CA1115838A - Information storage and retrieval system - Google Patents

Information storage and retrieval system

Info

Publication number
CA1115838A
CA1115838A CA299,591A CA299591A CA1115838A CA 1115838 A CA1115838 A CA 1115838A CA 299591 A CA299591 A CA 299591A CA 1115838 A CA1115838 A CA 1115838A
Authority
CA
Canada
Prior art keywords
light beam
modulated light
film
deformable film
recited
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
CA299,591A
Other languages
English (en)
French (fr)
Inventor
Hugh F. Frohbach
Robert E. Myers
Norman A. Peppers
Louis F. Schaefer
Thomas L. Siwecki
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.)
WORLD DEVELOPMENT LABORATORIES
Original Assignee
WORLD DEVELOPMENT LABORATORIES
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 WORLD DEVELOPMENT LABORATORIES filed Critical WORLD DEVELOPMENT LABORATORIES
Application granted granted Critical
Publication of CA1115838A publication Critical patent/CA1115838A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
CA299,591A 1977-03-24 1978-03-23 Information storage and retrieval system Expired CA1115838A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78105677A 1977-03-24 1977-03-24
US781,056 1977-03-24

Publications (1)

Publication Number Publication Date
CA1115838A true CA1115838A (en) 1982-01-05

Family

ID=25121529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299,591A Expired CA1115838A (en) 1977-03-24 1978-03-23 Information storage and retrieval system

Country Status (9)

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

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 (fr) * 1978-10-23 1979-04-17 Mca Disco Vision Procede et dispositif d'enregistrement et de reproduction d'un signal video.
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 (ja) * 1982-05-08 1983-11-12 Asahi Optical Co Ltd 光学的記録担体からの情報読取り装置
CA1198209A (en) * 1983-11-24 1985-12-17 Northern Telecom Limited Optical disc
JPS60236119A (ja) * 1984-05-09 1985-11-22 Toshiba Corp 光学式情報記録再生装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE702967C (de) * 1938-03-15 1941-02-20 Ernst Bergmann Verfahren zur Aufnahme und Wiedergabe von Lichttonaufzeichnungen
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 (fr) * 1965-03-20 1967-03-03 Bosch Gmbh Robert Procédé et dispositif d'enregistrement d'informations
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 (de) * 1972-08-25 1974-07-19 Thomson Csf
NL7212015A (de) * 1972-09-04 1974-03-06
NL174591C (nl) * 1973-02-09 1984-07-02 Philips Nv Schijfvormig registratiedragerlichaam.
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
NL165316C (nl) * 1973-10-01 1981-03-16 Mca Disco Vision Werkwijze voor de vervaardiging van een schrijfvormige video-afdrukmatrijs uitgaande van een moederschijf.
JPS50136051A (de) * 1974-04-15 1975-10-28
JPS5444524B2 (de) * 1974-09-13 1979-12-26
JPS5842527B2 (ja) * 1975-02-08 1983-09-20 ティアック株式会社 デイスクジヨウキロクバイタイヘノ ジヨウホウシンゴウノキロクホウホウ
DE2522405C2 (de) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information
FR2366636A1 (fr) * 1976-10-01 1978-04-28 Thomson Brandt Dispositif d'enregistrement optique d'information sur un support avec asservissement de la position de la tache d'enregistrement sur le support d'information

Also Published As

Publication number Publication date
AU520835B2 (en) 1982-03-04
DE2812886A1 (de) 1978-10-26
JPS6244333B2 (de) 1987-09-19
BR7801789A (pt) 1979-01-02
AU3423278A (en) 1979-09-20
SE7803292L (sv) 1978-09-25
FR2385170B1 (fr) 1985-08-09
NL7803200A (nl) 1978-09-26
JPS53119005A (en) 1978-10-18
GB1602893A (en) 1981-11-18
FR2385170A1 (fr) 1978-10-20
SE438929B (sv) 1985-05-13

Similar Documents

Publication Publication Date Title
US4410968A (en) Method and apparatus for recording on a disk supported deformable metallic film
US4001840A (en) Non-photographic, digital laser image recording
US3314074A (en) Coherent light beam recorder
US4486870A (en) Optical data storage
US3842197A (en) Flexible holographic record disc reproducing system
CA1138107A (en) Acousto-optic pulse imaging system
US4282598A (en) Video disc read back scanner
CA1115838A (en) Information storage and retrieval system
JPH0863774A (ja) 電気情報信号を記録する装置
JP2002502057A (ja) フォーマットホログラムの選択的局所変性による光データ書込
JPS6034754B2 (ja) ホログラム記録装置
JPH0121543B2 (de)
KR101717303B1 (ko) 다층 광학 데이터 저장 매체의 이중-빔 기록 및 판독을 위한 시스템과 방법
US5789743A (en) Optical scanning device, and apparatus provided with such a device, employing scanning element having reflective measuring reference face
US6594220B1 (en) Volume holographic memory and optical information recording/reproducing apparatus
JPH11120609A (ja) 複素入射ビームの制御システム
US3959581A (en) Self-compensating focus system for optical video playback device
US4122551A (en) Optical data storage and retrieval system
US3932701A (en) Self-compensating focus system for a reflective video disc
KR930012147B1 (ko) 광테이프의 기록 및/또는 재생장치
GB1565829A (en) Record medium and method and apparatus for recording information from said record medium
Satoh et al. Holographic disk recording of digital data with fringe stabilization
JP3175153B2 (ja) 光ディスク信号記録方法及び装置
JPS6334529B2 (de)
KR100263492B1 (ko) 홀로그램데이터기억장치

Legal Events

Date Code Title Description
MKEX Expiry