JPS63142001U - - Google Patents
Info
- Publication number
- JPS63142001U JPS63142001U JP3271687U JP3271687U JPS63142001U JP S63142001 U JPS63142001 U JP S63142001U JP 3271687 U JP3271687 U JP 3271687U JP 3271687 U JP3271687 U JP 3271687U JP S63142001 U JPS63142001 U JP S63142001U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- objective lens
- disk device
- magnet
- 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
- 230000005415 magnetization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案による光磁気デイスク装置の原
理構成を示す概略的配置図、第２図及び第３図は
本考案の第１実施例を示す斜視図及び縦断面図、
第４図及び第５図は本考案の第２実施例を示す斜
視図及び縦断面図、第６図及び第７図は本考案の
第３実施例を示す斜視図及び正面図、第８図は従
来装置を示す概略的配置図である。
１…光磁気デイスク、２…光学系、３…対物レ
ンズ、７…対物レンズアクチユエータ部、１０…
磁石。
FIG. 1 is a schematic layout diagram showing the principle structure of a magneto-optical disk device according to the present invention, FIGS. 2 and 3 are a perspective view and a vertical sectional view showing a first embodiment of the present invention,
4 and 5 are perspective views and vertical sectional views showing the second embodiment of the present invention, FIGS. 6 and 7 are perspective views and front views showing the third embodiment of the present invention, and FIG. 1 is a schematic layout diagram showing a conventional device. DESCRIPTION OF SYMBOLS 1... Magneto-optical disk, 2... Optical system, 3... Objective lens, 7... Objective lens actuator part, 10...
magnet.
Claims (1)
磁気デイスク上に照射して照射位置における磁化
を消失させ、上記レーザ光線の照射終了時に磁石
によつて印加される磁界方向に上記光磁気デイス
クの照射位置を磁化させて情報を記録または消去
させる光磁気デイスク装置において、 上記対物レンズを駆動させる対物レンズアクチ
ユエータ部に上記磁石を設けたことを特徴とする
光磁気デイスク装置。[Claims for Utility Model Registration] A laser beam is focused through an objective lens and irradiated onto a magneto-optical disk to eliminate magnetization at the irradiation position, and a magnetic field is applied by a magnet at the end of irradiation with the laser beam. A magneto-optical disk device that records or erases information by magnetizing an irradiation position of the magneto-optical disk in a direction, wherein the magneto-optical disk device is characterized in that the magnet is provided in an objective lens actuator section that drives the objective lens. disk device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3271687U JPS63142001U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3271687U JPS63142001U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142001U true JPS63142001U (en) | 1988-09-19 |
Family
ID=30839662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3271687U Pending JPS63142001U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142001U (en) |
-
1987
- 1987-03-06 JP JP3271687U patent/JPS63142001U/ja active Pending