GB784497A - Improvements in magnetic drum storage devices - Google Patents

Improvements in magnetic drum storage devices

Info

Publication number
GB784497A
GB784497A GB8578/57A GB857857A GB784497A GB 784497 A GB784497 A GB 784497A GB 8578/57 A GB8578/57 A GB 8578/57A GB 857857 A GB857857 A GB 857857A GB 784497 A GB784497 A GB 784497A
Authority
GB
United Kingdom
Prior art keywords
data
head
storage apparatus
storage devices
feb
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
GB8578/57A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB784497A publication Critical patent/GB784497A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/383—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using magnetic or similar elements
    • G06F7/386—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using magnetic or similar elements decimal, radix 20 or 12
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Complex Calculations (AREA)
  • Digital Magnetic Recording (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
GB8578/57A 1953-02-05 1954-02-02 Improvements in magnetic drum storage devices Expired GB784497A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US335202A US2901166A (en) 1953-02-05 1953-02-05 Digital computer
GB3070/54A GB784496A (en) 1953-02-05 1954-02-02 Digital computer

Publications (1)

Publication Number Publication Date
GB784497A true GB784497A (en) 1957-10-09

Family

ID=26237997

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8578/57A Expired GB784497A (en) 1953-02-05 1954-02-02 Improvements in magnetic drum storage devices
GB3070/54A Expired GB784496A (en) 1953-02-05 1954-02-02 Digital computer

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3070/54A Expired GB784496A (en) 1953-02-05 1954-02-02 Digital computer

Country Status (6)

Country Link
US (1) US2901166A (OSRAM)
AT (1) AT185584B (OSRAM)
BE (1) BE526231A (OSRAM)
CH (1) CH339404A (OSRAM)
DE (1) DE1129324B (OSRAM)
GB (2) GB784497A (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927305A (en) * 1951-05-23 1960-03-01 Timing equipment
BE525923A (OSRAM) * 1953-01-23
US3144549A (en) * 1955-03-04 1964-08-11 Burroughs Corp Data storage system
US2982472A (en) * 1955-05-02 1961-05-02 Harry D Huskey Binary digital computer with magnetic drum storage
US2936957A (en) * 1956-01-30 1960-05-17 Smith Corona Marchant Inc Calculating machines
US3201762A (en) * 1957-01-25 1965-08-17 Honeywell Inc Electrical data processing apparatus
US3142820A (en) * 1960-01-20 1964-07-28 Scam Instr Corp Variable monitoring and recording system
US3231864A (en) * 1961-05-11 1966-01-25 Gen Precision Inc Digital computer
US3192365A (en) * 1961-06-13 1965-06-29 Ibm High speed binary divider
US3215987A (en) * 1962-06-04 1965-11-02 Sylvania Electric Prod Electronic data processing
US3546676A (en) * 1963-10-29 1970-12-08 Singer Co Calculator
US3387275A (en) * 1965-04-20 1968-06-04 Air Force Usa Digital detection and storage system
CN112768062A (zh) * 2021-01-26 2021-05-07 武汉大学 提高医疗数值型数据矫正效率的方法、系统及存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2540654A (en) * 1948-03-25 1951-02-06 Engineering Res Associates Inc Data storage system
US2611813A (en) * 1948-05-26 1952-09-23 Technitrol Engineering Company Magnetic data storage system
US2609143A (en) * 1948-06-24 1952-09-02 George R Stibitz Electronic computer for addition and subtraction
US2737342A (en) * 1948-08-04 1956-03-06 Teleregister Corp Rotary magnetic data storage system
BE492883A (OSRAM) * 1948-12-23
US2701095A (en) * 1949-02-12 1955-02-01 George R Stibitz Electronic computer for division
US2749037A (en) * 1950-04-21 1956-06-05 George R Stibitz Electronic computer for multiplication
US2614169A (en) * 1950-07-24 1952-10-14 Engineering Res Associates Inc Storage and relay system
NL93808C (OSRAM) * 1951-12-31

Also Published As

Publication number Publication date
BE526231A (OSRAM)
GB784496A (en) 1957-10-09
CH339404A (fr) 1959-06-30
US2901166A (en) 1959-08-25
DE1129324B (de) 1962-05-10
AT185584B (de) 1956-05-11

Similar Documents

Publication Publication Date Title
GB786723A (en) Improvements in or relating to equipment for the storage of intelligence
GB1264442A (OSRAM)
GB784497A (en) Improvements in magnetic drum storage devices
GB1535665A (en) Access arrangements for use with recording and/or reproducing apparatus
GB798917A (en) Cyclic memory system
GB1049186A (en) Data processing system
FR1103477A (fr) Têtes magnétiques d'enregistrement, de reproduction et d'effacement
GB837560A (en) Improvements in timing devices for data storage apparatus
GB734101A (en) Means for producing dispersion in electrical oscillations
GB1006875A (en) Electronic computors
GB1362049A (en) Data storage system
GB745614A (en) Improvements in or relating to magnetic data storage systems
GB1036118A (en) Data processing system
GB816795A (en) Apparatus for magnetically storing binary data
GB788949A (en) Magnetic information storage systems
GB842850A (en) Writing and reading device, particularly for magnetic cards
GB831492A (en) Improvements in magnetic transducers
GB975978A (en) Improvements relating to data storage
GB814669A (en) Improvements in or relating to data storage apparatus
GB1382598A (en) Recording apparatus
GB739857A (en) Improvements in and relating to gramophone record adaptors
GB718924A (en) Improvements in or relating to electrical signalling systems
AU208634B2 (en) System for recording punched card data on magnetic tape
GB1210649A (en) Improvements in or relating to teaching machines
AU525954A (en) System for recording punched card data on magnetic tape