TW200701211A - Apparatus for generating tracking signal - Google Patents

Apparatus for generating tracking signal

Info

Publication number
TW200701211A
TW200701211A TW095122231A TW95122231A TW200701211A TW 200701211 A TW200701211 A TW 200701211A TW 095122231 A TW095122231 A TW 095122231A TW 95122231 A TW95122231 A TW 95122231A TW 200701211 A TW200701211 A TW 200701211A
Authority
TW
Taiwan
Prior art keywords
signal
phase
limit signal
tracking signal
generating tracking
Prior art date
Application number
TW095122231A
Other languages
English (en)
Other versions
TWI333204B (en
Inventor
Ki-Ho Lee
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200701211A publication Critical patent/TW200701211A/zh
Application granted granted Critical
Publication of TWI333204B publication Critical patent/TWI333204B/zh

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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 for track following only
    • G11B7/0906Differential phase difference systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0948Disposition 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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Optical Communication System (AREA)
TW095122231A 2005-06-27 2006-06-21 Apparatus for generating tracking signal TWI333204B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050055891A KR100699851B1 (ko) 2005-06-27 2005-06-27 트랙킹 신호 발생 장치 및 디지털 위상 제어기

Publications (2)

Publication Number Publication Date
TW200701211A true TW200701211A (en) 2007-01-01
TWI333204B TWI333204B (en) 2010-11-11

Family

ID=37567338

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095122231A TWI333204B (en) 2005-06-27 2006-06-21 Apparatus for generating tracking signal

Country Status (3)

Country Link
US (1) US8164994B2 (zh)
KR (1) KR100699851B1 (zh)
TW (1) TWI333204B (zh)

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8703001A (nl) * 1986-12-11 1988-07-01 Pioneer Electronic Corp Een volgfoutsignaalgenerator.
JPS643828A (en) 1987-06-25 1989-01-09 Canon Kk Optical information reproducing device
JPS6481527A (en) 1987-09-24 1989-03-27 Pioneer Electronic Corp Phase comparator
JP2831818B2 (ja) 1990-07-24 1998-12-02 パイオニア株式会社 トラッキングエラー信号生成装置
JP2911704B2 (ja) * 1993-02-16 1999-06-23 パイオニア株式会社 ディジタル信号再生装置
JPH0765513A (ja) * 1993-08-27 1995-03-10 Canon Inc 同期マーク検出装置及び情報再生装置
JP3455298B2 (ja) * 1994-08-12 2003-10-14 松下電器産業株式会社 光ビームの移動検出方法および光ディスク再生装置
KR0180307B1 (ko) * 1995-10-06 1999-04-15 김광호 멀티 배속 광디스크 재생장치의 스핀들 서보회로
JPH1081527A (ja) 1996-07-12 1998-03-31 Asahi Glass Co Ltd ガラス基板の熱処理方法
US5882371A (en) * 1996-07-12 1999-03-16 Asahi Glass Company Ltd. Method for heat-treating a glass substrate
JP3214372B2 (ja) 1996-10-22 2001-10-02 松下電器産業株式会社 トラッキング誤差信号検出装置
JP3235016B2 (ja) 1996-11-06 2001-12-04 シャープ株式会社 光ピックアップのトラッキング制御装置
US6014354A (en) * 1996-11-06 2000-01-11 Sharp Kabushiki Kaisha Tracking control device for optical pickup
JPH10340463A (ja) 1997-06-04 1998-12-22 Sharp Corp 光ピックアップのトラッキング制御装置
JP4151110B2 (ja) * 1998-05-14 2008-09-17 ソニー株式会社 オーディオ信号処理装置およびオーディオ信号再生装置
KR100716941B1 (ko) * 1999-10-21 2007-05-10 삼성전자주식회사 광디스크 기록/재생장치의 레이저 스폿 이동 방향 판단방법 및 이에 적합한 장치
GB2389352B (en) * 1999-11-01 2004-01-21 Laserthor Ltd Rail cleaning method and apparatus
JP2001189051A (ja) * 1999-12-28 2001-07-10 Pioneer Electronic Corp コード判定装置及び方法、記録媒体判別装置及び方法並びに情報記録装置及び方法
JP4523117B2 (ja) * 2000-05-31 2010-08-11 富士通セミコンダクター株式会社 データ記録装置、データ記録方法及びディスク装置
TW508569B (en) 2001-05-15 2002-11-01 Media Tek Inc Gain calibration device and method for differential push-pull tracking error signal
US6683478B2 (en) 2001-11-13 2004-01-27 Samsung Electronics Co., Ltd. Apparatus for ensuring correct start-up and phase locking of delay locked loop
TWI237249B (en) * 2003-06-20 2005-08-01 Mediatek Inc Write pulse generator with alignment calibration
TWI288531B (en) * 2004-02-26 2007-10-11 Mediatek Inc Phase locked loop for generating an output signal
JP4366650B2 (ja) * 2004-03-19 2009-11-18 ソニー株式会社 情報再生装置及びリードクロック監視方法
JP4326404B2 (ja) * 2004-06-09 2009-09-09 株式会社リコー 位相差検出回路及びその位相差検出回路を有する光ディスク装置

Also Published As

Publication number Publication date
US20060291603A1 (en) 2006-12-28
KR100699851B1 (ko) 2007-03-27
US8164994B2 (en) 2012-04-24
KR20070000519A (ko) 2007-01-03
TWI333204B (en) 2010-11-11

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