ATE298454T1 - Beschreibbares optisches laufwerk mit dynamisch variabler lineargeschwindigkeit, um zwischenspeicherunterlauf zu vermeiden - Google Patents

Beschreibbares optisches laufwerk mit dynamisch variabler lineargeschwindigkeit, um zwischenspeicherunterlauf zu vermeiden

Info

Publication number
ATE298454T1
ATE298454T1 AT00922198T AT00922198T ATE298454T1 AT E298454 T1 ATE298454 T1 AT E298454T1 AT 00922198 T AT00922198 T AT 00922198T AT 00922198 T AT00922198 T AT 00922198T AT E298454 T1 ATE298454 T1 AT E298454T1
Authority
AT
Austria
Prior art keywords
optical drive
disc
buffer
linear speed
optical
Prior art date
Application number
AT00922198T
Other languages
English (en)
Inventor
Noboru Sugie
Akihiro Niimura
Original Assignee
Mitsumi Electric Co Ltd
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 Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Application granted granted Critical
Publication of ATE298454T1 publication Critical patent/ATE298454T1/de

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1258—Formatting, e.g. arrangement of data block or words on the record carriers on discs where blocks are arranged within multiple radial zones, e.g. Zone Bit Recording or Constant Density Recording discs, MCAV discs, MCLV discs
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
    • G11B2020/10814—Data buffering arrangements, e.g. recording or playback buffers involving specific measures to prevent a buffer underrun
    • 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
    • G11B7/0045—Recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Rotational Drive Of Disk (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Optical Communication System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT00922198T 1999-04-15 2000-04-14 Beschreibbares optisches laufwerk mit dynamisch variabler lineargeschwindigkeit, um zwischenspeicherunterlauf zu vermeiden ATE298454T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12966199P 1999-04-15 1999-04-15
PCT/US2000/010033 WO2000063897A1 (en) 1999-04-15 2000-04-14 Writable optical drive with dynamically variable linear velocity to prevent buffer under-run

Publications (1)

Publication Number Publication Date
ATE298454T1 true ATE298454T1 (de) 2005-07-15

Family

ID=22441014

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00922198T ATE298454T1 (de) 1999-04-15 2000-04-14 Beschreibbares optisches laufwerk mit dynamisch variabler lineargeschwindigkeit, um zwischenspeicherunterlauf zu vermeiden

Country Status (5)

Country Link
EP (1) EP1169700B1 (de)
JP (1) JP2002542561A (de)
AT (1) ATE298454T1 (de)
DE (1) DE60020949T2 (de)
WO (1) WO2000063897A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002157825A (ja) * 2000-11-21 2002-05-31 Ricoh Co Ltd 情報記録装置
US6894967B2 (en) * 2000-11-21 2005-05-17 Yamaha Corporation Optical disk recorder for writing data with variable density
JP3711902B2 (ja) 2001-07-30 2005-11-02 ヤマハ株式会社 光ディスク記録における記録密度決定方法
US7193941B2 (en) * 2002-03-29 2007-03-20 Matsushita Electric Industrial Co., Ltd. Optical disc drive with clock synchronization and rotational speed detection
KR20040004733A (ko) * 2002-07-05 2004-01-14 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크 장치에서의 데이터 기록속도 조절방법
CN1296909C (zh) * 2002-08-19 2007-01-24 联发科技股份有限公司 具不同烧录速率的光盘烧录控制方法与装置
KR100599128B1 (ko) * 2004-07-08 2006-07-12 삼성전자주식회사 광디스크 재생장치 및 그의 최적 재생속도 결정방법
US8077569B2 (en) * 2008-05-05 2011-12-13 Mediatek Inc. Methods and devices for controlling access to an optical disc
JP5329853B2 (ja) * 2008-06-25 2013-10-30 ティアック株式会社 光ディスク装置及びこれを備える光ディスク処理システム
JP5329854B2 (ja) 2008-06-25 2013-10-30 ティアック株式会社 光ディスク装置及びこれを備える光ディスク処理システム
KR20130111519A (ko) 2010-06-10 2013-10-10 콘티넨탈 테베스 아게 운트 코. 오하게 코스타스 루프를 포함하는 속도 센서
US8907655B2 (en) 2011-04-29 2014-12-09 Analog Devices, Inc. System and method for detecting a fundamental frequency of an electric power system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2896925B2 (ja) * 1990-09-04 1999-05-31 三菱電機株式会社 光ディスク記録装置
JP2601122B2 (ja) * 1993-02-18 1997-04-16 松下電器産業株式会社 光ディスク装置及び光ディスク
WO1994019800A1 (fr) * 1993-02-22 1994-09-01 Sony Corporation Appareil a disque optique
JPH06309801A (ja) * 1993-04-28 1994-11-04 Toshiba Corp ディスク記録再生方式
JPH10293961A (ja) * 1997-04-21 1998-11-04 Ricoh Co Ltd 光ディスク記録装置
JPH10302387A (ja) * 1997-04-23 1998-11-13 Ricoh Co Ltd 光ディスク記録装置

Also Published As

Publication number Publication date
WO2000063897A1 (en) 2000-10-26
JP2002542561A (ja) 2002-12-10
DE60020949T2 (de) 2006-05-11
EP1169700A1 (de) 2002-01-09
DE60020949D1 (de) 2005-07-28
EP1169700B1 (de) 2005-06-22
EP1169700A4 (de) 2003-05-14

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Legal Events

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