レンズ駆動装置の全体斜視
図である。
１，５１……ベース、３，３５……外側ヨーク
、５……接着剤充填溝、７……切り欠き部、９…
…位置決め手段、１１……接着剤、１３，６３…
…内側ヨーク、１５，６５……可動体、１９，６
９……対物レンズ、２３，７３……板ばね、２５
，７５……ヒンジ、３３，８３……フオーカシン
グコイル、３５，８５……トラツキングコイル、
３７，８７……マグネツト。
FIG. 1 is an overall perspective view of an embodiment of an objective lens driving device according to the present invention, and FIG. 2 is an A in FIG. 1.
-A' sectional view, FIG. 3 is an enlarged perspective view showing important parts, FIG. 4 is a BB' sectional view in FIG. 3, and FIG. 5 is an overall perspective view of a conventional objective lens drive device. It is. 1, 51... Base, 3, 35... Outer yoke, 5... Adhesive filling groove, 7... Notch, 9...
...Positioning means, 11...Adhesive, 13, 63...
...Inner yoke, 15,65...Movable body, 19,6
9... Objective lens, 23, 73... Leaf spring, 25
, 75... hinge, 33, 83... focusing coil, 35, 85... tracking coil,
37,87...Magnet.
Claims (1)
光軸方向即ちフオーカシング方向と前記フオーカ
シング方向と直交する方向即ちトラツキング方向
に可動可能にベースに支持し、フオーカシングコ
イル及びトラツキングコイルと前記コイルに対応
するヨークと前記ヨークに固着されたマグネツト
による電磁的駆動手段により、前記可動体を前記
フオーカシング方向及びトラツキング方向に駆動
するようにした対物レンズ駆動装置において、 前記ヨークに接着剤充填溝を設け接着剤により
前記ヨークと前記マグネツトを固着したことを特
徴とする対物レンズ駆動装置。[Claims for Utility Model Registration] A movable body provided with an objective lens is supported on a base so as to be movable in the optical axis direction of the objective lens, that is, in the focusing direction, and in a direction perpendicular to the focusing direction, that is, in the tracking direction, and a focusing coil is provided. and an objective lens driving device configured to drive the movable body in the focusing direction and the tracking direction by an electromagnetic driving means using a tracking coil, a yoke corresponding to the coil, and a magnet fixed to the yoke. An objective lens driving device characterized in that an adhesive-filled groove is provided in the yoke and the magnet is fixed to the yoke using an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17830187U JPH0185915U (en) | 1987-11-25 | 1987-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17830187U JPH0185915U (en) | 1987-11-25 | 1987-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185915U true JPH0185915U (en) | 1989-06-07 |
Family
ID=31469925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17830187U Pending JPH0185915U (en) | 1987-11-25 | 1987-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007026586A (en) * | 2005-07-20 | 2007-02-01 | Sanyo Electric Co Ltd | Pickup device |
| JP2007317261A (en) * | 2006-05-24 | 2007-12-06 | Hitachi Media Electoronics Co Ltd | Optical pickup |
| CN103035261A (en) * | 2011-09-30 | 2013-04-10 | 日立视听媒体股份有限公司 | Optical pickup |
-
1987
- 1987-11-25 JP JP17830187U patent/JPH0185915U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007026586A (en) * | 2005-07-20 | 2007-02-01 | Sanyo Electric Co Ltd | Pickup device |
| JP2007317261A (en) * | 2006-05-24 | 2007-12-06 | Hitachi Media Electoronics Co Ltd | Optical pickup |
| US8166495B2 (en) | 2006-05-24 | 2012-04-24 | Hitachi Media Electronics Co., Ltd. | Optical pickup |
| CN103035261A (en) * | 2011-09-30 | 2013-04-10 | 日立视听媒体股份有限公司 | Optical pickup |
| JP2013077357A (en) * | 2011-09-30 | 2013-04-25 | Hitachi Media Electoronics Co Ltd | Optical pickup |
| US8588038B2 (en) | 2011-09-30 | 2013-11-19 | Hitachi Media Electronics Co., Ltd. | Optical pickup |