TW200631003A - Optical disc actuator control - Google Patents

Optical disc actuator control

Info

Publication number
TW200631003A
TW200631003A TW094139675A TW94139675A TW200631003A TW 200631003 A TW200631003 A TW 200631003A TW 094139675 A TW094139675 A TW 094139675A TW 94139675 A TW94139675 A TW 94139675A TW 200631003 A TW200631003 A TW 200631003A
Authority
TW
Taiwan
Prior art keywords
control loop
gain
reference oscillation
optical disc
servo
Prior art date
Application number
TW094139675A
Other languages
English (en)
Inventor
Antonius Leonardus Johannes Dekker
Jacques Schreurs
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200631003A publication Critical patent/TW200631003A/zh

Links

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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
TW094139675A 2004-11-15 2005-11-11 Optical disc actuator control TW200631003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04105757 2004-11-15

Publications (1)

Publication Number Publication Date
TW200631003A true TW200631003A (en) 2006-09-01

Family

ID=35596835

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094139675A TW200631003A (en) 2004-11-15 2005-11-11 Optical disc actuator control

Country Status (7)

Country Link
US (1) US20090059744A1 (zh)
EP (1) EP1815466A2 (zh)
JP (1) JP2008521150A (zh)
KR (1) KR20070073974A (zh)
CN (1) CN101057281A (zh)
TW (1) TW200631003A (zh)
WO (1) WO2006051500A2 (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01156801A (ja) * 1987-12-14 1989-06-20 Mitsubishi Electric Corp 記憶装置
JPH05314504A (ja) * 1992-05-13 1993-11-26 Canon Inc 光学的情報記録再生装置
KR100230228B1 (ko) * 1993-07-31 1999-11-15 윤종용 광디스크 시스템의 포커싱 제어장치
GB2300731A (en) * 1995-05-06 1996-11-13 Thomson Multimedia Sa Control of a laser in an optical memory system
DE19757440A1 (de) * 1997-12-23 1999-06-24 Thomson Brandt Gmbh Automatisiertes Einstellen der Verstärkung in Regelkreisen
JP2000165167A (ja) * 1998-11-20 2000-06-16 Pioneer Electronic Corp 利得制御装置及び方法、情報再生装置及び方法並びに情報記録装置及び方法

Also Published As

Publication number Publication date
KR20070073974A (ko) 2007-07-10
WO2006051500A2 (en) 2006-05-18
US20090059744A1 (en) 2009-03-05
WO2006051500A3 (en) 2006-08-17
EP1815466A2 (en) 2007-08-08
JP2008521150A (ja) 2008-06-19
CN101057281A (zh) 2007-10-17

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