DE60227671D1 - Verfahren zur rauschminderung in einem wobble-signal - Google Patents

Verfahren zur rauschminderung in einem wobble-signal

Info

Publication number
DE60227671D1
DE60227671D1 DE60227671T DE60227671T DE60227671D1 DE 60227671 D1 DE60227671 D1 DE 60227671D1 DE 60227671 T DE60227671 T DE 60227671T DE 60227671 T DE60227671 T DE 60227671T DE 60227671 D1 DE60227671 D1 DE 60227671D1
Authority
DE
Germany
Prior art keywords
noise reduction
wobble signal
wobble
signal
noise
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 - Lifetime
Application number
DE60227671T
Other languages
English (en)
Inventor
Christian Buechler
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE60227671D1 publication Critical patent/DE60227671D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
DE60227671T 2001-08-16 2002-08-05 Verfahren zur rauschminderung in einem wobble-signal Expired - Lifetime DE60227671D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140326A DE10140326A1 (de) 2001-08-16 2001-08-16 Verfahren zur Verminderung des Rauschens in einem Wobbelsignal
PCT/EP2002/008705 WO2003017261A1 (en) 2001-08-16 2002-08-05 Method for reducing the noise in a wobble signal

Publications (1)

Publication Number Publication Date
DE60227671D1 true DE60227671D1 (de) 2008-08-28

Family

ID=7695724

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10140326A Withdrawn DE10140326A1 (de) 2001-08-16 2001-08-16 Verfahren zur Verminderung des Rauschens in einem Wobbelsignal
DE60227671T Expired - Lifetime DE60227671D1 (de) 2001-08-16 2002-08-05 Verfahren zur rauschminderung in einem wobble-signal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10140326A Withdrawn DE10140326A1 (de) 2001-08-16 2001-08-16 Verfahren zur Verminderung des Rauschens in einem Wobbelsignal

Country Status (9)

Country Link
US (1) US7123572B2 (de)
EP (1) EP1417680B1 (de)
JP (1) JP4029839B2 (de)
KR (1) KR100874252B1 (de)
CN (1) CN1256721C (de)
CA (1) CA2456548A1 (de)
DE (2) DE10140326A1 (de)
MX (1) MXPA04001363A (de)
WO (1) WO2003017261A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7289409B2 (en) * 2002-09-18 2007-10-30 Koninklijke Philips Electronics N. V. Method for processing a wobble signal
JP3774444B2 (ja) * 2003-03-27 2006-05-17 株式会社東芝 記録情報評価方法と装置及びその情報記録媒体
TW200523923A (en) * 2004-01-06 2005-07-16 Hitachi Maxell Optical disk, recording and reproducing apparatus for the same, and method for managing address information
CN100463054C (zh) * 2004-04-14 2009-02-18 汤姆森许可贸易公司 获取轨道摆动信号的设备
EP1735782B1 (de) * 2004-04-14 2008-05-14 THOMSON Licensing Anordnen zum erhalten eines spur-wobbel-signals
CN100435220C (zh) * 2004-12-06 2008-11-19 建兴电子科技股份有限公司 可补偿摇摆定址信号的光盘机及其方法
CN101461001A (zh) * 2006-06-01 2009-06-17 皇家飞利浦电子股份有限公司 优化聚焦串扰消除
US7772213B2 (en) * 2006-07-27 2010-08-10 Nathan Strick Composition for the treatment of inflammatory conditions

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US571679A (en) * 1896-11-17 Device for converting motion
US5233586A (en) * 1990-02-16 1993-08-03 Canon Kabushiki Kaisha Servo control system for controlling tracking of an optical head on an optical disk
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JP3260151B2 (ja) * 1991-10-31 2002-02-25 パイオニア株式会社 ウォブル信号読取装置及びウォブル信号読取方法
NL9200808A (nl) 1992-05-06 1993-12-01 Philips Electronics Nv Optische schrijf- en/of leesinrichting.
JP3052994B2 (ja) * 1995-06-30 2000-06-19 ティアック株式会社 光ディスク装置のウォブル信号検出回路
DE19536396A1 (de) * 1995-09-29 1997-04-03 Thomson Brandt Gmbh Wiedergabe- und/oder Aufzeichnungsgerät für optische Aufzeichnungsträger unterschiedlicher Speicherdichte
DE19630887A1 (de) * 1996-07-31 1998-02-05 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
US6028826A (en) * 1996-09-18 2000-02-22 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus performing correction of phase difference tracking error signal, adjustment of focus position and process of gain adjustment
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP4422855B2 (ja) * 2000-03-16 2010-02-24 株式会社日立製作所 ウォブル信号再生回路

Also Published As

Publication number Publication date
MXPA04001363A (es) 2004-05-27
CN1541389A (zh) 2004-10-27
EP1417680A1 (de) 2004-05-12
DE10140326A1 (de) 2003-02-27
KR100874252B1 (ko) 2008-12-16
JP4029839B2 (ja) 2008-01-09
KR20040024615A (ko) 2004-03-20
EP1417680B1 (de) 2008-07-16
US7123572B2 (en) 2006-10-17
CA2456548A1 (en) 2003-02-27
JP2005500640A (ja) 2005-01-06
CN1256721C (zh) 2006-05-17
WO2003017261A1 (en) 2003-02-27
US20040208090A1 (en) 2004-10-21

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition