CN1121239A - 用于光学记录和重放系统的伺服控制技术 - Google Patents

用于光学记录和重放系统的伺服控制技术 Download PDF

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Publication number
CN1121239A
CN1121239A CN94113496A CN94113496A CN1121239A CN 1121239 A CN1121239 A CN 1121239A CN 94113496 A CN94113496 A CN 94113496A CN 94113496 A CN94113496 A CN 94113496A CN 1121239 A CN1121239 A CN 1121239A
Authority
CN
China
Prior art keywords
light
optical recording
circuit
signal
playback system
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
CN94113496A
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English (en)
Chinese (zh)
Inventor
山崎纲市
野田和男
古矢米藏
木村康行
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.)
Nippon Conlux Co Ltd
Original Assignee
Nippon Conlux Co Ltd
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 Nippon Conlux Co Ltd filed Critical Nippon Conlux Co Ltd
Publication of CN1121239A publication Critical patent/CN1121239A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
CN94113496A 1993-12-31 1994-12-28 用于光学记录和重放系统的伺服控制技术 Pending CN1121239A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5350919A JPH07201050A (ja) 1993-12-31 1993-12-31 光学的記録再生装置
JP350919/93 1993-12-31

Publications (1)

Publication Number Publication Date
CN1121239A true CN1121239A (zh) 1996-04-24

Family

ID=18413803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94113496A Pending CN1121239A (zh) 1993-12-31 1994-12-28 用于光学记录和重放系统的伺服控制技术

Country Status (9)

Country Link
US (1) US5572495A (enExample)
EP (1) EP0661697B1 (enExample)
JP (1) JPH07201050A (enExample)
KR (1) KR950020488A (enExample)
CN (1) CN1121239A (enExample)
AU (1) AU663660B2 (enExample)
CA (1) CA2137644A1 (enExample)
DE (1) DE69423327T2 (enExample)
TW (1) TW270199B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112617C (zh) * 1997-10-21 2003-06-25 德国汤姆逊-布朗特公司 在伺服控制环中获得校正伺服控制信号方法和装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997024716A1 (en) * 1995-12-27 1997-07-10 Philips Electronics N.V. Device for scanning an optically readable record carrier
JP2003323718A (ja) * 2002-04-30 2003-11-14 Toshiba Corp 光ディスク記録再生装置及びライトパワー調整方法
TW200512746A (en) * 2003-09-18 2005-04-01 Mediatek Inc Control circuit for automatic gain control device of optical disc player
JP4446290B2 (ja) * 2006-03-02 2010-04-07 日立工機株式会社 電動工具及び卓上切断機
US7592826B1 (en) * 2006-05-31 2009-09-22 Lockheed Martin Corporation Method and apparatus for detecting EM energy using surface plasmon polaritons
US8188536B2 (en) 2006-06-26 2012-05-29 Macronix International Co., Ltd. Memory device and manufacturing method and operating method thereof
JP2008192191A (ja) * 2007-01-31 2008-08-21 Toshiba Corp 信号処理方法及び光ディスク装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3480619D1 (de) * 1983-11-09 1990-01-04 Sharp Kk Servosystem zum positionieren eines optischen strahls.
US4755977A (en) * 1984-07-05 1988-07-05 Storage Technology Partners Ii Runout compensation for a coarse tracking servo system in an optical disk storage unit
JP2565485B2 (ja) * 1984-09-14 1996-12-18 オリンパス光学工業株式会社 光学的記録再生装置
KR900004182B1 (ko) * 1986-03-31 1990-06-18 삼성전자 주식회사 3비임 방식 광픽업 회절격자 조정장치
JP2585036B2 (ja) * 1987-12-25 1997-02-26 京セラ株式会社 光学式情報記録再生装置のトラッキングデフェクト解消方法
JP2701406B2 (ja) * 1989-01-09 1998-01-21 ソニー株式会社 光ディスク装置のサーボオートゲインコントロール回路
DE3926272A1 (de) * 1989-08-09 1991-02-14 Thomson Brandt Gmbh Schaltungsanordnung zur automatischen verstaerkungsregelung
JPH0547895A (ja) * 1991-08-14 1993-02-26 Matsushita Electron Corp 半導体ウエハ移載装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1112617C (zh) * 1997-10-21 2003-06-25 德国汤姆逊-布朗特公司 在伺服控制环中获得校正伺服控制信号方法和装置

Also Published As

Publication number Publication date
AU8029194A (en) 1995-08-03
EP0661697B1 (en) 2000-03-08
AU663660B2 (en) 1995-10-12
KR950020488A (ko) 1995-07-24
JPH07201050A (ja) 1995-08-04
TW270199B (enExample) 1996-02-11
US5572495A (en) 1996-11-05
DE69423327T2 (de) 2000-10-19
DE69423327D1 (de) 2000-04-13
EP0661697A1 (en) 1995-07-05
CA2137644A1 (en) 1995-07-01

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WD01 Invention patent application deemed withdrawn after publication