DE69313512T2 - Schaltung zur Schleifenverstärkungsänderung für Spindelservo - Google Patents

Schaltung zur Schleifenverstärkungsänderung für Spindelservo

Info

Publication number
DE69313512T2
DE69313512T2 DE69313512T DE69313512T DE69313512T2 DE 69313512 T2 DE69313512 T2 DE 69313512T2 DE 69313512 T DE69313512 T DE 69313512T DE 69313512 T DE69313512 T DE 69313512T DE 69313512 T2 DE69313512 T2 DE 69313512T2
Authority
DE
Germany
Prior art keywords
circuit
loop gain
gain change
spindle servo
servo
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.)
Expired - Fee Related
Application number
DE69313512T
Other languages
English (en)
Other versions
DE69313512D1 (de
Inventor
Ryo Ando
Kazuhiko Fujiie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 by Sony Corp filed Critical Sony Corp
Publication of DE69313512D1 publication Critical patent/DE69313512D1/de
Application granted granted Critical
Publication of DE69313512T2 publication Critical patent/DE69313512T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/22—Controlling the speed digitally using a reference oscillator, a speed proportional pulse rate feedback and a digital comparator
DE69313512T 1992-05-22 1993-05-12 Schaltung zur Schleifenverstärkungsänderung für Spindelservo Expired - Fee Related DE69313512T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4130986A JPH05325403A (ja) 1992-05-22 1992-05-22 スピンドルサーボ回路

Publications (2)

Publication Number Publication Date
DE69313512D1 DE69313512D1 (de) 1997-10-09
DE69313512T2 true DE69313512T2 (de) 1998-01-08

Family

ID=15047249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69313512T Expired - Fee Related DE69313512T2 (de) 1992-05-22 1993-05-12 Schaltung zur Schleifenverstärkungsänderung für Spindelservo

Country Status (4)

Country Link
US (1) US5432766A (de)
EP (1) EP0570834B1 (de)
JP (1) JPH05325403A (de)
DE (1) DE69313512T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0143529B1 (ko) * 1994-06-22 1998-07-15 김광호 디스크 회전 제어 장치 및 방법
KR0129245B1 (ko) * 1994-07-14 1998-04-18 구자홍 씨디-롬 드라이브의 스핀들 모터 제어 회로 및 그 방법
BE1008963A3 (nl) * 1994-11-18 1996-10-01 Philips Electronics Nv Schijfvormige registratiedrager, alsmede opteken- en/of uitleesinrichting voor optekening/uitlezing van informatie op/van de registratiedrager.
JP3477941B2 (ja) * 1994-11-25 2003-12-10 ソニー株式会社 ディスク再生装置の信号処理回路
EP0768660B1 (de) 1995-03-08 2004-01-07 Matsushita Electric Industrial Co., Ltd. Vorrichung und verfahren zur datenwiedergabe einer platte, plattendrehzahlsteuerungsanordnung und wiedergabetaktgeneratorvorrichung
KR100329151B1 (ko) * 1995-04-27 2002-11-29 삼성전자 주식회사 디스크구동기록장치의스핀들모터구동제어회로
JP3631311B2 (ja) * 1995-12-15 2005-03-23 富士通株式会社 光ディスク装置
JP3889457B2 (ja) * 1996-03-13 2007-03-07 パイオニア株式会社 回転制御装置及び回転制御方法
US5946279A (en) * 1996-04-30 1999-08-31 Mitsumi Electric Co., Ltd. Servo circuit, digital PLL circuit and optical disk device
KR980004705A (ko) * 1996-06-28 1998-03-30 김광호 씨디-롬 드라이브에서의 스핀들 모터 회전속도 제어방법 및 그 장치
KR100468682B1 (ko) * 1997-08-25 2005-04-06 삼성전자주식회사 스핀들 모터 제어장치
JP3669839B2 (ja) * 1998-04-24 2005-07-13 三星電子株式会社 ディスクドライブのリードリトライ方法
US6157604A (en) * 1998-05-18 2000-12-05 Cirrus Logic, Inc. Sampled amplitude read channel employing a baud rate estimator for digital timing recovery in an optical disk storage device
KR20000008997A (ko) * 1998-07-20 2000-02-15 윤종용 스핀들 모터 제어장치
US7375923B2 (en) * 2005-05-31 2008-05-20 Seagate Technology Llc High speed and high capacity data storage array
US8737008B1 (en) 2011-05-12 2014-05-27 Western Digital Technologies, Inc. Disk drive adjusting gain of spindle motor compensator based on a ratio of spin speeds
US8649121B1 (en) 2012-03-28 2014-02-11 Western Digital Technologies, Inc. Disk drive tuning speed control loop for a spindle motor
US20140320998A1 (en) 2013-04-24 2014-10-30 Western Digital Technologies, Inc. Disk drive with improved spin-up control
US9230592B1 (en) 2014-12-23 2016-01-05 Western Digital Technologies, Inc. Electronic system with a method of motor spindle bandwidth estimation and calibration thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671856A (en) * 1979-11-15 1981-06-15 Sony Corp Playback device of disc
EP0096162B1 (de) * 1982-06-15 1986-06-18 Kabushiki Kaisha Toshiba Schalteinrichtung zur Steuerung des Motors eines Datenwiedergabegeräts
US4485337A (en) * 1983-05-09 1984-11-27 Control Data Corporation Servo data driven motor speed control
DE3532823A1 (de) * 1984-09-14 1986-03-27 Pioneer Electronic Corp., Tokio/Tokyo Aufzeichnungsplatten-datenwiedergabevorrichtung
US5289451A (en) * 1984-11-29 1994-02-22 Canon Kabushiki Kaisha Optical information recording/reproduction apparatus including means for detecting the type of recording medium
EP0237682B1 (de) * 1985-12-24 1991-02-27 Kabushiki Kaisha Toshiba Steuersystem für ein Gerät zur Wiedergabe optischer Informationen
JPS62259263A (ja) * 1986-05-06 1987-11-11 Pioneer Electronic Corp スピンドルサ−ボ引込み方法及びその装置
JPS63135553U (de) * 1987-02-26 1988-09-06
JPH06101197B2 (ja) * 1988-10-12 1994-12-12 パイオニア株式会社 Ｃｌｖディスク駆動用スピンドルサーボループのループゲイン制御方法
JPH0756730B2 (ja) * 1989-12-28 1995-06-14 パイオニア株式会社 スピンドルサーボ回路
JP2542097B2 (ja) * 1990-01-16 1996-10-09 パイオニア株式会社 クロック生成用ｐｌｌ回路を含む読取線速度可変型ディスク記録情報再生装置
JP2926900B2 (ja) * 1990-06-01 1999-07-28 ソニー株式会社 ディスク再生装置
EP0525809B1 (de) * 1991-08-02 2001-12-05 Sony Corporation Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung

Also Published As

Publication number Publication date
US5432766A (en) 1995-07-11
EP0570834B1 (de) 1997-09-03
JPH05325403A (ja) 1993-12-10
EP0570834A1 (de) 1993-11-24
DE69313512D1 (de) 1997-10-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee