GB942939A - Improvements in rapid access digital data storage system - Google Patents

Improvements in rapid access digital data storage system

Info

Publication number
GB942939A
GB942939A GB21974/60A GB2197460A GB942939A GB 942939 A GB942939 A GB 942939A GB 21974/60 A GB21974/60 A GB 21974/60A GB 2197460 A GB2197460 A GB 2197460A GB 942939 A GB942939 A GB 942939A
Authority
GB
United Kingdom
Prior art keywords
data
sub
block
photomultipliers
blocks
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
GB21974/60A
Other languages
English (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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB942939A publication Critical patent/GB942939A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
    • 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
    • G11B27/32—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 separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—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 separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB21974/60A 1959-06-25 1960-06-23 Improvements in rapid access digital data storage system Expired GB942939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US822931A US3121216A (en) 1959-06-25 1959-06-25 Quick access reference data file

Publications (1)

Publication Number Publication Date
GB942939A true GB942939A (en) 1963-11-27

Family

ID=25237358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21974/60A Expired GB942939A (en) 1959-06-25 1960-06-23 Improvements in rapid access digital data storage system

Country Status (6)

Country Link
US (1) US3121216A (enExample)
BE (1) BE592282R (enExample)
CH (1) CH435377A (enExample)
DE (1) DE1424379A1 (enExample)
GB (1) GB942939A (enExample)
SE (1) SE314407B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239602A (en) * 1961-03-20 1966-03-08 Jerome H Lemelson Thermoplastic recording and reproducing apparatus with selective beam erasure
US3226696A (en) * 1962-03-23 1965-12-28 John F Dove Data storage and retrieval system
US3227805A (en) * 1962-08-27 1966-01-04 Jerome H Lemelson Eraseable medium recording apparatus with information indexing
BE632218A (enExample) * 1963-05-31
US3181170A (en) * 1963-07-25 1965-04-27 Northrop Corp Optical display device
US3815094A (en) * 1970-12-15 1974-06-04 Micro Bit Corp Electron beam type computer output on microfilm printer
FR2197495A5 (enExample) * 1972-08-25 1974-03-22 Thomson Csf
US5182743A (en) * 1972-08-25 1993-01-26 Thomson-Csf Optical disk arrangement with diffractive tracks allowing positional control
GB1458002A (en) * 1972-12-10 1976-12-08 Decca Ltd Recording

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707162A (en) * 1951-10-09 1955-04-26 Julius Cato Vredenburg Inglesb Recording of electronic images
NL99543C (enExample) * 1952-09-05
US2885539A (en) * 1955-06-14 1959-05-05 Julian A Mcdermott Portable warning lamp
NL212600A (enExample) * 1955-10-18
US3144637A (en) * 1955-11-10 1964-08-11 Itt Recording system
NL229985A (enExample) * 1957-08-05
FR84703E (enExample) * 1958-08-25 1965-07-12

Also Published As

Publication number Publication date
DE1424379A1 (de) 1969-03-20
BE592282R (fr) 1960-10-17
SE314407B (enExample) 1969-09-08
CH435377A (de) 1967-05-15
US3121216A (en) 1964-02-11

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