FR2385170B1 - INFORMATION RECORDING METHOD AND APPARATUS - Google Patents

INFORMATION RECORDING METHOD AND APPARATUS

Info

Publication number
FR2385170B1
FR2385170B1 FR7808506A FR7808506A FR2385170B1 FR 2385170 B1 FR2385170 B1 FR 2385170B1 FR 7808506 A FR7808506 A FR 7808506A FR 7808506 A FR7808506 A FR 7808506A FR 2385170 B1 FR2385170 B1 FR 2385170B1
Authority
FR
France
Prior art keywords
information recording
recording method
information
recording
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
Application number
FR7808506A
Other languages
French (fr)
Other versions
FR2385170A1 (en
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.)
LASER FILE Inc
Original Assignee
LASER FILE 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
Application filed by LASER FILE Inc filed Critical LASER FILE Inc
Publication of FR2385170A1 publication Critical patent/FR2385170A1/en
Application granted granted Critical
Publication of FR2385170B1 publication Critical patent/FR2385170B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • 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
    • G11B7/08—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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—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 discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/04—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electric resistance; Record carriers therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21—Intermediate information storage
    • H04N1/2166—Intermediate information storage for mass storage, e.g. in document filing systems
    • H04N1/217—Interfaces allowing access to a single user
    • H04N1/2175—Interfaces allowing access to a single user with local image input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
FR7808506A 1977-03-24 1978-03-23 INFORMATION RECORDING METHOD AND APPARATUS Expired FR2385170B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78105677A 1977-03-24 1977-03-24

Publications (2)

Publication Number Publication Date
FR2385170A1 FR2385170A1 (en) 1978-10-20
FR2385170B1 true FR2385170B1 (en) 1985-08-09

Family

ID=25121529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7808506A Expired FR2385170B1 (en) 1977-03-24 1978-03-23 INFORMATION RECORDING METHOD AND APPARATUS

Country Status (9)

Country Link
JP (1) JPS53119005A (en)
AU (1) AU520835B2 (en)
BR (1) BR7801789A (en)
CA (1) CA1115838A (en)
DE (1) DE2812886A1 (en)
FR (1) FR2385170B1 (en)
GB (1) GB1602893A (en)
NL (1) NL7803200A (en)
SE (1) SE438929B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205339A (en) * 1978-07-20 1980-05-27 Eastman Kodak Company Frame storage and retrieval wherein the frame fields are quadrature amplitude modulated on a single carrier
BE871326A (en) * 1978-10-23 1979-04-17 Mca Disco Vision METHOD AND DEVICE FOR RECORDING AND REPRODUCING A VIDEO SIGNAL.
USRE32431E (en) * 1978-11-16 1987-06-02 Discovision Associates System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
US4229808A (en) * 1978-12-21 1980-10-21 Ncr Corporation Method for recording multiple data segments on a storage disc with eccentricity factor
US4264986A (en) * 1979-03-12 1981-04-28 Willis Craig I Information-recording process & apparatus
US4290122A (en) * 1979-05-14 1981-09-15 Xerox Corporation Self-synchronizing clock source for optical memories
US4268840A (en) * 1979-07-27 1981-05-19 Xerox Corporation Optical recording member
JPS5621893A (en) * 1979-07-27 1981-02-28 Xerox Corp Optical recording part
JPS57208639A (en) * 1981-06-18 1982-12-21 Toshiba Corp Recording method of disk
JPS58194149A (en) * 1982-05-08 1983-11-12 Asahi Optical Co Ltd Information reader from optical recording carrier
CA1198209A (en) * 1983-11-24 1985-12-17 Northern Telecom Limited Optical disc
JPS60236119A (en) * 1984-05-09 1985-11-22 Toshiba Corp Optical information recording and reproducing device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE702967C (en) * 1938-03-15 1941-02-20 Ernst Bergmann Method for recording and playing back optical sound recordings
US3365706A (en) * 1964-04-15 1968-01-23 Gilbert W. King Photo-optical data storage and retrieval system employing error detection and error location identification components
FR1471797A (en) * 1965-03-20 1967-03-03 Bosch Gmbh Robert Method and device for recording information
US3665483A (en) * 1969-06-06 1972-05-23 Chase Manhattan Capital Corp Laser recording medium
US3774172A (en) * 1972-03-23 1973-11-20 D Silverman Random access multiple disc optical information storage system
FR2212070A6 (en) * 1972-08-25 1974-07-19 Thomson Csf
NL7212015A (en) * 1972-09-04 1974-03-06
NL174591C (en) * 1973-02-09 1984-07-02 Philips Nv DISC REGISTRATION CARRIER BODY.
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
NL165316C (en) * 1973-10-01 1981-03-16 Mca Disco Vision METHOD FOR MANUFACTURING A WRITTEN VIDEO PRINTING DIES FROM A MOTHER'S DISC.
JPS50136051A (en) * 1974-04-15 1975-10-28
JPS5444524B2 (en) * 1974-09-13 1979-12-26
JPS5842527B2 (en) * 1975-02-08 1983-09-20 ティアック株式会社 Disk Jiyouki Rokubaitaiheno Jiyouhoushingounokirokuhouhou
DE2522405C2 (en) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Multi-channel optical disk storage system for storing digital information
FR2366636A1 (en) * 1976-10-01 1978-04-28 Thomson Brandt DEVICE FOR OPTICAL RECORDING OF INFORMATION ON A MEDIA WITH SLAVE OF THE POSITION OF THE RECORDING TASK ON THE INFORMATION MEDIA

Also Published As

Publication number Publication date
AU520835B2 (en) 1982-03-04
DE2812886A1 (en) 1978-10-26
JPS6244333B2 (en) 1987-09-19
BR7801789A (en) 1979-01-02
AU3423278A (en) 1979-09-20
SE7803292L (en) 1978-09-25
NL7803200A (en) 1978-09-26
JPS53119005A (en) 1978-10-18
GB1602893A (en) 1981-11-18
FR2385170A1 (en) 1978-10-20
CA1115838A (en) 1982-01-05
SE438929B (en) 1985-05-13

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Legal Events

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