FR2575857B1 - APPARATUS FOR OPTICAL INFORMATION STORAGE - Google Patents

APPARATUS FOR OPTICAL INFORMATION STORAGE

Info

Publication number
FR2575857B1
FR2575857B1 FR8517691A FR8517691A FR2575857B1 FR 2575857 B1 FR2575857 B1 FR 2575857B1 FR 8517691 A FR8517691 A FR 8517691A FR 8517691 A FR8517691 A FR 8517691A FR 2575857 B1 FR2575857 B1 FR 2575857B1
Authority
FR
France
Prior art keywords
information storage
optical information
optical
storage
information
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
FR8517691A
Other languages
French (fr)
Other versions
FR2575857A1 (en
Inventor
Ashinuma Takaaki
Aoi Shigeru
Shiho Makoto
Suzuki Yasuo
Shibata Tekehiko
Tsukada Masaharu
Kasama Nobuhiro
Aizawa Takayuki
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP59252382A external-priority patent/JP2607359B2/en
Priority claimed from JP25579684A external-priority patent/JPS61134926A/en
Priority claimed from JP25928184A external-priority patent/JPS61137276A/en
Priority claimed from JP25928084A external-priority patent/JPS61137275A/en
Priority claimed from JP26254184A external-priority patent/JPS61139977A/en
Priority claimed from JP59262540A external-priority patent/JPS61139939A/en
Priority claimed from JP26254284A external-priority patent/JPS61139983A/en
Priority claimed from JP28064584A external-priority patent/JPS61156576A/en
Priority claimed from JP28084784A external-priority patent/JPS61160854A/en
Priority claimed from JP145385A external-priority patent/JPS61160838A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2575857A1 publication Critical patent/FR2575857A1/en
Publication of FR2575857B1 publication Critical patent/FR2575857B1/en
Application granted granted Critical
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
    • G11B7/12—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • 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
    • G11B7/08—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • 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
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/211—Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
    • 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
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • 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
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
FR8517691A 1984-11-29 1985-11-29 APPARATUS FOR OPTICAL INFORMATION STORAGE Expired - Lifetime FR2575857B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP59252382A JP2607359B2 (en) 1984-11-29 1984-11-29 Information playback device
JP25579684A JPS61134926A (en) 1984-12-05 1984-12-05 Optical information recording and reproducing device
JP25928084A JPS61137275A (en) 1984-12-10 1984-12-10 Discriminating method of recording medium
JP25928184A JPS61137276A (en) 1984-12-10 1984-12-10 Discriminating method of recording medium
JP26254184A JPS61139977A (en) 1984-12-12 1984-12-12 Optical information recording and reproducing device
JP59262540A JPS61139939A (en) 1984-12-12 1984-12-12 Optical information recording and reproducing device
JP26254284A JPS61139983A (en) 1984-12-12 1984-12-12 Optical information recording and reproducing device
JP28064584A JPS61156576A (en) 1984-12-27 1984-12-27 Optical information recording and reproducing device
JP28084784A JPS61160854A (en) 1984-12-30 1984-12-30 Optical information recording and reproducing device
JP145385A JPS61160838A (en) 1985-01-10 1985-01-10 Optical information recording and reproducing device

Publications (2)

Publication Number Publication Date
FR2575857A1 FR2575857A1 (en) 1986-07-11
FR2575857B1 true FR2575857B1 (en) 1995-03-03

Family

ID=27579463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8517691A Expired - Lifetime FR2575857B1 (en) 1984-11-29 1985-11-29 APPARATUS FOR OPTICAL INFORMATION STORAGE

Country Status (1)

Country Link
FR (1) FR2575857B1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949326A (en) * 1986-12-10 1990-08-14 Matsushita Electric Industrial Co., Ltd. Optical information recording and reproducing system using optical disks having an error correction function
US4821253A (en) * 1986-12-19 1989-04-11 Matsushita Electric Industrial Co., Ltd. Optical disk and optical disk apparatus with error correction
JPS63109366U (en) * 1986-12-27 1988-07-14
NL8800170A (en) * 1988-01-26 1989-08-16 Philips Nv OPTICALLY READABLE RECORD CARRIER OF THE DESCRIBABLE TYPE AND OPTICAL READING DEVICE FOR READING SUCH REGISTRATION CARRIER.
JPH01199323A (en) * 1988-02-03 1989-08-10 Toshiba Corp Information processor
US5202874A (en) * 1988-11-17 1993-04-13 Deutsche Thomson-Brandt Gmbh Circuit arrangement for identifying the type of an optical record carrier
JPH03116531A (en) * 1989-09-29 1991-05-17 Toshiba Corp Optical disk device
JPH03116539A (en) * 1989-09-29 1991-05-17 Toshiba Corp Disk device
JP2809835B2 (en) * 1990-07-30 1998-10-15 松下電器産業株式会社 Optical disk device and optical disk
JPH0512784A (en) * 1991-07-03 1993-01-22 Pioneer Electron Corp Signal format discriminating method of disk player
EP0708962B1 (en) * 1993-06-11 1999-10-20 Kabushiki Kaisha Toshiba Optical recording medium and recording system
US5903538A (en) * 1994-12-14 1999-05-11 Matsushita Electric Industrial Co., Ltd. Automatic disk change apparatus and disk tray for the apparatus
US5581540A (en) * 1995-02-08 1996-12-03 International Business Machines Corporation Single disk write protection system for multiple-disk cartridge
JP3525572B2 (en) * 1995-09-12 2004-05-10 松下電器産業株式会社 Automatic medium exchange device and recording / reproducing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55113170A (en) * 1980-01-07 1980-09-01 Hitachi Ltd Record size detection circuit
US4292511A (en) * 1980-04-21 1981-09-29 Rca Corporation Apparatus and method for reading an identifying label on an information record
JPS5942653A (en) * 1982-09-02 1984-03-09 Toshiba Corp Optical disk
JPS60251557A (en) * 1984-05-28 1985-12-12 Matsushita Electric Ind Co Ltd Optical recorder and reproducing device

Also Published As

Publication number Publication date
FR2575857A1 (en) 1986-07-11

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