NZ718003A - Quadrature track error signal for optical recording media and devices - Google Patents

Quadrature track error signal for optical recording media and devices

Info

Publication number
NZ718003A
NZ718003A NZ718003A NZ71800314A NZ718003A NZ 718003 A NZ718003 A NZ 718003A NZ 718003 A NZ718003 A NZ 718003A NZ 71800314 A NZ71800314 A NZ 71800314A NZ 718003 A NZ718003 A NZ 718003A
Authority
NZ
New Zealand
Prior art keywords
signal
wobble
error signal
track error
detection system
Prior art date
Application number
NZ718003A
Other languages
English (en)
Inventor
Faramarz Mahnad
Original Assignee
Oracle Int 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 Oracle Int Corp filed Critical Oracle Int Corp
Publication of NZ718003A publication Critical patent/NZ718003A/en

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
    • G11B7/085Disposition 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
    • G11B7/08505Methods for track change, selection or preliminary positioning by moving the head
    • 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
    • G11B7/095Disposition 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 discs, e.g. for compensation of eccentricity or wobble
    • 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • G11B7/0053Reproducing non-user data, e.g. wobbled address, prepits, BCA

Landscapes

  • Optical Recording Or Reproduction (AREA)
NZ718003A 2013-11-26 2014-09-26 Quadrature track error signal for optical recording media and devices NZ718003A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/090,240 US9734859B2 (en) 2013-11-26 2013-11-26 Quadrature track error signal for optical recording media and devices
PCT/US2014/057594 WO2015080794A1 (en) 2013-11-26 2014-09-26 Quadrature track error signal for optical recording media and devices

Publications (1)

Publication Number Publication Date
NZ718003A true NZ718003A (en) 2020-06-26

Family

ID=51703413

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ718003A NZ718003A (en) 2013-11-26 2014-09-26 Quadrature track error signal for optical recording media and devices

Country Status (7)

Country Link
US (2) US9734859B2 (enExample)
EP (1) EP3074976B1 (enExample)
JP (1) JP6321157B2 (enExample)
CN (1) CN105612579B (enExample)
AU (1) AU2014355132B2 (enExample)
NZ (1) NZ718003A (enExample)
WO (1) WO2015080794A1 (enExample)

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2963133D1 (en) * 1978-01-18 1982-08-12 Rca Corp Chroma demodulator circuit for secam television signals
JPH01223634A (ja) * 1988-03-02 1989-09-06 Hitachi Ltd 光学的情報記録媒体および記録再生装置
US4914725A (en) * 1989-07-10 1990-04-03 International Business Machines Corporation Transducer positioning servo mechanisms employing digital and analog circuits
JP2710704B2 (ja) * 1991-07-08 1998-02-10 シャープ株式会社 光記録媒体駆動装置
KR950010418B1 (ko) 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JPH1069640A (ja) 1996-08-27 1998-03-10 Mitsumi Electric Co Ltd Cd−rドライブにおけるウォブル信号生成方法
FR2755808B1 (fr) * 1996-11-14 1999-01-08 Alsthom Cge Alcatel Estimateur d'un defaut de fonctionnement d'un modulateur en quadrature et etage de modulation l'utilisant
ID26570A (id) * 1999-01-25 2001-01-18 Koninkl Philips Electronics Nv Pembawa rekaman dan perangkat untuk menscanning pembawa rekamannya
JP3503513B2 (ja) 1999-02-22 2004-03-08 ヤマハ株式会社 光ディスク記録方法及び装置
JP2001006182A (ja) * 1999-06-22 2001-01-12 Matsushita Electric Ind Co Ltd 光記録媒体および方向検出装置
US6473369B1 (en) 1999-12-23 2002-10-29 Oak Technology, Inc. Methods and apparatus for regenerating track crossing signals for searches across unrecorded areas on read/write optical discs
US7260031B2 (en) * 2001-01-25 2007-08-21 Dphi Acquisitions, Inc. Digital focus and tracking servo system with one-track jump
US6744712B2 (en) * 2001-01-29 2004-06-01 Hewlett-Packard Development Company, L.P. Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection
JP4232428B2 (ja) 2002-10-10 2009-03-04 パナソニック株式会社 光ディスクのトラッキング制御装置および方法
DE102004019692A1 (de) 2004-04-20 2005-11-10 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für das Spurzählen bei optischen Aufzeichnungsträgern
JP2005346745A (ja) * 2004-05-31 2005-12-15 Toshiba Corp ディスクドライブ装置及びピックアップ位置制御方法
US7804746B2 (en) 2005-03-11 2010-09-28 Mediatek Inc. Land/groove track and pickup head movement direction detection
JP2007225500A (ja) * 2006-02-24 2007-09-06 Denso Corp 距離測定方法及び装置
US8054715B1 (en) * 2006-03-20 2011-11-08 Marvell International Ltd. Track counting system and method for recordable optical media
US7742373B2 (en) * 2007-07-06 2010-06-22 Lite-On It Corporation Optical disk drive for scanning an optical disk carrying a groove with a wobble
US7821885B2 (en) 2007-10-30 2010-10-26 Mediatek Inc. TE signal polarity determining system and related method thereof
JP5623948B2 (ja) * 2011-03-24 2014-11-12 日立コンシューマエレクトロニクス株式会社 推奨記録条件の決定方法及び記録調整方法
JP2013065363A (ja) * 2011-09-15 2013-04-11 Sony Corp 光記録媒体、記録装置、記録方法

Also Published As

Publication number Publication date
US20170256279A1 (en) 2017-09-07
EP3074976A1 (en) 2016-10-05
JP6321157B2 (ja) 2018-05-09
CN105612579B (zh) 2019-02-01
US9734859B2 (en) 2017-08-15
EP3074976B1 (en) 2019-11-13
AU2014355132B2 (en) 2019-09-12
US10079037B2 (en) 2018-09-18
JP2017500680A (ja) 2017-01-05
CN105612579A (zh) 2016-05-25
US20150146509A1 (en) 2015-05-28
AU2014355132A1 (en) 2016-03-10
WO2015080794A1 (en) 2015-06-04

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