JPH032401U - - Google Patents
Info
- Publication number
- JPH032401U JPH032401U JP6015289U JP6015289U JPH032401U JP H032401 U JPH032401 U JP H032401U JP 6015289 U JP6015289 U JP 6015289U JP 6015289 U JP6015289 U JP 6015289U JP H032401 U JPH032401 U JP H032401U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- rotating body
- disk drive
- drive device
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図は本考案に係る光磁気デイスク駆動装置
の第１の実施例の斜視図、第２図は第１図に示し
たフレームの部分概略図、第３図ａ，ｂ、第４図
ａ，ｂ、第５図ａ，ｂは第１図の光磁気デイスク
駆動装置の動作を説明するための図、第６図ａ，
ｂはそれぞれ本考案に係る光磁気デイスク駆動装
置の平面図、側面図、第７図ａは第６図ａ，ｂに
示した光磁気デイスク駆動装置の変形例の平面図
、第７図ｂは第７図ａのＥ−Ｅ線における断面図
、第８図ａ，ｂはシヤフトと支持部材とにストツ
パとしての機能をもたせた場合の動作を説明する
ための図である。
１……光磁気デイスク媒体、２……フレーム、
３……シヤフト、４……回転体、５……コイル、
６……中心部材、７……トーシヨンバネ、８，９
……永久磁石、２９，３０，３１，３２，３３…
…電磁石、２ｃ，２ｄ……ストツパ。
Fig. 1 is a perspective view of a first embodiment of the magneto-optical disk drive device according to the present invention, Fig. 2 is a partial schematic diagram of the frame shown in Fig. 1, Figs. 3a and b, and Fig. 4a. , b, FIGS. 5a and 5b are diagrams for explaining the operation of the magneto-optical disk drive device of FIG. 1, and FIGS.
7b is a plan view and a side view of a magneto-optical disk drive according to the present invention, FIG. 7a is a plan view of a modification of the magneto-optical disk drive shown in FIGS. 6a and 6b, and FIG. A sectional view taken along the line E--E in FIG. 7a, and FIGS. 8a and 8b are diagrams for explaining the operation when the shaft and the support member are provided with a function as a stopper. 1... Magneto-optical disk medium, 2... Frame,
3...shaft, 4...rotating body, 5...coil,
6... Central member, 7... Torsion spring, 8, 9
...Permanent magnet, 29, 30, 31, 32, 33...
...Electromagnet, 2c, 2d...stopper.
Claims (1)
もち、光磁気デイスク媒体に対して互いに反対の
磁極を与える複数の永久磁石が所定の角度をなし
て設けられた回転体を有する光磁気デイスク駆動
装置において、前記回転体を所定の回転方向に常
時付勢する付勢手段と、通電したときに前記永久
磁石と協動して前記付勢手段による回転方向とは
反対の方向に前記回転体を回転させるように前記
回転体と対向した位置に配置された電磁石とを備
えていることを特徴とする光磁気デイスク駆動装
置。 ２ 光磁気デイスク媒体の半径方向に回転軸心を
もち、光磁気デイスク媒体に対して互いに反対の
極性を与える複数の永久磁石が所定の角度をなし
て設けられた回転体を有する光磁気デイスク駆動
装置において、前記回転体と対向する一方の側お
よび他方の側に前記回転体に対して同一の磁極を
同時に発生する複数の電磁石が配置されているこ
とを特徴とする光磁気デイスク駆動装置。[Claims for Utility Model Registration] 1. A plurality of permanent magnets having rotational axes in the radial direction of the magneto-optical disk medium and providing opposite magnetic poles to the magneto-optical disk medium are provided at a predetermined angle. In a magneto-optical disk drive device having a rotating body, a biasing means that constantly biases the rotary body in a predetermined rotational direction, and a direction of rotation by the biasing means that cooperates with the permanent magnet when energized are provided. What is claimed is: 1. A magneto-optical disk drive device comprising: an electromagnet disposed at a position facing the rotating body so as to rotate the rotating body in the opposite direction. 2. A magneto-optical disk drive having a rotating body having a rotational axis in the radial direction of the magneto-optical disk medium, and in which a plurality of permanent magnets that provide mutually opposite polarities to the magneto-optical disk medium are provided at a predetermined angle. 1. A magneto-optical disk drive device, characterized in that a plurality of electromagnets that simultaneously generate the same magnetic pole with respect to the rotating body are arranged on one side and the other side facing the rotating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015289U JPH032401U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015289U JPH032401U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032401U true JPH032401U (en) | 1991-01-11 |
Family
ID=31587265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6015289U Pending JPH032401U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032401U (en) |
-
1989
- 1989-05-24 JP JP6015289U patent/JPH032401U/ja active Pending
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