DE3751969T2 - Gerät zur Aufnahme/Wiedergabe von optischen Daten - Google Patents

Gerät zur Aufnahme/Wiedergabe von optischen Daten

Info

Publication number
DE3751969T2
DE3751969T2 DE3751969T DE3751969T DE3751969T2 DE 3751969 T2 DE3751969 T2 DE 3751969T2 DE 3751969 T DE3751969 T DE 3751969T DE 3751969 T DE3751969 T DE 3751969T DE 3751969 T2 DE3751969 T2 DE 3751969T2
Authority
DE
Germany
Prior art keywords
recording
optical data
reproducing optical
reproducing
data
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 - Lifetime
Application number
DE3751969T
Other languages
English (en)
Other versions
DE3751969D1 (de
Inventor
Isao Satoh
Yuzuru Kuroki
Makoto Ichinose
Katsumi Murai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP61217425A external-priority patent/JPS6371930A/ja
Priority claimed from JP61217426A external-priority patent/JPS6371931A/ja
Priority claimed from JP61229005A external-priority patent/JPS6383923A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3751969D1 publication Critical patent/DE3751969D1/de
Publication of DE3751969T2 publication Critical patent/DE3751969T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B20/182—Testing using test patterns
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE3751969T 1986-09-16 1987-09-14 Gerät zur Aufnahme/Wiedergabe von optischen Daten Expired - Lifetime DE3751969T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61217425A JPS6371930A (ja) 1986-09-16 1986-09-16 光情報記録再生装置
JP61217426A JPS6371931A (ja) 1986-09-16 1986-09-16 光情報記録再生装置
JP61229005A JPS6383923A (ja) 1986-09-26 1986-09-26 光情報記録再生装置

Publications (2)

Publication Number Publication Date
DE3751969D1 DE3751969D1 (de) 1997-01-16
DE3751969T2 true DE3751969T2 (de) 1997-06-19

Family

ID=27330027

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8787113400T Expired - Lifetime DE3781227T2 (de) 1986-09-16 1987-09-14 Geraet zur aufnahme/wiedergabe von optischen daten.
DE3751969T Expired - Lifetime DE3751969T2 (de) 1986-09-16 1987-09-14 Gerät zur Aufnahme/Wiedergabe von optischen Daten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8787113400T Expired - Lifetime DE3781227T2 (de) 1986-09-16 1987-09-14 Geraet zur aufnahme/wiedergabe von optischen daten.

Country Status (4)

Country Link
US (1) US4789974A (de)
EP (2) EP0464871B1 (de)
KR (1) KR910002321B1 (de)
DE (2) DE3781227T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2635608B2 (ja) * 1987-08-29 1997-07-30 株式会社東芝 光学的情報記憶媒体検査装置
US4998233A (en) * 1988-02-12 1991-03-05 International Business Machines Corporation Acquiring focus in optical systems using a focus error signal and a laser drive signal
JPH03222167A (ja) * 1990-01-26 1991-10-01 Matsushita Electric Ind Co Ltd 光情報記録再生装置および光ディスク
JP3103901B2 (ja) * 1991-08-16 2000-10-30 ソニー株式会社 ディスク
JP3225640B2 (ja) * 1992-10-23 2001-11-05 ソニー株式会社 記録装置
JPH06251371A (ja) * 1993-02-26 1994-09-09 Sony Corp ディスク状媒体の欠陥位置指示信号記録装置
US5491704A (en) * 1993-10-21 1996-02-13 Quantum Lerning Systems, Inc. Interactive laser disc system
US5495466A (en) * 1994-01-10 1996-02-27 Eastman Kodak Company Write verification in an optical recording system by sensing mark formation while writing
JP3109708B2 (ja) 1994-05-19 2000-11-20 キヤノン株式会社 光学的情報記録再生装置
TW272279B (de) * 1994-06-22 1996-03-11 Nippon Pickta Kk
US5740356A (en) * 1996-02-01 1998-04-14 Delta Electronics, Inc. Read-error management during retrieving data storage-medium employing a data-retrieving optical beam
US5726965A (en) * 1996-02-29 1998-03-10 Eastman Kodak Company Intersymbol interference detection in an optical recording system using a reflected write signal
EP0911712A1 (de) 1997-10-21 1999-04-28 Deutsche Thomson-Brandt Gmbh Korrigiertes Steuersignal in einem Servosteuersystem
EP0911713B1 (de) * 1997-10-21 2004-09-22 Deutsche Thomson-Brandt Gmbh Korrigiertes Steuersignal in Servo-Regelkreis
KR100280878B1 (ko) * 1997-12-31 2001-02-01 구자홍 광자기 기록매체상의 데이터 재생방법 및 장치
JP3718759B2 (ja) * 1999-01-25 2005-11-24 株式会社日立製作所 レーザ駆動装置および光ディスク記録再生装置
JP3744709B2 (ja) * 1999-02-05 2006-02-15 ローム株式会社 磁気記録再生装置及びそのドライブ用半導体集積回路装置
JP4236078B2 (ja) * 2000-07-04 2009-03-11 パイオニア株式会社 光ピックアップ装置
KR20030065899A (ko) * 2002-02-01 2003-08-09 엘지전자 주식회사 근접장용 광디스크의 오염제거방법
JP4165430B2 (ja) * 2004-02-04 2008-10-15 ソニー株式会社 ディスクドライブ装置及び電子機器
DE102005018461A1 (de) 2005-04-20 2006-10-26 Deutsche Thomson-Brandt Gmbh Fokusregelung für optischen Abtaster
TW200842846A (en) * 2006-10-31 2008-11-01 Koninkl Philips Electronics Nv Optical disc deterioration detection method
US8174943B2 (en) 2007-11-12 2012-05-08 Panasonic Corporation Optical disk device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084201A (en) * 1975-12-02 1978-04-11 Basf Aktiengesellschaft Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control
JPS5483848A (en) * 1977-12-16 1979-07-04 Mitsubishi Electric Corp Automatic focusing device
JPS55108938A (en) * 1979-02-09 1980-08-21 Hitachi Ltd Recording control system
NL7901721A (nl) * 1979-03-05 1980-09-09 Philips Nv Regelsysteem.
DE3237937C2 (de) * 1981-10-15 1986-11-13 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Selbsttätige Maximalausgangsamplituden-Meßvorrichtung in einem magnetischen Aufzeichnungs- und Wiedergabesystem
US4417330A (en) * 1981-10-15 1983-11-22 Burroughs Corporation Optical memory system providing improved focusing control
JPS58199443A (ja) * 1982-05-17 1983-11-19 Matsushita Electric Ind Co Ltd 光学式情報記録装置
JPS58208943A (ja) * 1982-05-28 1983-12-05 Matsushita Electric Ind Co Ltd 光学情報記録装置
NL8300291A (nl) * 1983-01-27 1984-08-16 Philips Nv Inrichting voor het uitlezen van een optische registratiedrager.
WO1985001381A1 (en) * 1983-09-19 1985-03-28 Storage Technology Partners Ii Preformatted diagnostic information recording disk
JPS6113450A (ja) * 1984-06-28 1986-01-21 Matsushita Electric Ind Co Ltd 光学式情報記録再生装置
JPS6116033A (ja) * 1984-07-02 1986-01-24 Matsushita Electric Ind Co Ltd 書換え可能光学的記録再生装置
JPS60167161A (ja) * 1984-12-26 1985-08-30 Matsushita Electric Ind Co Ltd ドロツプアウト検出回路
JPS61198430A (ja) * 1985-02-28 1986-09-02 Canon Inc 光学式情報記録装置

Also Published As

Publication number Publication date
DE3781227D1 (de) 1992-09-24
KR880004444A (ko) 1988-06-04
EP0260637A3 (en) 1989-10-25
EP0260637A2 (de) 1988-03-23
US4789974A (en) 1988-12-06
EP0464871A2 (de) 1992-01-08
DE3781227T2 (de) 1992-12-17
EP0464871B1 (de) 1996-12-04
DE3751969D1 (de) 1997-01-16
KR910002321B1 (ko) 1991-04-11
EP0464871A3 (en) 1993-10-06
EP0260637B1 (de) 1992-08-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)