JPH0289675U - - Google Patents
Info
- Publication number
- JPH0289675U JPH0289675U JP16628688U JP16628688U JPH0289675U JP H0289675 U JPH0289675 U JP H0289675U JP 16628688 U JP16628688 U JP 16628688U JP 16628688 U JP16628688 U JP 16628688U JP H0289675 U JPH0289675 U JP H0289675U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- control circuit
- spindle motor
- rotation
- vibration
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図は本考案の一実施例による磁気デイスク
装置における磁気デイスクと磁気ヘツドと駆動回
路接続構成を示すブロツク図、第２図は本実施例
における磁気デイスクと磁気ヘツドとの相対関係
を示す詳細部分図、第３図は本実施例の動作説明
図である。
１０…磁気デイスク組立、１１…磁気デイスク
、２０…ポジシヨナ、２１…磁気ヘツドコア、２
２…ヘツド負荷バネ、２３…ヘツドアーム、３０
…スピンドルモータ、４０…スピンドルモータ駆
動回路、４１…パワーアンプ、４２…振動制御回
路、４３…回転制御回路、５０…シーケンス制御
回路、６０…ポジシヨナサーボ回路。
FIG. 1 is a block diagram showing the connection configuration of a magnetic disk, a magnetic head, and a drive circuit in a magnetic disk device according to an embodiment of the present invention, and FIG. 2 is a detailed diagram showing the relative relationship between the magnetic disk and magnetic head in this embodiment. A partial diagram, FIG. 3, is an explanatory diagram of the operation of this embodiment. DESCRIPTION OF SYMBOLS 10... Magnetic disk assembly, 11... Magnetic disk, 20... Positioner, 21... Magnetic head core, 2
2...Head load spring, 23...Head arm, 30
... spindle motor, 40 ... spindle motor drive circuit, 41 ... power amplifier, 42 ... vibration control circuit, 43 ... rotation control circuit, 50 ... sequence control circuit, 60 ... positioner servo circuit.
Claims (1)
によつて支持される磁気ヘツドを有する磁気デイ
スク組立がスピンドルモータによつて回転駆動さ
れる磁気デイスク装置において、 前記スピンドルモータに接続されたパワーアン
プと、前記パワーアンプに接続され前記スピンド
ルモータに任意の微少角振動を行なわせる振動入
力を注入する振動制御回路と、 前記パワーアンプに接続され前記スピンドルモ
ータを定常回転駆動する回転入力を注入する回転
制御回路と、 前記振動制御回路および回転制御回路に接続さ
れそれぞれ当該磁気デイスク装置のスピンドルモ
ータ起動シーケンスにおいて回路機能動作のオン
オフ制御を行なうシーケンス制御回路とを有する
ことを特徴とする磁気デイスク装置。[Claims for Utility Model Registration] In a magnetic disk device in which a magnetic disk assembly having a magnetic head positioned on the surface of the magnetic disk and supported by a positioner is rotationally driven by a spindle motor, the magnetic disk assembly is connected to the spindle motor. a vibration control circuit that is connected to the power amplifier and injects a vibration input that causes the spindle motor to perform arbitrary minute angular vibrations; and a vibration control circuit that is connected to the power amplifier and injects a rotation input that drives the spindle motor in steady rotation. A magnetic disk characterized in that it has a rotation control circuit for injection, and a sequence control circuit that is connected to the vibration control circuit and the rotation control circuit, respectively, and performs on/off control of circuit function operation in the spindle motor startup sequence of the magnetic disk device. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166286U JPH073514Y2 (en) | 1988-12-21 | 1988-12-21 | Magnetic disk unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166286U JPH073514Y2 (en) | 1988-12-21 | 1988-12-21 | Magnetic disk unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0289675U true JPH0289675U (en) | 1990-07-16 |
| JPH073514Y2 JPH073514Y2 (en) | 1995-01-30 |
Family
ID=31453537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988166286U Expired - Lifetime JPH073514Y2 (en) | 1988-12-21 | 1988-12-21 | Magnetic disk unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073514Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5423511A (en) * | 1977-07-25 | 1979-02-22 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disc apparatus |
-
1988
- 1988-12-21 JP JP1988166286U patent/JPH073514Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5423511A (en) * | 1977-07-25 | 1979-02-22 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disc apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073514Y2 (en) | 1995-01-30 |
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