WO2009025036A1 - トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム - Google Patents

トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム Download PDF

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Publication number
WO2009025036A1
WO2009025036A1 PCT/JP2007/066245 JP2007066245W WO2009025036A1 WO 2009025036 A1 WO2009025036 A1 WO 2009025036A1 JP 2007066245 W JP2007066245 W JP 2007066245W WO 2009025036 A1 WO2009025036 A1 WO 2009025036A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
amplitude
tracking signal
obtaining
signal generation
Prior art date
Application number
PCT/JP2007/066245
Other languages
English (en)
French (fr)
Inventor
Mitsuru Sato
Shogo Miyanabe
Junichi Furukawa
Original Assignee
Pioneer Corporation
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 Pioneer Corporation filed Critical Pioneer Corporation
Priority to US12/674,231 priority Critical patent/US20110141866A1/en
Priority to JP2009528910A priority patent/JP4884533B2/ja
Priority to PCT/JP2007/066245 priority patent/WO2009025036A1/ja
Publication of WO2009025036A1 publication Critical patent/WO2009025036A1/ja

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
    • 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
    • G11B7/0906—Differential phase difference systems

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

トラッキング信号生成装置（１）は、記録媒体（１００）に照射されるレーザ光（ＬＢ）の反射光を読み取ることで得られる読取信号を取得する読取手段（１２２）と、読取信号の振幅レベルを所定の振幅制限値にて制限することで振幅制限信号を取得する振幅制限手段（１４２）と、振幅制限信号に対して高域強調フィルタリング処理を施すことで等化補正信号を取得するフィルタリング手段（１４２）と、等化補正信号に対して位相比較処理を施すことで、トラッキング信号を生成する生成手段（１４３、１４４）とを備える。
PCT/JP2007/066245 2007-08-22 2007-08-22 トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム WO2009025036A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/674,231 US20110141866A1 (en) 2007-08-22 2007-08-22 Tracking signal generation device and method, reproduction device and method, and computer program
JP2009528910A JP4884533B2 (ja) 2007-08-22 2007-08-22 トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム
PCT/JP2007/066245 WO2009025036A1 (ja) 2007-08-22 2007-08-22 トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/066245 WO2009025036A1 (ja) 2007-08-22 2007-08-22 トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム

Publications (1)

Publication Number Publication Date
WO2009025036A1 true WO2009025036A1 (ja) 2009-02-26

Family

ID=40377947

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/066245 WO2009025036A1 (ja) 2007-08-22 2007-08-22 トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム

Country Status (3)

Country Link
US (1) US20110141866A1 (ja)
JP (1) JP4884533B2 (ja)
WO (1) WO2009025036A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014045411A1 (ja) * 2012-09-21 2014-03-27 株式会社 東芝 情報記録再生装置および情報記録再生方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148433A (ja) * 1986-12-11 1988-06-21 Pioneer Electronic Corp トラツキングエラ−信号生成装置
JP2000251283A (ja) * 1999-03-03 2000-09-14 Texas Instr Japan Ltd トラッキングエラー信号検出回路
JP2004319072A (ja) * 2003-04-02 2004-11-11 Matsushita Electric Ind Co Ltd トラッキング誤差検出装置
JP2006012270A (ja) * 2004-06-24 2006-01-12 Sony Corp 信号間振幅差調整回路およびトラッキング誤差検出器
JP2006260645A (ja) * 2005-03-16 2006-09-28 Texas Instr Japan Ltd トラッキングエラー検出方法、トラッキングサーボ方法、トラッキングエラー検出回路、トラッキングサーボ回路、並びにディジタル信号の位相差検出方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258968A (en) * 1986-12-11 1993-11-02 Pioneer Electronic Corporation Tracking error signal generating device for preventing offset of the generated tracking error signal
JP4001431B2 (ja) * 1999-03-24 2007-10-31 パイオニア株式会社 光ピックアップのトラッキング制御装置、及び光ピックアップのトラッキング制御方法
JP2004259384A (ja) * 2003-02-26 2004-09-16 Toshiba Corp 光ディスク装置のトラッキング誤差検出装置
TWI269284B (en) * 2003-04-02 2006-12-21 Matsushita Electric Ind Co Ltd Detecting device for tracing error
JP4032310B2 (ja) * 2004-06-03 2008-01-16 ソニー株式会社 トラッキング誤差検出器
JP2006048763A (ja) * 2004-07-30 2006-02-16 Toshiba Corp 情報記録媒体、情報記録再生装置及び情報管理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148433A (ja) * 1986-12-11 1988-06-21 Pioneer Electronic Corp トラツキングエラ−信号生成装置
JP2000251283A (ja) * 1999-03-03 2000-09-14 Texas Instr Japan Ltd トラッキングエラー信号検出回路
JP2004319072A (ja) * 2003-04-02 2004-11-11 Matsushita Electric Ind Co Ltd トラッキング誤差検出装置
JP2006012270A (ja) * 2004-06-24 2006-01-12 Sony Corp 信号間振幅差調整回路およびトラッキング誤差検出器
JP2006260645A (ja) * 2005-03-16 2006-09-28 Texas Instr Japan Ltd トラッキングエラー検出方法、トラッキングサーボ方法、トラッキングエラー検出回路、トラッキングサーボ回路、並びにディジタル信号の位相差検出方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014045411A1 (ja) * 2012-09-21 2014-03-27 株式会社 東芝 情報記録再生装置および情報記録再生方法

Also Published As

Publication number Publication date
JP4884533B2 (ja) 2012-02-29
US20110141866A1 (en) 2011-06-16
JPWO2009025036A1 (ja) 2010-11-18

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