JPH0276369U - - Google Patents
Info
- Publication number
- JPH0276369U JPH0276369U JP15409488U JP15409488U JPH0276369U JP H0276369 U JPH0276369 U JP H0276369U JP 15409488 U JP15409488 U JP 15409488U JP 15409488 U JP15409488 U JP 15409488U JP H0276369 U JPH0276369 U JP H0276369U
- Authority
- JP
- Japan
- Prior art keywords
- pickup
- control device
- drive control
- acceleration
- disk
- 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
- 230000001133 acceleration Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例を示す回路ブロツク
構成図、第２図は第１図の実施例の要部の具体的
な回路構成例を示す回路図、第３図は前記実施例
の動作を示す主要信号のタイムチヤート、第４図
は光ピツクアツプの一例を示す構成図、第５図は
高速フイード時における光ピツクアツプの偏移状
態を示す説明図である。
１０……光ピツクアツプ、１２……デイテクタ
、１４……―変換器、１６……位相補償アン
プ、１８，４２……ループスイツチ、２０，２２
，３２，４０，４４……加算器、２４……トラツ
キングドライブアンプ、２６……位置検出器、２
８，３０……微分器、３４……スイツチ、３６…
…トラツキング駆動コイル、３８……位相補償回
路、４６……アンプ、４８……フイードドライブ
アンプ、５０……フイードドライブコイル、５１
……対物レンズ。
FIG. 1 is a circuit block configuration diagram showing one embodiment of the present invention, FIG. 2 is a circuit diagram showing a specific circuit configuration example of the main part of the embodiment shown in FIG. 1, and FIG. FIG. 4 is a configuration diagram showing an example of the optical pickup, and FIG. 5 is an explanatory diagram showing the shift state of the optical pickup during high-speed feed. 10... Optical pickup, 12... Detector, 14...-Converter, 16... Phase compensation amplifier, 18, 42... Loop switch, 20, 22
, 32, 40, 44... Adder, 24... Tracking drive amplifier, 26... Position detector, 2
8, 30... Differentiator, 34... Switch, 36...
... Tracking drive coil, 38 ... Phase compensation circuit, 46 ... Amplifier, 48 ... Feed drive amplifier, 50 ... Feed drive coil, 51
...Objective lens.
Claims (1)
行なわれ、トラツキング機構によつてデイスクの
トラツクに対するトラツキングが行なわれるピツ
クアツプの駆動制御装置において、 前記フイード機構による前記ピツクアツプのフ
イード時における加速度を検出する加速度検出手
段と、これによつて検出された加速度に対応して
前記トラツキング機構を駆動する駆動手段とを備
えたことを特徴とするピツクアツプ駆動制御装置
。[Claims for Utility Model Registration] In a drive control device for a pick-up, in which a feed mechanism moves the pickup with respect to the disk, and a tracking mechanism tracks the disk, the drive control device provides a method for controlling the pickup when the feed mechanism is feeding the pickup. A pickup drive control device comprising an acceleration detection means for detecting acceleration, and a drive means for driving the tracking mechanism in response to the acceleration detected by the acceleration detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15409488U JPH0276369U (en) | 1988-11-26 | 1988-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15409488U JPH0276369U (en) | 1988-11-26 | 1988-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0276369U true JPH0276369U (en) | 1990-06-12 |
Family
ID=31430519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15409488U Pending JPH0276369U (en) | 1988-11-26 | 1988-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0276369U (en) |
-
1988
- 1988-11-26 JP JP15409488U patent/JPH0276369U/ja active Pending
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