CN1288642C - 光盘再现设备以及光盘再现方法 - Google Patents

光盘再现设备以及光盘再现方法 Download PDF

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Publication number
CN1288642C
CN1288642C CN200410077135.4A CN200410077135A CN1288642C CN 1288642 C CN1288642 C CN 1288642C CN 200410077135 A CN200410077135 A CN 200410077135A CN 1288642 C CN1288642 C CN 1288642C
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CN
China
Prior art keywords
unit
signal
wobble
phase detection
amplitude
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.)
Expired - Fee Related
Application number
CN200410077135.4A
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English (en)
Chinese (zh)
Other versions
CN1595502A (zh
Inventor
长井裕士
小川昭人
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.)
Toshiba Corp
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Toshiba Corp
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Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of CN1595502A publication Critical patent/CN1595502A/zh
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Publication of CN1288642C publication Critical patent/CN1288642C/zh
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10324—Improvement or modification of read or write signals signal quality assessment asymmetry of the recorded or reproduced waveform
    • G11B20/10333—Improvement or modification of read or write signals signal quality assessment asymmetry of the recorded or reproduced waveform wherein the asymmetry is linked to domain bloom
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CN200410077135.4A 2003-09-10 2004-09-10 光盘再现设备以及光盘再现方法 Expired - Fee Related CN1288642C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003318392A JP4095514B2 (ja) 2003-09-10 2003-09-10 光ディスク再生装置及び光ディスク再生方法
JP2003318392 2003-09-10

Publications (2)

Publication Number Publication Date
CN1595502A CN1595502A (zh) 2005-03-16
CN1288642C true CN1288642C (zh) 2006-12-06

Family

ID=34417687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200410077135.4A Expired - Fee Related CN1288642C (zh) 2003-09-10 2004-09-10 光盘再现设备以及光盘再现方法

Country Status (3)

Country Link
US (1) US7342864B2 (enExample)
JP (1) JP4095514B2 (enExample)
CN (1) CN1288642C (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100675355B1 (ko) * 2005-02-18 2007-01-29 삼성전자주식회사 소수점 이하의 비대칭 에러를 고려한 비대칭 파형 레벨 보정 방법 및 그 장치
KR100960983B1 (ko) * 2005-04-13 2010-06-03 닛본 덴끼 가부시끼가이샤 워블신호의 신호처리방법, 광디스크의 기록과 재생방법,광디스크장치, 프로그램, 및 기록매체
US8355302B1 (en) * 2006-05-11 2013-01-15 Marvell International Ltd. Offset loop for wobble
US7821889B1 (en) * 2006-05-11 2010-10-26 Marvell International Ltd. Offset loop for wobble
JP4501902B2 (ja) * 2006-06-30 2010-07-14 日本ビクター株式会社 光ディスク記録再生装置及び光ディスク記録再生方法
JP4501934B2 (ja) * 2006-12-28 2010-07-14 日本ビクター株式会社 光ディスク記録再生装置及びその記録再生方法
JP2010049746A (ja) * 2008-08-21 2010-03-04 Sony Corp 復調装置、復調方法、情報再生装置およびコンピュータプログラム
US8582405B1 (en) * 2012-09-25 2013-11-12 Oracle International Corporation Matched pattern signal decoding

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1145936C (zh) * 1996-10-22 2004-04-14 株式会社日立制作所 表示磁道摆动信息的信息记录媒体及信息记录重放装置
CN1206904A (zh) 1997-05-20 1999-02-03 先锋株式会社 预凹槽检测装置和方法
JP3938449B2 (ja) 1999-06-02 2007-06-27 パイオニア株式会社 光ディスク記録方法、光ディスク記録装置、光ディスク及び光ディスク再生装置
US6345018B1 (en) * 1999-08-04 2002-02-05 Ricoh Company, Ltd. Demodulation circuit for demodulating wobbling signal
JP2001209937A (ja) 2000-01-27 2001-08-03 Ricoh Co Ltd 復調装置及び情報記録再生装置
US6912190B2 (en) * 2000-11-15 2005-06-28 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus and method for reading information from an optical disk having tracks and spaces between the tracks on which address information is recorded
US6809997B2 (en) * 2001-11-17 2004-10-26 Lg Electronics Inc. Apparatus and method for detecting wobble signal read from optical disc
US7200080B2 (en) * 2002-01-16 2007-04-03 Yamaha Corporation Optical disk recorder with reproduction quality control

Also Published As

Publication number Publication date
US7342864B2 (en) 2008-03-11
US20050094515A1 (en) 2005-05-05
JP4095514B2 (ja) 2008-06-04
JP2005085407A (ja) 2005-03-31
CN1595502A (zh) 2005-03-16

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Granted publication date: 20061206

Termination date: 20120910