DE68922209D1 - Servosystem für einen Plattenspieler. - Google Patents

Servosystem für einen Plattenspieler.

Info

Publication number
DE68922209D1
DE68922209D1 DE68922209T DE68922209T DE68922209D1 DE 68922209 D1 DE68922209 D1 DE 68922209D1 DE 68922209 T DE68922209 T DE 68922209T DE 68922209 T DE68922209 T DE 68922209T DE 68922209 D1 DE68922209 D1 DE 68922209D1
Authority
DE
Germany
Prior art keywords
turntable
servo system
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
DE68922209T
Other languages
English (en)
Other versions
DE68922209T2 (de
Inventor
Noriyoshi C O Pioneer T Takeya
Hidehiro C O Pioneer Tok Ishii
Chiharu C O Pioneer Toko Miura
Tatsuya C O Pioneer Tok Fukuda
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE68922209D1 publication Critical patent/DE68922209D1/de
Application granted granted Critical
Publication of DE68922209T2 publication Critical patent/DE68922209T2/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
DE68922209T 1989-04-05 1989-12-28 Servosystem für einen Plattenspieler. Expired - Fee Related DE68922209T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1086033A JPH02265025A (ja) 1989-04-05 1989-04-05 サーボループのループゲイン設定方法

Publications (2)

Publication Number Publication Date
DE68922209D1 true DE68922209D1 (de) 1995-05-18
DE68922209T2 DE68922209T2 (de) 1995-08-10

Family

ID=13875355

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922209T Expired - Fee Related DE68922209T2 (de) 1989-04-05 1989-12-28 Servosystem für einen Plattenspieler.

Country Status (4)

Country Link
US (1) US5065386A (de)
EP (1) EP0390977B1 (de)
JP (1) JPH02265025A (de)
DE (1) DE68922209T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229664A (en) * 1991-07-03 1993-07-20 Exar Corporation Programmable differentiator delay
DE69229304T2 (de) * 1991-07-15 2000-02-24 Matsushita Electric Industrial Co., Ltd. Gerät zur Aufzeichnung/Wiedergabe von optischem Information- und Aufzeichnungsmedium
EP0527017B1 (de) * 1991-08-03 1997-03-26 Sony Corporation Magnetisches Wiedergabegerät
JPH0581685A (ja) * 1991-09-24 1993-04-02 Sony Corp 光学式デイスク装置
KR100272118B1 (ko) * 1991-11-06 2000-11-15 이데이 노부유끼 디지탈 서보 제어 회로를 구비한 광디스크 플레이어 및 트래킹 서보 회로
US5347502A (en) * 1991-11-08 1994-09-13 Matsushita Electric Industrial Co., Ltd. Focusing control system for use in an information recording and reproducing apparatus
JPH06243496A (ja) * 1993-02-15 1994-09-02 Toshiba Corp ディスク再生装置及びそのフォーカスバランス自動調整方法及び信号処理装置
KR0132972B1 (ko) * 1994-11-28 1998-04-18 배순훈 광자기디스크의 서보제어장치
JP3092657B2 (ja) * 1996-07-10 2000-09-25 ティアック株式会社 デ−タ再生方法及び装置
DE19638879A1 (de) * 1996-09-23 1998-03-26 Thomson Brandt Gmbh Verfahren zum Verarbeiten der Ausgangssignale eines optoelektronischen Abtasters in einem Wiedergabe- oder Aufzeichnungsgerät und entsprechendes Gerät
DE19715275A1 (de) * 1997-04-12 1998-10-15 Thomson Brandt Gmbh Gerät zum Beschreiben oder Lesen optischer Aufzeichnungsträger
CN1115689C (zh) * 1998-02-26 2003-07-23 联发科技股份有限公司 光盘机最佳聚焦点自动调整装置与方法
DE19824056A1 (de) * 1998-05-29 1999-12-02 Thomson Brandt Gmbh Gerät zur Wiedergabe oder Aufzeichnung von Daten oder Informationen
US6560059B1 (en) 1999-05-07 2003-05-06 Seagate Technology Llc Method and apparatus for suppressing seek-induced vibration in a disc drive
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
JP2002358667A (ja) * 2001-06-01 2002-12-13 Toshiba Corp 光学系駆動装置及び光学系駆動方法
EP1771847A1 (de) * 2004-07-21 2007-04-11 Koninklijke Philips Electronics N.V. Optische plattenvorrichtung zur aufzeichnung und wiedergabe
US7869022B2 (en) 2007-07-18 2011-01-11 Asml Netherlands B.V. Inspection method and apparatus lithographic apparatus, lithographic processing cell, device manufacturing method and distance measuring system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165212A (ja) * 1983-03-08 1984-09-18 Sony Corp 情報信号再生装置
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
JPS60171638A (ja) * 1984-02-16 1985-09-05 Matsushita Electric Ind Co Ltd 情報再生装置
JPS6134769A (ja) * 1984-07-27 1986-02-19 Fuji Photo Film Co Ltd デイスク装置の読出し信号補正装置
JPS62102431A (ja) * 1985-10-30 1987-05-12 Hitachi Ltd デイジタルサ−ボ制御装置
JPS62145538A (ja) * 1985-12-20 1987-06-29 Hitachi Ltd 光デイスクトラツキング方式
JPS62167672A (ja) * 1986-01-20 1987-07-24 Fujitsu Ltd デ−タ読取り方式

Also Published As

Publication number Publication date
EP0390977A3 (de) 1991-05-08
EP0390977A2 (de) 1990-10-10
EP0390977B1 (de) 1995-04-12
JPH02265025A (ja) 1990-10-29
DE68922209T2 (de) 1995-08-10
US5065386A (en) 1991-11-12

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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