JPS6277469U - - Google Patents
Info
- Publication number
- JPS6277469U JPS6277469U JP16805085U JP16805085U JPS6277469U JP S6277469 U JPS6277469 U JP S6277469U JP 16805085 U JP16805085 U JP 16805085U JP 16805085 U JP16805085 U JP 16805085U JP S6277469 U JPS6277469 U JP S6277469U
- Authority
- JP
- Japan
- Prior art keywords
- movable part
- driven
- electromagnetic means
- radial direction
- access
- 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 3
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図はこの考案によるデイスクの構成図、第３図
はこの考案の具体的回路構成の一例を示すブロツ
ク図、第４図は第３図の動作説明に供するための
フローチヤートである。
１はスピンドルモータ、２はデイスク、３は固
定部、４は第１の可動部、５は第２の可動部、６
は光学ヘツド、７は光学ヘツドトラツキングサー
ボ回路、８は高速アクセスサーボ回路、９は低速
アクセスサーボ回路、１０はマイクロコンピユー
タ、１１はスピンドルサーボ回路、１２はホスト
コンピユータ及びコントローラである。
FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a block diagram of a disk according to this invention, FIG. 3 is a block diagram showing an example of a specific circuit configuration of this invention, and FIG. 3 is a flowchart for explaining the operation of FIG. 3. 1 is a spindle motor, 2 is a disk, 3 is a fixed part, 4 is a first movable part, 5 is a second movable part, 6
7 is an optical head tracking servo circuit, 8 is a high-speed access servo circuit, 9 is a low-speed access servo circuit, 10 is a microcomputer, 11 is a spindle servo circuit, and 12 is a host computer and controller.
Claims (1)
第１の電磁手段によつて駆動される第１の可動部
と、該第１の可動部に対して第２の電磁手段によ
つて上記ラジアル方向に駆動される第２の可動部
と、該第２の可動部に対して第３の電磁手段によ
つて上記ラジアル方向に駆動される第３の可動部
を有するピツクアツプを備え、上記第１の可動部
と第２の可動部と第３の可動部の可動距離を順次
小となし、アクセス時の必要とされる移動距離が
大きいとき、上記第１の可動部を上記第１の電磁
手段で駆動せしめた後、上記第２の可動部を上記
第２の電磁手段で駆動せしめ、その後上記第３の
可動部を上記第３の電磁手段で駆動せしめて所望
のトラツクをアクセスするようになしたデイスク
記録再生装置。 a first movable part driven by a first electromagnetic means in a radial direction of the disk; and a first movable part driven in the radial direction by a second electromagnetic means. and a third movable part driven in the radial direction by a third electromagnetic means with respect to the second movable part, The movable distances of the second movable part and the third movable part are made smaller in sequence, and when the movement distance required for access is large, the first movable part is driven by the first electromagnetic means. After that, the second movable part is driven by the second electromagnetic means, and then the third movable part is driven by the third electromagnetic means to access a desired track. playback device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16805085U JPS6277469U (en) | 1985-10-31 | 1985-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16805085U JPS6277469U (en) | 1985-10-31 | 1985-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277469U true JPS6277469U (en) | 1987-05-18 |
Family
ID=31100562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16805085U Pending JPS6277469U (en) | 1985-10-31 | 1985-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277469U (en) |
-
1985
- 1985-10-31 JP JP16805085U patent/JPS6277469U/ja active Pending
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