ATE346358T1 - Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums - Google Patents

Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums

Info

Publication number
ATE346358T1
ATE346358T1 AT04732953T AT04732953T ATE346358T1 AT E346358 T1 ATE346358 T1 AT E346358T1 AT 04732953 T AT04732953 T AT 04732953T AT 04732953 T AT04732953 T AT 04732953T AT E346358 T1 ATE346358 T1 AT E346358T1
Authority
AT
Austria
Prior art keywords
position signal
lens position
weights
reading
writing
Prior art date
Application number
AT04732953T
Other languages
English (en)
Inventor
Christian Buechler
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Application granted granted Critical
Publication of ATE346358T1 publication Critical patent/ATE346358T1/de

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
    • 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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences

Landscapes

  • Optical Recording Or Reproduction (AREA)
AT04732953T 2003-05-16 2004-05-14 Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums ATE346358T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10322425 2003-05-16

Publications (1)

Publication Number Publication Date
ATE346358T1 true ATE346358T1 (de) 2006-12-15

Family

ID=33440950

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04732953T ATE346358T1 (de) 2003-05-16 2004-05-14 Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums

Country Status (8)

Country Link
US (1) US7499382B2 (de)
EP (1) EP1625577B1 (de)
JP (1) JP2006528400A (de)
KR (1) KR20060014053A (de)
CN (1) CN100576325C (de)
AT (1) ATE346358T1 (de)
DE (1) DE602004003368T2 (de)
WO (1) WO2004102545A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060009347A (ko) * 2003-05-16 2006-01-31 톰슨 라이센싱 광 레코딩 매체를 판독 및/또는 기록하는 장치
JP4806643B2 (ja) * 2007-03-09 2011-11-02 株式会社日立メディアエレクトロニクス 光ピックアップ及び光ディスク装置
JP2011100500A (ja) * 2009-11-04 2011-05-19 Hitachi Consumer Electronics Co Ltd 光ディスク装置およびトラッキング制御方法
CN118131603B (zh) * 2024-03-19 2025-09-30 河南职业技术学院 一种用于压电定位台的定位控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62270033A (ja) * 1986-05-19 1987-11-24 Yamaha Corp 光ピツクアツプ制御装置
DE4323067A1 (de) * 1993-07-10 1995-01-12 Thomson Brandt Gmbh G-Faktor-Abgleich
JP3633069B2 (ja) * 1995-12-15 2005-03-30 富士通株式会社 光ディスク装置
KR0176888B1 (ko) * 1996-01-24 1999-04-15 구자홍 광디스크 기록재생기의 서보 제어 장치
JPH10112043A (ja) * 1996-10-04 1998-04-28 Sony Corp 再生装置
KR100312615B1 (ko) * 1999-01-23 2001-11-03 구자홍 광디스크 재생/기록기의 서보제어방법 및 장치
KR100359825B1 (ko) 2000-08-16 2002-11-07 엘지전자 주식회사 광 기록매체의 서보 방법
KR20020026679A (ko) * 2000-10-02 2002-04-12 구자홍 광 기록매체의 재생 제어 방법 및 장치
DE10062078A1 (de) * 2000-12-13 2002-06-20 Thomson Brandt Gmbh Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
KR100403622B1 (ko) * 2001-04-12 2003-10-30 삼성전자주식회사 광픽업장치 및 광스폿의 최적 포커싱 방법
DE10140325A1 (de) * 2001-08-16 2003-02-27 Thomson Brandt Gmbh Verfahren zur Verminderung des Rauschens in einem Wobbelsignal

Also Published As

Publication number Publication date
DE602004003368T2 (de) 2007-09-13
EP1625577A1 (de) 2006-02-15
CN1809880A (zh) 2006-07-26
EP1625577B1 (de) 2006-11-22
JP2006528400A (ja) 2006-12-14
US7499382B2 (en) 2009-03-03
CN100576325C (zh) 2009-12-30
KR20060014053A (ko) 2006-02-14
US20070104048A1 (en) 2007-05-10
DE602004003368D1 (de) 2007-01-04
WO2004102545A1 (en) 2004-11-25

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