MXPA04001363A - Metodo para reducir el ruido en una senal oscilante. - Google Patents

Metodo para reducir el ruido en una senal oscilante.

Info

Publication number
MXPA04001363A
MXPA04001363A MXPA04001363A MXPA04001363A MXPA04001363A MX PA04001363 A MXPA04001363 A MX PA04001363A MX PA04001363 A MXPA04001363 A MX PA04001363A MX PA04001363 A MXPA04001363 A MX PA04001363A MX PA04001363 A MXPA04001363 A MX PA04001363A
Authority
MX
Mexico
Prior art keywords
signal
optical storage
wobble signal
appliance
reading
Prior art date
Application number
MXPA04001363A
Other languages
English (en)
Inventor
Buechler Christian
Original Assignee
Thomson Licensing Sa
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 Sa filed Critical Thomson Licensing Sa
Publication of MXPA04001363A publication Critical patent/MXPA04001363A/es

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
    • G11B7/004—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
    • 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
    • G11B7/007—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

La presente invencion se relaciona con un metodo y un circuito para recuperar informacion (INF) contenido en una pista oscilante (36) de un medio de almacenamiento optico (34). Un objetivo de la invencion es describir un metodo dentro de un aparato para leer de y/o escribir a medios de almacenamiento optico (34) el cual puede corregir componentes de la senal de datos perturbantes (AS') en la senal oscilante (TW) aun cuando la frecuencia de barrido y la frecuencia de senal mas baja esten cerca una de la otra. De acuerdo a la invencion, este objeto es logrado dado que las senales (A+D,B+C) de las dos mitades del detector (1A+1D, 1B+1C) de un fotodetector (1) el cual es usado para leer los datos contenidos en una pista (36) sobre un medio de almacenamiento optico (34) son proporcionados con factores de ponderacion (K1, K2), los cuales son ajustados dinamicamente durante la operacion del aparato. Para ajustar los factores de ponderacion (K1, K2) el componente de la senal de datos (AS') en la senal oscilante (TW) es ligada a una senal de perturbacion (DS) de un generador de senales de perturbacion (12).
MXPA04001363A 2001-08-16 2002-08-05 Metodo para reducir el ruido en una senal oscilante. MXPA04001363A (es)

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
MXPA04001363A true MXPA04001363A (es) 2004-05-27

Family

ID=7695724

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04001363A MXPA04001363A (es) 2001-08-16 2002-08-05 Metodo para reducir el ruido en una senal oscilante.

Country Status (9)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4145875B2 (ja) * 2002-09-18 2008-09-03 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 ウォブル信号処理方法
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
DE602005006778D1 (de) * 2004-04-14 2008-06-26 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
US20090154306A1 (en) * 2006-06-01 2009-06-18 Koninklijke Philips Electronics N.V. Optimizing focus crosstalk cancelling
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
JP4029839B2 (ja) 2008-01-09
EP1417680B1 (en) 2008-07-16
DE60227671D1 (de) 2008-08-28
DE10140326A1 (de) 2003-02-27
EP1417680A1 (en) 2004-05-12
JP2005500640A (ja) 2005-01-06
CN1256721C (zh) 2006-05-17
KR100874252B1 (ko) 2008-12-16
US7123572B2 (en) 2006-10-17
CA2456548A1 (en) 2003-02-27
US20040208090A1 (en) 2004-10-21
WO2003017261A1 (en) 2003-02-27
CN1541389A (zh) 2004-10-27
KR20040024615A (ko) 2004-03-20

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