DE69410850T2 - Fehlstellungssignalanzeigeaufzeichnungsgerät auf Plattenmedium - Google Patents

Fehlstellungssignalanzeigeaufzeichnungsgerät auf Plattenmedium

Info

Publication number
DE69410850T2
DE69410850T2 DE69410850T DE69410850T DE69410850T2 DE 69410850 T2 DE69410850 T2 DE 69410850T2 DE 69410850 T DE69410850 T DE 69410850T DE 69410850 T DE69410850 T DE 69410850T DE 69410850 T2 DE69410850 T2 DE 69410850T2
Authority
DE
Germany
Prior art keywords
disk medium
signal display
display recorder
malposition
malposition signal
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 - Fee Related
Application number
DE69410850T
Other languages
English (en)
Other versions
DE69410850D1 (de
Inventor
Shinji Kaneko
Kan Ebisawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE69410850D1 publication Critical patent/DE69410850D1/de
Application granted granted Critical
Publication of DE69410850T2 publication Critical patent/DE69410850T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • 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
    • G11B7/0948—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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69410850T 1993-02-26 1994-02-24 Fehlstellungssignalanzeigeaufzeichnungsgerät auf Plattenmedium Expired - Fee Related DE69410850T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5038953A JPH06251371A (ja) 1993-02-26 1993-02-26 ディスク状媒体の欠陥位置指示信号記録装置

Publications (2)

Publication Number Publication Date
DE69410850D1 DE69410850D1 (de) 1998-07-16
DE69410850T2 true DE69410850T2 (de) 1998-10-08

Family

ID=12539569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410850T Expired - Fee Related DE69410850T2 (de) 1993-02-26 1994-02-24 Fehlstellungssignalanzeigeaufzeichnungsgerät auf Plattenmedium

Country Status (5)

Country Link
US (1) US5471449A (de)
EP (1) EP0613137B1 (de)
JP (1) JPH06251371A (de)
KR (1) KR940020320A (de)
DE (1) DE69410850T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US5743262A (en) * 1995-06-07 1998-04-28 Masimo Corporation Blood glucose monitoring system
JP3029399B2 (ja) * 1996-03-25 2000-04-04 株式会社東芝 交替処理方法
JP3113201B2 (ja) * 1996-03-25 2000-11-27 株式会社東芝 交替処理方法
JP3029400B2 (ja) * 1996-03-25 2000-04-04 株式会社東芝 交替処理方法
JP3113200B2 (ja) * 1996-03-25 2000-11-27 株式会社東芝 交替処理方法
JP2848809B2 (ja) * 1996-03-25 1999-01-20 株式会社東芝 交替処理方法
KR100425437B1 (ko) * 1997-01-17 2004-07-16 삼성전자주식회사 반사율이 낮은 cd-rom 디스크 리드 장치 및 방법
US6891868B2 (en) * 2001-05-08 2005-05-10 Plasmon Lms, Inc. Laser driver with noise reduction feedback for optical storage applications
JP4056721B2 (ja) * 2001-09-12 2008-03-05 株式会社リコー 情報記録装置
JP3931774B2 (ja) * 2002-09-20 2007-06-20 松下電器産業株式会社 欠陥検出装置
KR100970722B1 (ko) 2003-08-08 2010-07-16 삼성전자주식회사 레이저 다이오드 구동 회로 및 그를 포함하는 레이저다이오드 제어 장치
JP4155189B2 (ja) * 2003-12-25 2008-09-24 株式会社日立製作所 光ディスク装置及びデータ再生方法
JP2007299471A (ja) * 2006-04-28 2007-11-15 Fujitsu Ltd 再生装置製造方法、記録媒体および検査プログラム
JP4783481B1 (ja) * 2010-02-18 2011-09-28 パナソニック株式会社 超音波測定方法および超音波測定装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980878A (en) * 1981-02-02 1990-12-25 Discovision Associates Method and apparatus for scanning a recording medium for defects
JPS5940326A (ja) * 1982-08-30 1984-03-06 Hitachi Ltd デイスク再生装置
JPS61145743A (ja) * 1984-12-19 1986-07-03 Fujitsu Ltd 光デイスク媒体の欠陥検出方法
JPS62223817A (ja) * 1986-03-26 1987-10-01 Yamaha Corp 光デイスク再生装置のドロツプアウト検出装置
JP2574765B2 (ja) * 1986-07-09 1997-01-22 株式会社日立製作所 光磁気デイスク装置
US4789974A (en) * 1986-09-16 1988-12-06 Matsushita Electric Industrial Co., Ltd. Optical information recording/reproducing apparatus
US5184343A (en) * 1991-05-06 1993-02-02 Johann Donald F Compensation for dust on an optical disk by increasing laser writing power

Also Published As

Publication number Publication date
US5471449A (en) 1995-11-28
EP0613137A3 (de) 1995-02-22
EP0613137A2 (de) 1994-08-31
DE69410850D1 (de) 1998-07-16
JPH06251371A (ja) 1994-09-09
EP0613137B1 (de) 1998-06-10
KR940020320A (ko) 1994-09-15

Similar Documents

Publication Publication Date Title
DE69410850T2 (de) Fehlstellungssignalanzeigeaufzeichnungsgerät auf Plattenmedium
DE69634017D1 (de) Signalsaufzeichnungsmedien
DE69424605D1 (de) Plattenaufzeichnungs-/wiedergabevorrichtung
DE69322443D1 (de) Optisches Informationsaufzeichnungsmedium
DE69429602T2 (de) Informationsaufzeichnungsmedium
DE69421748D1 (de) Plattenaufzeichnungs-/wiedergabesystem
DE69724227D1 (de) Informationssignalaufzeichnungsmedium gebrauchendes aufzeichnungsgerät
DE69524176D1 (de) Optisches Informationsaufzeichnungs-/-wiedergabegerät
DE69426171T2 (de) Optisches Informationsaufzeichnungsmedium
DE69324535D1 (de) Informationsaufzeichnungsgerät
DE69419646T2 (de) Signalaufzeichnungs- und Wiedergabegerät
DE69427658D1 (de) Informations-Aufzeichnungs-/Wiedergabevorrichtung
DE69423556T2 (de) Optisches Informationsaufzeichnungsmedium
DE69421029T2 (de) Plattenaufzeichnungsgerät
DE69420645T2 (de) Informationssignalwiedergabe
DE69319055T2 (de) Informationssignalaufzeichnungsgerät
DE69319484D1 (de) Informationssignalaufzeichnungs-/-wiedergabegerät
DE69424814D1 (de) Informationsaufzeichnungsvorrichtung
DE69429749D1 (de) Digitalsignalaufzeichnung/-wiedergabe
DE69425872T2 (de) Datenaufzeichnungsträger
DE69425415D1 (de) Signalwiedergabegerät
KR950002050U (ko) 표준/장시간모드 판별신호 기록/재생장치
DE69428083T2 (de) Optisches Informationsaufzeichnungs-/wiedergabegerät
DE69124713D1 (de) Datensignalaufzeichnungsgerät
DE69421962T2 (de) Signalwiedergabegerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee