JPH0454007U - - Google Patents
Info
- Publication number
- JPH0454007U JPH0454007U JP9560590U JP9560590U JPH0454007U JP H0454007 U JPH0454007 U JP H0454007U JP 9560590 U JP9560590 U JP 9560590U JP 9560590 U JP9560590 U JP 9560590U JP H0454007 U JPH0454007 U JP H0454007U
- Authority
- JP
- Japan
- Prior art keywords
- core
- coil
- read
- write
- erase
- 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
- 230000004907 flux Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図及び第２図はこの考案による磁気ヘツド
のコア装置の一実施例を示す模式図、第２図はラ
イト電流の波形図、第３図及び第４図は従来の磁
気ヘツドのコア装置を示す図で、第３図は模式図
、第４図はライト電流の波形図である。
図中、３はリード／ライトコイル、４はイレー
ズコイル、８はセンタコア、９はリード／ライト
コア、１０はイレーズコア、１１はキヤンセルコ
イル、１２はキヤンセル電流、Φｅ２は漏れ磁束
である。なお、図中同一符号は同一部分を示す。
1 and 2 are schematic diagrams showing an embodiment of the magnetic head core device according to this invention, FIG. 2 is a waveform diagram of the write current, and FIGS. 3 and 4 are conventional magnetic head core devices. 3 is a schematic diagram, and FIG. 4 is a waveform diagram of the write current. In the figure, 3 is a read/write coil, 4 is an erase coil, 8 is a center core, 9 is a read/write core, 10 is an erase core, 11 is a cancel coil, 12 is a cancel current, and Φe 2 is a leakage magnetic flux. Note that the same reference numerals in the figures indicate the same parts.
Claims (1)
イル及びイレーズコイルが巻回されたリード／ラ
イトコア及びイレーズコアからなるものにおいて
、上記リード／ライトコアに上記イレーズコイル
からの漏れ磁束を打ち消す電流を流すキヤンセル
コイルを設けたことを特徴とする磁気ヘツドのコ
ア装置。 In a read/write core and an erase core that share a center core and are each wound with a read/write coil and an erase coil, the read/write core is provided with a cancel coil that flows a current to cancel leakage magnetic flux from the erase coil. A magnetic head core device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9560590U JPH0454007U (en) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9560590U JPH0454007U (en) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454007U true JPH0454007U (en) | 1992-05-08 |
Family
ID=31834440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9560590U Pending JPH0454007U (en) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454007U (en) |
-
1990
- 1990-09-13 JP JP9560590U patent/JPH0454007U/ja active Pending
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