JPS62180322U - - Google Patents
Info
- Publication number
- JPS62180322U JPS62180322U JP6543686U JP6543686U JPS62180322U JP S62180322 U JPS62180322 U JP S62180322U JP 6543686 U JP6543686 U JP 6543686U JP 6543686 U JP6543686 U JP 6543686U JP S62180322 U JPS62180322 U JP S62180322U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- plate member
- optical axis
- lens holder
- holder
- 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 description 3
- 230000004907 flux Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の第１実施例である光ピツクア
ツプアクチユエータの全体斜視図、第２図は従来
技術を示す平面図と断面図、第３図は本考案の原
理図、第４図は本考案の第２実施例を示す全体斜
視図、第５図は第４図の断面図である。
１……対物レンズ、９，２９……レンズホルダ
、１７，１８，３１，３２……板部材、２，３，
３０，２１，３３，３４……マグネツト、４，５
，２４，２５，３７，３８……フオーカシング用
コイル、６，７，２２，２３，３５，３６……ト
ラツキング用コイル、１２，１３，１４，１５…
…ワイヤ、２８……固定軸、３０……軸受け、３
９……弾性支持部材。
Fig. 1 is an overall perspective view of an optical pickup actuator which is the first embodiment of the present invention, Fig. 2 is a plan view and a sectional view showing the prior art, Fig. 3 is a diagram of the principle of the present invention, and Fig. 4 5 is an overall perspective view showing a second embodiment of the present invention, and FIG. 5 is a sectional view of FIG. 4. 1... Objective lens, 9, 29... Lens holder, 17, 18, 31, 32... Plate member, 2, 3,
30, 21, 33, 34...Magnet, 4, 5
, 24, 25, 37, 38... Focusing coil, 6, 7, 22, 23, 35, 36... Tracking coil, 12, 13, 14, 15...
... wire, 28 ... fixed shaft, 30 ... bearing, 3
9...Elastic support member.
Claims (1)
に対物レンズをレンズ光軸方向並びにレンズ光軸
と直角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、 対物レンズホルダを合成樹脂で構成し、この対
物レンズホルダに磁性材からなる板部材を固定す
ると共に、該板部材と間隔を介してフオーカス用
コイル並びにトラツキング用コイルを配し且つこ
れらコイルを貫通して前記板部材に向けて磁束を
向けるように磁界発生手段を配置したことを特徴
とする対物レンズ駆動装置。[Claims for Utility Model Registration] In an objective lens drive device that drives an objective lens in the direction of the lens optical axis and in the direction perpendicular to the lens optical axis in order to read information recorded on an information recording medium, an objective lens holder is provided. A plate member made of a magnetic material is fixed to the objective lens holder, and a focusing coil and a tracking coil are arranged at intervals from the plate member, and the plate member is inserted through these coils. An objective lens driving device characterized in that a magnetic field generating means is arranged so as to direct magnetic flux toward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6543686U JPS62180322U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6543686U JPS62180322U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180322U true JPS62180322U (en) | 1987-11-16 |
Family
ID=30902505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6543686U Pending JPS62180322U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180322U (en) |
-
1986
- 1986-04-30 JP JP6543686U patent/JPS62180322U/ja active Pending
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