JPS6344222U - - Google Patents
Info
- Publication number
- JPS6344222U JPS6344222U JP13810286U JP13810286U JPS6344222U JP S6344222 U JPS6344222 U JP S6344222U JP 13810286 U JP13810286 U JP 13810286U JP 13810286 U JP13810286 U JP 13810286U JP S6344222 U JPS6344222 U JP S6344222U
- Authority
- JP
- Japan
- Prior art keywords
- imaging element
- driving device
- permanent magnet
- axial direction
- element driving
- 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
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例による結像素子駆動
装置の分解斜視図、第２図は多極化着磁のリング
状永久磁石とコイルの組立状態を示す第１図の部
分拡大分解斜視図、第３図は第２図の永久磁石の
磁気回路構成を示す部分平面図、第４図は従来例
の結像素子駆動装置の分解斜視図、第５図は従来
例の組立状態を示す断面図、第６図は従来例の部
分拡大分解斜視図である。
図において、１は結像素子、３は結像素子ホル
ダ、４は支軸、１０，２２ａ乃至２１，２２ｄは
トラツク制御用コイル、６ａ，６ｂは永久磁石、
２０は多極着磁永久磁石、２３はヨークである。
なお、図中、同一符号は同一、又は相当部分を示
す。
FIG. 1 is an exploded perspective view of an imaging element driving device according to an embodiment of the present invention, FIG. 2 is a partially enlarged exploded perspective view of FIG. 1 showing an assembled state of a multipolarized ring-shaped permanent magnet and a coil; FIG. 3 is a partial plan view showing the magnetic circuit configuration of the permanent magnet shown in FIG. 2, FIG. 4 is an exploded perspective view of a conventional imaging element drive device, and FIG. 5 is a sectional view showing the assembled state of the conventional example. , FIG. 6 is a partially enlarged exploded perspective view of a conventional example. In the figure, 1 is an imaging element, 3 is an imaging element holder, 4 is a support shaft, 10, 22a to 21, 22d are track control coils, 6a, 6b are permanent magnets,
20 is a multipolar magnetized permanent magnet, and 23 is a yoke.
In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
動をも自在にできるよう嵌着され、前記支軸の軸
線方向と平行な光軸を有する結像素子を保持する
結像素子ホルダと、この結像素子ホルダに取付け
られ、該結像素子ホルダを回転移動するとともに
該軸線方向に駆動する駆動装置とを備え、前記結
像素子ホルダを駆動して、前記結像素子を介して
記録媒体表面に集光される光スポツトとトラツク
とのずれ量であるトラツクずれ及び焦点位置ずれ
を制御するようにした結像素子駆動装置において
、該結像素子駆動装置が、その可動部に設けた部
分多極化ラジアル着磁による永久磁石と、該結像
素子駆動装置の固定部側に設け該永久磁石と一定
のギヤツプをなすヨークと、該多極化永久磁石と
該ヨークにより生じる磁界中に固定するコイルか
ら成ることを特徴とする結像素子駆動装置。 an imaging element holder that holds an imaging element that is fitted on a support shaft so as to be rotatably movable and can also freely move linearly in an axial direction, and that has an optical axis parallel to the axial direction of the support shaft; a driving device attached to the child holder to rotate and drive the imaging element holder in the axial direction; In an imaging element driving device that controls track deviation and focal position deviation, which is the amount of deviation between the emitted light spot and the track, the imaging element driving device uses a partially multipolar radial attachment provided on its movable part. It is characterized by comprising a magnetic permanent magnet, a yoke provided on the fixed part side of the imaging element driving device and forming a constant gap with the permanent magnet, and a coil fixed in the magnetic field generated by the multipolar permanent magnet and the yoke. An imaging element driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138102U JPH0718016Y2 (en) | 1986-09-09 | 1986-09-09 | Imaging element drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138102U JPH0718016Y2 (en) | 1986-09-09 | 1986-09-09 | Imaging element drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6344222U true JPS6344222U (en) | 1988-03-24 |
| JPH0718016Y2 JPH0718016Y2 (en) | 1995-04-26 |
Family
ID=31042779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986138102U Expired - Lifetime JPH0718016Y2 (en) | 1986-09-09 | 1986-09-09 | Imaging element drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718016Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044225U (en) * | 1983-09-05 | 1985-03-28 | ソニー株式会社 | Optical pickup device |
| JPS61120354A (en) * | 1984-11-14 | 1986-06-07 | Mitsubishi Electric Corp | Driver of optical device |
-
1986
- 1986-09-09 JP JP1986138102U patent/JPH0718016Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044225U (en) * | 1983-09-05 | 1985-03-28 | ソニー株式会社 | Optical pickup device |
| JPS61120354A (en) * | 1984-11-14 | 1986-06-07 | Mitsubishi Electric Corp | Driver of optical device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718016Y2 (en) | 1995-04-26 |
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