JPS6442503U - - Google Patents
Info
- Publication number
- JPS6442503U JPS6442503U JP13717287U JP13717287U JPS6442503U JP S6442503 U JPS6442503 U JP S6442503U JP 13717287 U JP13717287 U JP 13717287U JP 13717287 U JP13717287 U JP 13717287U JP S6442503 U JPS6442503 U JP S6442503U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- recordable optical
- magnet
- magnetic field
- rotation
- 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 20
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Description
第１図は本考案に係る記録型光デイスクに対す
る磁界印加装置の構成及び本考案に係る記録型光
デイスクに対する磁界印加装置が適用される記録
型光デイスク装置における配設状態を示す斜視図
であり、第２図は上記記録型光デイスクに対する
磁界印加装置の構成及び上記記録型光デイスク装
置における配設状態を概略的に示す側面図であり
、第３図は上記記録型光デイスクに対する磁界印
加装置の第１及び第２のコイルに供給される電流
と磁界検出手段の出力及び記録型光デイスクに対
して印加する磁界強度と上記記録型光デイスク装
置の光学ピツクアツプ装置の発するレーザビーム
の強度の変化を示す波形図であり、第４図は上記
記録型光デイスクに対する磁界印加装置の磁石の
回転状態を説明する模式図であり、第５図は上記
磁石に加えられる上記第１及び第２のコイルによ
る駆動力を示すグラフである。第６図は従来の記
録型光デイスクに対する磁界印加装置の構成及び
従来の記録型光デイスクに対する磁界印加装置が
適用される記録型光デイスク装置における配設状
態を概略的に示す側面図であり、第７図は従来の
記録型光デイスクに対する磁界印加装置の磁石の
回転状態を説明する模式図であり、第８図は従来
の記録型光デイスクに対する磁界印加装置の磁石
に加えられる駆動力を示すグラフである。
１……磁石、２……第１のコイル、３……第２
のコイル、４……支軸、１０１……記録膜、１０
２……記録型光デイスク、１０３……光学ピツク
アツプ装置。
FIG. 1 is a perspective view showing the configuration of a magnetic field applying device for a recordable optical disk according to the present invention and the arrangement state in a recordable optical disk device to which the magnetic field applying device for a recordable optical disk according to the present invention is applied. , FIG. 2 is a side view schematically showing the structure of the magnetic field application device for the recordable optical disk and its arrangement in the recordable optical disk device, and FIG. 3 is a side view schematically showing the configuration of the magnetic field application device for the recordable optical disk. Changes in the current supplied to the first and second coils, the output of the magnetic field detection means, the magnetic field intensity applied to the recordable optical disk, and the intensity of the laser beam emitted by the optical pickup device of the recordable optical disk device. FIG. 4 is a schematic diagram illustrating the rotation state of the magnet of the magnetic field application device for the recordable optical disk, and FIG. It is a graph showing the driving force due to. FIG. 6 is a side view schematically showing the configuration of a conventional magnetic field application device for a recordable optical disk and the arrangement state in a recordable optical disk device to which the conventional magnetic field apply device for a recordable optical disk is applied; FIG. 7 is a schematic diagram illustrating the rotation state of the magnet of the magnetic field application device for a conventional recordable optical disk, and FIG. 8 shows the driving force applied to the magnet of the magnetic field application device for the conventional recordable optical disk. It is a graph. 1... Magnet, 2... First coil, 3... Second
Coil, 4... Support shaft, 101... Recording film, 10
2... Recordable optical disk, 103... Optical pickup device.
Claims (1)
イスク面に平行な軸を中心に回転自在に支持され
る磁石と、 上記磁石の回転中心軸を中心にして対称な位置
に並列に配設されるとともに上記磁石の回転を制
御する駆動電流が供給される第１及び第２のコイ
ルとを設けてなる記録型光デイスクに対する磁界
印加装置。[Claims for Utility Model Registration] A magnet that faces the surface of a recordable optical disk and is rotatably supported around an axis parallel to the surface of the recordable optical disk, and that is symmetrical about the central axis of rotation of the magnet. A magnetic field applying device for a recording type optical disk, comprising first and second coils which are arranged in parallel at the same positions and to which a drive current for controlling the rotation of the magnet is supplied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13717287U JPS6442503U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13717287U JPS6442503U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442503U true JPS6442503U (en) | 1989-03-14 |
Family
ID=31398356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13717287U Pending JPS6442503U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06735U (en) * | 1992-06-11 | 1994-01-11 | 本州製紙株式会社 | Assembly equipment for paper pallets |
-
1987
- 1987-09-08 JP JP13717287U patent/JPS6442503U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06735U (en) * | 1992-06-11 | 1994-01-11 | 本州製紙株式会社 | Assembly equipment for paper pallets |
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