CN104903958B - 光介质伺服跟踪 - Google Patents

光介质伺服跟踪 Download PDF

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Publication number
CN104903958B
CN104903958B CN201380068654.1A CN201380068654A CN104903958B CN 104903958 B CN104903958 B CN 104903958B CN 201380068654 A CN201380068654 A CN 201380068654A CN 104903958 B CN104903958 B CN 104903958B
Authority
CN
China
Prior art keywords
unit
tracking signal
relative position
optical pick
optical
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.)
Active
Application number
CN201380068654.1A
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English (en)
Chinese (zh)
Other versions
CN104903958A (zh
Inventor
F·马纳德
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.)
Oracle International Corp
Original Assignee
Oracle International 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 International Corp filed Critical Oracle International Corp
Publication of CN104903958A publication Critical patent/CN104903958A/zh
Application granted granted Critical
Publication of CN104903958B publication Critical patent/CN104903958B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B7/0901—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 for track following only
    • 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
    • G11B7/0901—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 for track following only
    • G11B7/0906—Differential phase difference systems
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent

Landscapes

  • Optical Recording Or Reproduction (AREA)
CN201380068654.1A 2012-12-31 2013-12-05 光介质伺服跟踪 Active CN104903958B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/731,384 2012-12-31
US13/731,384 US8593921B1 (en) 2012-12-31 2012-12-31 Optical media servo tracking
PCT/US2013/073281 WO2014105382A1 (en) 2012-12-31 2013-12-05 Optical media servo tracking

Publications (2)

Publication Number Publication Date
CN104903958A CN104903958A (zh) 2015-09-09
CN104903958B true CN104903958B (zh) 2018-09-18

Family

ID=49596683

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380068654.1A Active CN104903958B (zh) 2012-12-31 2013-12-05 光介质伺服跟踪

Country Status (7)

Country Link
US (1) US8593921B1 (enExample)
EP (1) EP2939237B1 (enExample)
JP (1) JP6250701B2 (enExample)
CN (1) CN104903958B (enExample)
AU (1) AU2013368327B2 (enExample)
NZ (1) NZ709078A (enExample)
WO (1) WO2014105382A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9142236B1 (en) 2014-09-30 2015-09-22 Oracle International Corporation H-bridge power amplifier for optical recording head actuator
US9336812B1 (en) 2015-01-09 2016-05-10 Oracle International Corporation Adaptive control of tracking servo system of optical heads in optical storage devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63229631A (ja) * 1987-03-18 1988-09-26 Nippon Columbia Co Ltd 光デイスク装置
JPH05325234A (ja) * 1991-11-25 1993-12-10 Pioneer Electron Corp 光ディスクプレーヤのトラッキング装置
KR0176888B1 (ko) * 1996-01-24 1999-04-15 구자홍 광디스크 기록재생기의 서보 제어 장치
JPH11175989A (ja) * 1997-12-15 1999-07-02 Hitachi Ltd トラッキング制御方式および光ディスク評価方式および光ヘッドおよび光ディスク装置
JP3566701B2 (ja) * 2002-01-31 2004-09-15 株式会社東芝 光ディスク記録再生装置
TWI363344B (en) * 2004-01-21 2012-05-01 Microcontinuum Inc Pre-formatted linear optical data storage tape and system thereof
US7391701B2 (en) * 2005-08-15 2008-06-24 Opternity Storage, Inc. Methods and systems for in-track optical positioning
JP4167682B2 (ja) * 2005-09-30 2008-10-15 東芝サムスン ストレージ・テクノロジー株式会社 光ディスク装置、トラッキングエラー信号選択方法
US7609599B2 (en) * 2006-02-17 2009-10-27 Mediatek Inc. Method of identifying a type of an optical disc and the device therefor
JP2008159214A (ja) * 2006-12-26 2008-07-10 Hitachi-Lg Data Storage Inc 光ディスク装置及び光ディスクの判別方法
JPWO2009008434A1 (ja) * 2007-07-10 2010-09-09 シャープ株式会社 光情報記録媒体、光情報記録媒体再生装置、光情報記録媒体再生装置の制御方法、光情報記録媒体再生装置制御プログラム、および当該プログラムを記録した記録媒体
TWI360111B (en) * 2009-04-24 2012-03-11 Sunplus Technology Co Ltd Method for determining type of optical disk and ap
US8503276B2 (en) * 2009-12-30 2013-08-06 Mediatek Inc. Optical disk drive and method for determining type of a blu-ray disk

Also Published As

Publication number Publication date
WO2014105382A1 (en) 2014-07-03
EP2939237B1 (en) 2021-06-02
JP2016502225A (ja) 2016-01-21
AU2013368327A1 (en) 2015-06-11
US8593921B1 (en) 2013-11-26
JP6250701B2 (ja) 2017-12-20
NZ709078A (en) 2018-07-27
EP2939237A1 (en) 2015-11-04
AU2013368327B2 (en) 2019-08-29
CN104903958A (zh) 2015-09-09

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