JPS6456003U - - Google Patents
Info
- Publication number
- JPS6456003U JPS6456003U JP14940287U JP14940287U JPS6456003U JP S6456003 U JPS6456003 U JP S6456003U JP 14940287 U JP14940287 U JP 14940287U JP 14940287 U JP14940287 U JP 14940287U JP S6456003 U JPS6456003 U JP S6456003U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- magnetic field
- optical disk
- head
- erasing
- 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 2
- 230000005415 magnetization Effects 0.000 description 2
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図はこの考案の一実施例による外部磁界装
置を示す斜視図、第２図は第１図―線断面図
、第３図は第１図Ｊ―Ｊ線断面図、第４図は従来
の外部磁界装置を示す斜視図、第５図は第４図Ｇ
―Ｇ線断面図、第６図は第４図Ｈ―Ｈ線断面図、
第７図は光磁気デイスクの初期着磁方向を示す図
、第８図は光磁気デイスクの記録後の着磁方向を
示す図である。
１……デイスク、５……消去ヘツド、６……記
録ヘツド、１１……マグネツト、１２，１３……
ヨーク。なお、図中同一符号は同一または相当部
分を示す。
Fig. 1 is a perspective view showing an external magnetic field device according to an embodiment of the invention, Fig. 2 is a sectional view taken along the line of Fig. 1, Fig. 3 is a sectional view taken along the line J--J of Fig. 1, and Fig. 4 is a conventional A perspective view showing the external magnetic field device of FIG.
-G line sectional view, Figure 6 is Figure 4 H-H line sectional view,
FIG. 7 is a diagram showing the initial magnetization direction of the magneto-optical disk, and FIG. 8 is a diagram showing the magnetization direction of the magneto-optical disk after recording. 1... Disk, 5... Erasing head, 6... Recording head, 11... Magnet, 12, 13...
yoke. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
て情報の記録を行う記録ヘツドと、前記光磁気デ
イスクの情報の消去を行う消去ヘツドとを備え、
前記記録ヘツドおよび消去ヘツドに対して磁界を
発生させる外部磁界装置において、マグネツトの
Ｎ極側とＳ極側にそれぞれヨークを取付け、一方
のヨークの端部を前記消去ヘツドの移動領域に対
向する位置に、他方のヨークの端部を前記記録ヘ
ツドの移動領域に対向する位置に配設したことを
特徴とする外部磁界装置。 comprising a magneto-optical disk, a recording head for recording information on the magneto-optical disk, and an erasing head for erasing information on the magneto-optical disk,
In the external magnetic field device that generates a magnetic field for the recording head and the erasing head, yokes are attached to the N-pole side and the S-pole side of the magnet, respectively, and the end of one yoke is located at a position facing the moving area of the erasing head. An external magnetic field device characterized in that an end of the other yoke is disposed at a position facing the moving area of the recording head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14940287U JPS6456003U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14940287U JPS6456003U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6456003U true JPS6456003U (en) | 1989-04-06 |
Family
ID=31421599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14940287U Pending JPS6456003U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6456003U (en) |
-
1987
- 1987-09-29 JP JP14940287U patent/JPS6456003U/ja active Pending