GB2149559B - Data storage system - Google Patents

Data storage system

Info

Publication number
GB2149559B
GB2149559B GB08331016A GB8331016A GB2149559B GB 2149559 B GB2149559 B GB 2149559B GB 08331016 A GB08331016 A GB 08331016A GB 8331016 A GB8331016 A GB 8331016A GB 2149559 B GB2149559 B GB 2149559B
Authority
GB
United Kingdom
Prior art keywords
data storage
storage system
data
storage
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
GB08331016A
Other versions
GB2149559A (en
GB8331016D0 (en
Inventor
Robert Martin Pettigrew
Victor Carey Humberstone
Keith Gardner
Robert James Longman
Peter Roy Helfet
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.)
Comtech Research Unit Ltd
Original Assignee
Comtech Research Unit 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 Comtech Research Unit Ltd filed Critical Comtech Research Unit Ltd
Priority to GB08331016A priority Critical patent/GB2149559B/en
Publication of GB8331016D0 publication Critical patent/GB8331016D0/en
Priority to PCT/GB1984/000401 priority patent/WO1985002291A1/en
Priority to EP84308053A priority patent/EP0147945A1/en
Priority to JP59504313A priority patent/JPS61500641A/en
Publication of GB2149559A publication Critical patent/GB2149559A/en
Application granted granted Critical
Publication of GB2149559B publication Critical patent/GB2149559B/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
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
GB08331016A 1983-11-21 1983-11-21 Data storage system Expired GB2149559B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08331016A GB2149559B (en) 1983-11-21 1983-11-21 Data storage system
PCT/GB1984/000401 WO1985002291A1 (en) 1983-11-21 1984-11-21 Data storage medium
EP84308053A EP0147945A1 (en) 1983-11-21 1984-11-21 Data storage medium
JP59504313A JPS61500641A (en) 1983-11-21 1984-11-21 data storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08331016A GB2149559B (en) 1983-11-21 1983-11-21 Data storage system

Publications (3)

Publication Number Publication Date
GB8331016D0 GB8331016D0 (en) 1983-12-29
GB2149559A GB2149559A (en) 1985-06-12
GB2149559B true GB2149559B (en) 1988-06-02

Family

ID=10552097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08331016A Expired GB2149559B (en) 1983-11-21 1983-11-21 Data storage system

Country Status (2)

Country Link
JP (1) JPS61500641A (en)
GB (1) GB2149559B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906728A (en) * 1979-09-10 1981-03-12 Philips Nv OPTICAL REGISTRATION DISC.
US4422159A (en) * 1981-09-03 1983-12-20 Bell Telephone Laboratories, Incorporated Optical information storage and retrieval

Also Published As

Publication number Publication date
GB2149559A (en) 1985-06-12
GB8331016D0 (en) 1983-12-29
JPS61500641A (en) 1986-04-03

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