JPH0435220U - - Google Patents
Info
- Publication number
- JPH0435220U JPH0435220U JP7677190U JP7677190U JPH0435220U JP H0435220 U JPH0435220 U JP H0435220U JP 7677190 U JP7677190 U JP 7677190U JP 7677190 U JP7677190 U JP 7677190U JP H0435220 U JPH0435220 U JP H0435220U
- Authority
- JP
- Japan
- Prior art keywords
- drive
- magnet
- yoke
- magnetic
- objective lens
- 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
- 239000002184 metal Substances 0.000 claims 1
Description
第１図は、この考案の第１実施例を示す斜視図
である。第２図は、駆動部−光学系部分離形光ピ
ツクアツプ装置の概略構成を示す側面図である。
第３図は、第１図の駆動部の縦断面図である。第
４図は、第１図の駆動部の平面図である。第５図
は、この考案の第２の実施例を示す斜視図である
。
４……駆動部（磁気駆動系）、１０……コイル
ボビン、１２……対物レンズ、３５……ヨーク（
ヨーク部）、３７……金属性マグネツト。
FIG. 1 is a perspective view showing a first embodiment of this invention. FIG. 2 is a side view showing the schematic structure of the optical pickup device in which the drive section and optical system are separated.
FIG. 3 is a longitudinal sectional view of the drive section of FIG. 1. FIG. 4 is a plan view of the drive section of FIG. 1. FIG. 5 is a perspective view showing a second embodiment of this invention. 4... Drive unit (magnetic drive system), 10... Coil bobbin, 12... Objective lens, 35... Yoke (
yoke part), 37...metallic magnet.
Claims (1)
シング方向に駆動する磁気駆動系のヨーク部をプ
ラスチツクマグネツトで構成し、これに金属性マ
グネツトを結合して、駆動に必要な磁力を得てな
る光学アクチユエータ装置。 An optical actuator device in which the yoke of a magnetic drive system that drives an objective lens in the tracking or focusing direction is made of a plastic magnet, and a metal magnet is coupled to this to obtain the magnetic force necessary for drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7677190U JPH0435220U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7677190U JPH0435220U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435220U true JPH0435220U (en) | 1992-03-24 |
Family
ID=31618542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7677190U Pending JPH0435220U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435220U (en) |
-
1990
- 1990-07-19 JP JP7677190U patent/JPH0435220U/ja active Pending