FR2508218B1 - Disque optique et appareil a disque optique destine a l'utiliser - Google Patents

Disque optique et appareil a disque optique destine a l'utiliser

Info

Publication number
FR2508218B1
FR2508218B1 FR828210730A FR8210730A FR2508218B1 FR 2508218 B1 FR2508218 B1 FR 2508218B1 FR 828210730 A FR828210730 A FR 828210730A FR 8210730 A FR8210730 A FR 8210730A FR 2508218 B1 FR2508218 B1 FR 2508218B1
Authority
FR
France
Prior art keywords
optical disc
disc apparatus
optical
disc
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
FR828210730A
Other languages
English (en)
Other versions
FR2508218A1 (fr
Inventor
Hiroyasu Murakami
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of FR2508218A1 publication Critical patent/FR2508218A1/fr
Application granted granted Critical
Publication of FR2508218B1 publication Critical patent/FR2508218B1/fr
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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
FR828210730A 1981-06-18 1982-06-18 Disque optique et appareil a disque optique destine a l'utiliser Expired - Lifetime FR2508218B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56094427A JPS57208647A (en) 1981-06-18 1981-06-18 Optical disk for recording of information

Publications (2)

Publication Number Publication Date
FR2508218A1 FR2508218A1 (fr) 1982-12-24
FR2508218B1 true FR2508218B1 (fr) 1992-05-07

Family

ID=14109926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828210730A Expired - Lifetime FR2508218B1 (fr) 1981-06-18 1982-06-18 Disque optique et appareil a disque optique destine a l'utiliser

Country Status (3)

Country Link
US (1) US4761775A (fr)
JP (1) JPS57208647A (fr)
FR (1) FR2508218B1 (fr)

Families Citing this family (39)

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NL8204555A (nl) * 1981-11-25 1983-06-16 Hitachi Ltd Inrichting voor het registreren en weergeven van informatie.
US4456981A (en) * 1982-03-19 1984-06-26 Magnetic Peripherals Inc. Modulation system for optical recording
JPS61208630A (ja) * 1985-03-12 1986-09-17 Matsushita Electric Ind Co Ltd 光デイスク
JP2581663B2 (ja) * 1985-05-02 1997-02-12 株式会社日立製作所 光ディスク
US4881214A (en) * 1986-05-12 1989-11-14 Csk Corporation Data record formatting system and reading/writing system for optical recording medium
US4819218A (en) * 1986-12-19 1989-04-04 Eastman Kodak Company Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal
KR910008503B1 (ko) * 1987-03-13 1991-10-18 미쯔비시덴끼 가부시끼가이샤 광 디스크
JPS6413266A (en) * 1987-07-06 1989-01-18 Csk Corp Optical recording medium
JP2645025B2 (ja) * 1987-09-04 1997-08-25 株式会社日立製作所 光記録再生方法
CA1317374C (fr) * 1987-11-18 1993-05-04 Toshihisa Deguchi Support de memoire optique
US5155718A (en) * 1988-01-25 1992-10-13 Olympus Optical Co., Ltd. Optical record medium reading apparatus having a de-focussed light beam projected on an optical record medium
US5006703A (en) * 1988-02-22 1991-04-09 Victor Company Of Japan, Ltd. Reflective optical rotary encoder disc
JPH01217731A (ja) * 1988-02-25 1989-08-31 Canon Inc 光学的情報記録再生装置
JP2655682B2 (ja) * 1988-06-08 1997-09-24 株式会社日立製作所 光磁気情報記録再生装置
JPH02179926A (ja) * 1988-12-29 1990-07-12 Pioneer Electron Corp 光ディスク記録再生装置
JPH02230567A (ja) * 1989-03-02 1990-09-12 Olympus Optical Co Ltd トラック検索制御装置
US5172353A (en) * 1989-03-02 1992-12-15 Olympus Optical Co., Ltd. Track seeking control apparatus for use in data recording/reproduction systems having data tracks thereon
JPH0646487B2 (ja) * 1989-03-31 1994-06-15 キヤノン株式会社 情報記録再生方法、情報記録再生装置及び情報記録担体
JP2698784B2 (ja) * 1989-07-21 1998-01-19 シャープ株式会社 情報記録再生装置
US5148422A (en) * 1989-08-25 1992-09-15 Sony Corporation Optical recording medium having a data recording track with offset data storing regions
US5182741A (en) * 1989-08-25 1993-01-26 Sharp Kabushiki Kaisha Optical disk recording/reproducing device utilizing a constant angular velocity method with a constant linear velocity formatted optical disk
JPH04149834A (ja) * 1990-10-12 1992-05-22 Pioneer Electron Corp 相変化型光学式情報記録媒体
US5452285A (en) * 1993-09-30 1995-09-19 Polaroid Corporation Uniformly distributed servo data for optical information storage medium
US6272095B1 (en) * 1994-07-22 2001-08-07 California Institute Of Technology Apparatus and method for storing and/or reading data on an optical disk
US6487151B1 (en) 1994-12-20 2002-11-26 Matsushita Electric Industrial Co. Ltd. Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
EP0847046B1 (fr) * 1994-12-20 2001-08-16 Matsushita Electric Industrial Co., Ltd Relation variable entre le signal et l'espacement sur un support d'enregistrement optique
US5615205A (en) * 1995-06-28 1997-03-25 International Business Machines Corporation Bi-level optical media having embossed header format
JP3889457B2 (ja) * 1996-03-13 2007-03-07 パイオニア株式会社 回転制御装置及び回転制御方法
JP3633095B2 (ja) * 1996-04-22 2005-03-30 富士通株式会社 光学的記憶装置
JP2856391B2 (ja) 1996-05-30 1999-02-10 株式会社日立製作所 情報記録方法及び情報記録装置
US6279098B1 (en) 1996-12-16 2001-08-21 Unisys Corporation Method of and apparatus for serial dynamic system partitioning
JP3513017B2 (ja) * 1998-06-30 2004-03-31 株式会社東芝 光記録媒体及びこれを用いた光記録再生装置
US6285636B1 (en) * 1999-01-27 2001-09-04 Texas Instruments Incorporated Optical disc apparatus with lens position detection and control
WO2001009883A1 (fr) * 1999-07-30 2001-02-08 Hitachi, Ltd. Unite de disque optique
US6831885B2 (en) 2000-01-19 2004-12-14 Hitachi, Ltd. Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation
EP2009634A1 (fr) 2000-12-14 2008-12-31 ECD Systems, Inc. Systèmes et procédés de modification de support optique
US7562396B2 (en) 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7643393B2 (en) * 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US7716485B2 (en) * 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
JPS53123980A (en) * 1977-04-05 1978-10-28 Teijin Ltd Instrument for checking tension of running yarn
NL187413C (nl) * 1978-03-16 1991-09-16 Philips Nv Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager.
US4290122A (en) * 1979-05-14 1981-09-15 Xerox Corporation Self-synchronizing clock source for optical memories
JPS5821336B2 (ja) * 1979-06-25 1983-04-28 株式会社日立製作所 光ディスク及び情報記録装置
US4364118A (en) * 1979-06-25 1982-12-14 Hitachi, Ltd. Optical disk and optical information processor
JPS5622227A (en) * 1979-07-31 1981-03-02 Toshiba Corp Information recording system of optical disk
NL8000122A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager.
JPS57111835A (en) * 1980-12-29 1982-07-12 Fujitsu Ltd Optical information recording system
FR2504301A1 (fr) * 1981-04-15 1982-10-22 Thomson Csf Support d'informations mobile et dispositif d'enregistrement-lecture comprenant un tel support
JPS57181429A (en) * 1981-05-01 1982-11-08 Toshiba Corp Optical disc device

Also Published As

Publication number Publication date
JPS57208647A (en) 1982-12-21
JPH0252328B2 (fr) 1990-11-13
FR2508218A1 (fr) 1982-12-24
US4761775A (en) 1988-08-02

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse