KR101161673B1 - 복조 장치, 디스크 드라이브 장치, 위상 조정 방법 - Google Patents

복조 장치, 디스크 드라이브 장치, 위상 조정 방법 Download PDF

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Publication number
KR101161673B1
KR101161673B1 KR1020050010455A KR20050010455A KR101161673B1 KR 101161673 B1 KR101161673 B1 KR 101161673B1 KR 1020050010455 A KR1020050010455 A KR 1020050010455A KR 20050010455 A KR20050010455 A KR 20050010455A KR 101161673 B1 KR101161673 B1 KR 101161673B1
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South Korea
Prior art keywords
reference wave
internal reference
phase
value
signal
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KR1020050010455A
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English (en)
Korean (ko)
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KR20060041717A (ko
Inventor
다쓰시 사노
미쓰루 오카베
다다아키 노모토
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소니 주식회사
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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
    • 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
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
    • 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
    • G11B20/10361—Improvement or modification of read or write signals signal quality assessment digital demodulation process
    • 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
    • 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
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Rotational Drive Of Disk (AREA)
KR1020050010455A 2004-02-05 2005-02-04 복조 장치, 디스크 드라이브 장치, 위상 조정 방법 Expired - Fee Related KR101161673B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004029116A JP4325422B2 (ja) 2004-02-05 2004-02-05 復調装置、ディスクドライブ装置、位相調整方法
JPJP-P-2004-00029116 2004-02-05

Publications (2)

Publication Number Publication Date
KR20060041717A KR20060041717A (ko) 2006-05-12
KR101161673B1 true KR101161673B1 (ko) 2012-07-02

Family

ID=34879180

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050010455A Expired - Fee Related KR101161673B1 (ko) 2004-02-05 2005-02-04 복조 장치, 디스크 드라이브 장치, 위상 조정 방법

Country Status (5)

Country Link
US (1) US7333408B2 (https=)
JP (1) JP4325422B2 (https=)
KR (1) KR101161673B1 (https=)
CN (1) CN100411043C (https=)
TW (1) TWI289296B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI301969B (en) * 2004-10-12 2008-10-11 Mediatek Inc Method and apparatus for detecting a physical mark in a signal read from an optical disk
JP2006236421A (ja) 2005-02-22 2006-09-07 Toshiba Corp 記憶媒体、再生方法及び記録方法
US7411465B2 (en) * 2005-07-15 2008-08-12 Watson Industries, Inc. AGC circuit for the reduction of harmonics in the drive signal
US12107559B2 (en) * 2005-09-27 2024-10-01 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
KR100739749B1 (ko) * 2005-11-03 2007-07-13 삼성전자주식회사 광 디스크 재생을 위해 톱니 파형워블（ｓａｗ－ｔｏｏｔｈ ｗｏｂｂｌｅ） 신호를 검출하는방법 및 장치
JP4172494B2 (ja) 2006-05-09 2008-10-29 ソニー株式会社 復調装置、ディスクドライブ装置、復調方法
US8355302B1 (en) 2006-05-11 2013-01-15 Marvell International Ltd. Offset loop for wobble
JP5983077B2 (ja) * 2012-06-15 2016-08-31 ソニー株式会社 光情報記録媒体および再生装置
US9164134B2 (en) 2012-11-13 2015-10-20 Nvidia Corporation High-resolution phase detector
US9471091B2 (en) * 2012-11-28 2016-10-18 Nvidia Corporation Periodic synchronizer using a reduced timing margin to generate a speculative synchronized output signal that is either validated or recalled
JP2014142978A (ja) * 2013-01-22 2014-08-07 Sony Corp 制御装置および制御方法、ならびに原盤作製装置
JP2017017588A (ja) * 2015-07-02 2017-01-19 富士通株式会社 伝送装置、誤り訂正符号の生成方法及び誤り訂正方法
CN109116771B (zh) * 2017-06-22 2020-07-28 东元电机股份有限公司 控制命令产生方法及其装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001126413A (ja) 1999-11-01 2001-05-11 Ricoh Co Ltd 復調回路及びこれを用いた情報記録再生装置
JP2003123249A (ja) 2001-10-16 2003-04-25 Koninkl Philips Electronics Nv ディスクドライブ装置及びウォブル情報検出方法
JP2003346343A (ja) 2002-05-28 2003-12-05 Sony Corp 復調装置、復調方法及び記録再生装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4534387B2 (ja) * 2001-03-19 2010-09-01 ソニー株式会社 記録装置および方法、再生装置および方法、記録媒体、プログラム、並びにディスク媒体
JP4121265B2 (ja) * 2001-10-16 2008-07-23 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 ディスク状記録媒体、ディスクドライブ装置並びにディスク製造装置及び方法
JP4295474B2 (ja) * 2002-05-24 2009-07-15 ソニー株式会社 ディスク記録媒体、ディスクドライブ装置、ディスク製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001126413A (ja) 1999-11-01 2001-05-11 Ricoh Co Ltd 復調回路及びこれを用いた情報記録再生装置
JP2003123249A (ja) 2001-10-16 2003-04-25 Koninkl Philips Electronics Nv ディスクドライブ装置及びウォブル情報検出方法
JP2003346343A (ja) 2002-05-28 2003-12-05 Sony Corp 復調装置、復調方法及び記録再生装置

Also Published As

Publication number Publication date
TWI289296B (en) 2007-11-01
TW200603082A (en) 2006-01-16
JP2005222608A (ja) 2005-08-18
CN1652238A (zh) 2005-08-10
JP4325422B2 (ja) 2009-09-02
KR20060041717A (ko) 2006-05-12
CN100411043C (zh) 2008-08-13
US7333408B2 (en) 2008-02-19
US20050195511A1 (en) 2005-09-08

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