JPS61182918U - - Google Patents
Info
- Publication number
- JPS61182918U JPS61182918U JP6373485U JP6373485U JPS61182918U JP S61182918 U JPS61182918 U JP S61182918U JP 6373485 U JP6373485 U JP 6373485U JP 6373485 U JP6373485 U JP 6373485U JP S61182918 U JPS61182918 U JP S61182918U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- recording medium
- auxiliary magnetic
- auxiliary
- distance
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
第１図はこの考案の補助磁極制御装置の実施例
に係るシステム構成図、第２図はこの考案の他の
実施例を示すシステム構成図である。
１……主磁極ヘツド、２……磁気記録媒体、３
……補助磁極、４……圧電アクチユエータ、５…
…距離検出器、６……サーボアンプ、７……ドラ
イブアンプ。
FIG. 1 is a system configuration diagram of an embodiment of the auxiliary magnetic pole control device of this invention, and FIG. 2 is a system configuration diagram showing another embodiment of this invention. 1...Main magnetic pole head, 2...Magnetic recording medium, 3
...Auxiliary magnetic pole, 4...Piezoelectric actuator, 5...
... Distance detector, 6... Servo amplifier, 7... Drive amplifier.
Claims (1)
主磁極を配置し、この主磁極と向い合う裏面に補
助磁極を配置して記録再生を行なう垂直磁気記録
再生装置において、前記補助磁極と前記磁気記録
媒体間の距離の変化を検出する距離検出器と、こ
の検出器の出力に従つて制御信号を発生する制御
信号発生回路と、前記制御信号に応答して前記磁
気記録媒体と前記補助磁極間の距離を所定の値に
なるように前記補助磁極の位置を移動させるアク
チユエータとを備えたことを特徴とする補助磁極
制御装置。 In a perpendicular magnetic recording and reproducing apparatus that performs recording and reproduction by arranging a main magnetic pole on the surface of a sheet-like or tape-like magnetic recording medium and arranging an auxiliary magnetic pole on the back surface facing the main magnetic pole, the auxiliary magnetic pole and the magnetic recording medium are provided. a distance detector that detects changes in the distance between the magnetic recording medium and the auxiliary magnetic pole; a control signal generation circuit that generates a control signal according to the output of the detector; and a distance detector that detects a change in the distance between the magnetic recording medium and the auxiliary magnetic pole in response to the control signal. an actuator for moving the position of the auxiliary magnetic pole so that the auxiliary magnetic pole becomes a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6373485U JPS61182918U (en) | 1985-04-29 | 1985-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6373485U JPS61182918U (en) | 1985-04-29 | 1985-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61182918U true JPS61182918U (en) | 1986-11-14 |
Family
ID=30594164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6373485U Pending JPS61182918U (en) | 1985-04-29 | 1985-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61182918U (en) |
-
1985
- 1985-04-29 JP JP6373485U patent/JPS61182918U/ja active Pending