JPH0340653U - - Google Patents

Info

Publication number
JPH0340653U
JPH0340653U JP10047589U JP10047589U JPH0340653U JP H0340653 U JPH0340653 U JP H0340653U JP 10047589 U JP10047589 U JP 10047589U JP 10047589 U JP10047589 U JP 10047589U JP H0340653 U JPH0340653 U JP H0340653U
Authority
JP
Japan
Prior art keywords
rotational speed
disk
turntable
drive device
voltage
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
Application number
JP10047589U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10047589U priority Critical patent/JPH0340653U/ja
Publication of JPH0340653U publication Critical patent/JPH0340653U/ja
Pending legal-status Critical Current

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  • Rotational Drive Of Disk (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例の構成を示すブロ
ツク図。 １……デイスク、２……ターンテーブル、３…
…デイスクモータ、４……回転数検出器、５……
ドライブ回路、６……デイスクモータ回転制御回
路、７……回転数計測器、８……システムコント
ローラ、９……信号処理回路、１０……ピツクア
ツプ制御回路、１１……ピツクアツプ。 FIG. 1 is a block diagram showing the configuration of an embodiment of this invention. 1...disc, 2...turntable, 3...
...Disk motor, 4... Rotation speed detector, 5...
Drive circuit, 6... Disk motor rotation control circuit, 7... Rotation speed measuring device, 8... System controller, 9... Signal processing circuit, 10... Pick up control circuit, 11... Pick up.

Claims (1)

【実用新案登録請求の範囲】 (1) デイスクをクランプするターンテーブルを
回転駆動するデイスクモータと、デイスクモータ
の回転を制御する制御回路とからなるデイスク駆
動装置において、デイスクモータに予め設定した
電圧を印加して起動させる起動手段と、起動手段
による電圧印加後予め設定した期間経過時にター
ンテーブルの回転速度を計測する回転速度計測手
段と、回転速度計測手段による計測回転速度に応
じて制御回転の補償特性を変更する補償特性変更
手段とを備えたことを特徴とするデイスク駆動装
置。 (2) デイスクモータの回転を減速または停止さ
せるときに計測回転速度に応じて加えるブレーキ
電圧の印加期間を変更する印加期間変更手段を設
けた請求項第１項のデイスク駆動装置。[Claims for Utility Model Registration] (1) In a disk drive device consisting of a disk motor that rotationally drives a turntable that clamps the disk, and a control circuit that controls the rotation of the disk motor, a preset voltage is applied to the disk motor. A starting means for starting the turntable by applying voltage, a rotational speed measuring means for measuring the rotational speed of the turntable when a preset period has elapsed after the application of voltage by the starting means, and compensation for controlled rotation according to the rotational speed measured by the rotational speed measuring means. 1. A disk drive device comprising compensation characteristic changing means for changing characteristics. (2) The disk drive device according to claim 1, further comprising application period changing means for changing the application period of the brake voltage applied in accordance with the measured rotational speed when decelerating or stopping the rotation of the disk motor.
JP10047589U 1989-08-30 1989-08-30 Pending JPH0340653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10047589U JPH0340653U (en) 1989-08-30 1989-08-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10047589U JPH0340653U (en) 1989-08-30 1989-08-30

Publications (1)

Publication Number Publication Date
JPH0340653U true JPH0340653U (en) 1991-04-18

Family

ID=31649482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10047589U Pending JPH0340653U (en) 1989-08-30 1989-08-30

Country Status (1)

Country Link
JP (1) JPH0340653U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6469278A (en) * 1987-09-07 1989-03-15 Sanyo Electric Co Method of stopping rotor
JPH0198161A (en) * 1987-10-09 1989-04-17 Matsushita Electric Ind Co Ltd Information reproducing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6469278A (en) * 1987-09-07 1989-03-15 Sanyo Electric Co Method of stopping rotor
JPH0198161A (en) * 1987-10-09 1989-04-17 Matsushita Electric Ind Co Ltd Information reproducing device

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