JPS6317589U - - Google Patents
Info
- Publication number
- JPS6317589U JPS6317589U JP11015886U JP11015886U JPS6317589U JP S6317589 U JPS6317589 U JP S6317589U JP 11015886 U JP11015886 U JP 11015886U JP 11015886 U JP11015886 U JP 11015886U JP S6317589 U JPS6317589 U JP S6317589U
- Authority
- JP
- Japan
- Prior art keywords
- spindle motor
- magnetic head
- recording medium
- detecting
- head
- 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
- 238000004804 winding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図、第２図、第３図は各々、本実施例によるス
ピンドルモータの概略構成を示す下面図及び半断
面図、第４図、第５図は本実施例の動作を説明す
るためのタイミングチヤートである。
５，６，７……ホールＩＣ（検出手段）、１３
……リレー（ブレーキ手段）、１４……エツヂカ
ウンタ回路、１５，１６……Ｄフリツプフロツプ
、１７……ノア回路、１８……切換スイツチ、１
９……トランジスタ。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIGS. 2 and 3 are a bottom view and a half sectional view, respectively, showing the schematic structure of a spindle motor according to this embodiment, and FIGS. FIG. 5 is a timing chart for explaining the operation of this embodiment. 5, 6, 7... Hall IC (detection means), 13
... Relay (braking means), 14 ... Edge counter circuit, 15, 16 ... D flip-flop, 17 ... NOR circuit, 18 ... Changeover switch, 1
9...Transistor.
Claims (1)
ドモータと、前記磁気ヘツドにより情報の書込み
及び読出しが行なわれる記録媒体と、該記録媒体
の回転を行うスピンドルモータとを具備してなる
コンピユータ補助記憶装置において、前記スピン
ドルモータの回転方向を検出する検出手段と、前
記スピンドルモータが逆回転した時、前記スピン
ドルモータの巻線を短絡するブレーキ手段とを具
備してなるスピンドルモータ制御回路。 A computer auxiliary storage device comprising a magnetic head, a head motor for moving the magnetic head, a recording medium on which information is written and read by the magnetic head, and a spindle motor for rotating the recording medium. . A spindle motor control circuit comprising: detecting means for detecting the rotational direction of the spindle motor; and braking means for short-circuiting windings of the spindle motor when the spindle motor rotates in reverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11015886U JPS6317589U (en) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11015886U JPS6317589U (en) | 1986-07-18 | 1986-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6317589U true JPS6317589U (en) | 1988-02-05 |
Family
ID=30988921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11015886U Pending JPS6317589U (en) | 1986-07-18 | 1986-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6317589U (en) |
-
1986
- 1986-07-18 JP JP11015886U patent/JPS6317589U/ja active Pending
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