KR100700797B1 - 광 디스크 장치, 광시스템의 제어방법 및 매체 - Google Patents

광 디스크 장치, 광시스템의 제어방법 및 매체 Download PDF

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Publication number
KR100700797B1
KR100700797B1 KR1020000063554A KR20000063554A KR100700797B1 KR 100700797 B1 KR100700797 B1 KR 100700797B1 KR 1020000063554 A KR1020000063554 A KR 1020000063554A KR 20000063554 A KR20000063554 A KR 20000063554A KR 100700797 B1 KR100700797 B1 KR 100700797B1
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KR
South Korea
Prior art keywords
signal
light
periodic
optical
inclination
Prior art date
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Expired - Fee Related
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KR1020000063554A
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English (en)
Korean (ko)
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KR20010040203A (ko
Inventor
니시와키세이지
모모오가즈오
나가오카준지
Original Assignee
마츠시타 덴끼 산교 가부시키가이샤
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Publication of KR20010040203A publication Critical patent/KR20010040203A/ko
Application granted granted Critical
Publication of KR100700797B1 publication Critical patent/KR100700797B1/ko
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    • 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
    • G11B7/0901—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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
    • 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

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  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
KR1020000063554A 1999-10-28 2000-10-27 광 디스크 장치, 광시스템의 제어방법 및 매체 Expired - Fee Related KR100700797B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP???11-307707 1999-10-28
JP30770799A JP4125458B2 (ja) 1999-10-28 1999-10-28 光ディスク装置

Publications (2)

Publication Number Publication Date
KR20010040203A KR20010040203A (ko) 2001-05-15
KR100700797B1 true KR100700797B1 (ko) 2007-03-27

Family

ID=17972278

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000063554A Expired - Fee Related KR100700797B1 (ko) 1999-10-28 2000-10-27 광 디스크 장치, 광시스템의 제어방법 및 매체

Country Status (3)

Country Link
US (1) US6704254B1 (enExample)
JP (1) JP4125458B2 (enExample)
KR (1) KR100700797B1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100472469B1 (ko) * 2002-08-17 2005-03-10 삼성전자주식회사 디스크 구동기에 있어서 틸트 보정 방법 및 장치
JP2004192754A (ja) * 2002-12-13 2004-07-08 Sanyo Electric Co Ltd 光ディスク記録再生装置のチルト制御方法
JP2004199779A (ja) * 2002-12-18 2004-07-15 Sanyo Electric Co Ltd 光ディスク記録再生装置のチルト制御方法
JP2008509503A (ja) * 2004-08-06 2008-03-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光記憶システムにおけるチルト補正方法および装置
WO2019134162A1 (zh) 2018-01-08 2019-07-11 深圳市韶音科技有限公司 一种骨传导扬声器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100198052B1 (ko) * 1996-06-12 1999-06-15 구자홍 틸트 에러 제어장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY132591A (en) * 1995-10-26 2007-10-31 Sony Corp Optical disc apparatus.
US5646919A (en) * 1996-01-16 1997-07-08 Eastman Kodak Company Dynamic tracking control in an optical recording system by sensing mark formation
JP3211002B2 (ja) * 1997-04-24 2001-09-25 富士通株式会社 光記録媒体、チルト検出器、光ディスク装置、チルト検出方法及びチルト補正方法
DE69900014T2 (de) * 1998-09-14 2001-06-07 Matsushita Electric Industrial Co., Ltd. Neigungserkennungsvorrichtung, optischer Speicher und Wiedergabe-Plattengerät, und Neigungserkennungsverfahren

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100198052B1 (ko) * 1996-06-12 1999-06-15 구자홍 틸트 에러 제어장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1001980520000 *

Also Published As

Publication number Publication date
JP4125458B2 (ja) 2008-07-30
JP2001126287A (ja) 2001-05-11
KR20010040203A (ko) 2001-05-15
US6704254B1 (en) 2004-03-09

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