JPH0332723U - - Google Patents
Info
- Publication number
- JPH0332723U JPH0332723U JP9129089U JP9129089U JPH0332723U JP H0332723 U JPH0332723 U JP H0332723U JP 9129089 U JP9129089 U JP 9129089U JP 9129089 U JP9129089 U JP 9129089U JP H0332723 U JPH0332723 U JP H0332723U
- Authority
- JP
- Japan
- Prior art keywords
- lens holder
- drive device
- focusing
- optical pickup
- correction drive
- 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 8
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例に係る光ピツクアツ
プの補正駆動装置を示す部分側面図、第２Ａ図と
第２Ｂ図は本考案の他の実施例を示す光ピツクア
ツプの補正駆動装置の部分側面図、第３図は光ピ
ツクアツプの従来のフオーカシング方向の補正駆
動装置を示す斜視図、第４図は第３図の部分側面
図、第５図は従来の光ピツクアツプの補正駆動装
置における磁気回路の可動部に対するフオーカシ
ング方向の変位量との関係を示す変位−吸引力特
性図である。
１……対物レンズ、２……レンズホルダ、３…
…板ばね、４……マグネツト、６……フオーカシ
ングコイル、１５……ヨーク。
FIG. 1 is a partial side view showing a correction drive device for an optical pickup according to an embodiment of the present invention, and FIGS. 2A and 2B are partial side views of a correction drive device for an optical pickup according to another embodiment of the present invention. 3 is a perspective view showing a conventional focusing direction correction drive device for an optical pickup, FIG. 4 is a partial side view of FIG. 3, and FIG. 5 shows a magnetic circuit in a conventional correction drive device for an optical pickup. FIG. 6 is a displacement-attractive force characteristic diagram showing the relationship between the amount of displacement of the movable part in the focusing direction; 1... Objective lens, 2... Lens holder, 3...
...Plate spring, 4...Magnet, 6...Focusing coil, 15...Yoke.
Claims (1)
ンズホルダと、このレンズホルダをフオーカシン
グ方向へ動作自在に支持する支持部と、前記レン
ズホルダに対向して設けられ且つフオーカシング
方向と直交する方向に電流が流されるフオーカシ
ングコイルと、このフオーカシングコイルを挟む
位置に配置されたマグネツトおよびヨークとを備
えた光ピツクアツプの補正駆動装置において、前
記ヨークの光デイスク側の端部が、前記ヨークの
光デイスクと反対側の端部よりもマグネツトに近
づけられていることを特徴とする光ピツクアツプ
の補正駆動装置。 A lens holder that holds an objective lens facing an optical disk, a support that supports the lens holder so as to be movable in a focusing direction, and a support that is provided opposite to the lens holder and in which a current is passed in a direction perpendicular to the focusing direction. In the correction drive device for an optical pickup, which includes a focusing coil, and a magnet and a yoke, which are arranged to sandwich the focusing coil, an end of the yoke on the optical disk side 1. A correction drive device for an optical pickup, characterized in that the opposite end is closer to the magnet than the opposite end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9129089U JPH0332723U (en) | 1989-08-01 | 1989-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9129089U JPH0332723U (en) | 1989-08-01 | 1989-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332723U true JPH0332723U (en) | 1991-03-29 |
Family
ID=31640782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9129089U Pending JPH0332723U (en) | 1989-08-01 | 1989-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002132126A (en) * | 2000-10-20 | 2002-05-09 | Pegasus Planning:Kk | Learning support system |
| JP2007538290A (en) * | 2004-05-19 | 2007-12-27 | ワード ワールド，エルエルシー | Literacy education method, device, computer program product and system |
-
1989
- 1989-08-01 JP JP9129089U patent/JPH0332723U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002132126A (en) * | 2000-10-20 | 2002-05-09 | Pegasus Planning:Kk | Learning support system |
| JP2007538290A (en) * | 2004-05-19 | 2007-12-27 | ワード ワールド，エルエルシー | Literacy education method, device, computer program product and system |
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