GB989947A - Improvements in memory systems - Google Patents

Improvements in memory systems

Info

Publication number
GB989947A
GB989947A GB5916/61A GB591661A GB989947A GB 989947 A GB989947 A GB 989947A GB 5916/61 A GB5916/61 A GB 5916/61A GB 591661 A GB591661 A GB 591661A GB 989947 A GB989947 A GB 989947A
Authority
GB
United Kingdom
Prior art keywords
current
data
line
terminals
read
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
GB5916/61A
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 GB989947A publication Critical patent/GB989947A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/44—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using super-conductive elements, e.g. cryotron
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/32—Digital stores in which the information is moved stepwise, e.g. shift registers using super-conductive elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/83—Electrical pulse counter, pulse divider, or shift register
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/831—Static information storage system or device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/831—Static information storage system or device
    • Y10S505/838—Plural, e.g. memory matrix
    • Y10S505/84—Location addressed, i.e. word organized memory type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Logic Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Mram Or Spin Memory Techniques (AREA)
GB5916/61A 1960-05-18 1961-05-17 Improvements in memory systems Expired GB989947A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30010A US3166739A (en) 1960-05-18 1960-05-18 Parallel or serial memory device
US29898A US3149312A (en) 1960-05-18 1960-05-18 Cryogenic memory device with shifting word registers
US30019A US3170145A (en) 1960-05-18 1960-05-18 Cryogenic memory system with simultaneous information transfer

Publications (1)

Publication Number Publication Date
GB989947A true GB989947A (en) 1965-04-22

Family

ID=27363562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5916/61A Expired GB989947A (en) 1960-05-18 1961-05-17 Improvements in memory systems

Country Status (4)

Country Link
US (3) US3170145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (3) DE1228309B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB989947A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL264882A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303478A (en) * 1963-07-01 1967-02-07 Ibm Information coupling arrangement for cryogenic systems
NL6918302A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-12-05 1971-06-08
US4489381A (en) * 1982-08-06 1984-12-18 International Business Machines Corporation Hierarchical memories having two ports at each subordinate memory level
US4723226A (en) * 1982-09-29 1988-02-02 Texas Instruments Incorporated Video display system using serial/parallel access memories
US4718039A (en) * 1984-06-29 1988-01-05 International Business Machines Intermediate memory array with a parallel port and a buffered serial port

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763432A (en) * 1956-09-18 Device
FR1000832A (fr) * 1949-11-23 1952-02-18 Electronique & Automatisme Sa Circuits opérateurs pour signaux électriques codés
NL100860C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1950-05-04
US2734187A (en) * 1951-12-29 1956-02-07 rajchman
US2691155A (en) * 1953-02-20 1954-10-05 Rca Corp Memory system
GB731733A (en) * 1953-02-11 1955-06-15 Nat Res Dev Electrical digital computing engines
DE1073223B (de) * 1954-05-25 1960-01-14 IBM Deutschland Internationale Büro-Maschinen Gesellschaft mbH, Smdelfingen (Wurtt) Anordnung zur Speicherung von An gaben
BE546326A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1955-02-14
US2802203A (en) * 1955-03-08 1957-08-06 Telemeter Magnetics And Electr Magnetic memory system
US2803812A (en) * 1955-05-31 1957-08-20 Electric control systems
US2958075A (en) * 1956-01-30 1960-10-25 Sperry Rand Corp Shift register
GB853614A (en) * 1956-04-06 1960-11-09 Int Computers & Tabulators Ltd Improvements in or relating to electrical digital-data-storage apparatus
US2888201A (en) * 1957-12-31 1959-05-26 Ibm Adder circuit
NL242838A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1958-12-22
US3114137A (en) * 1959-09-29 1963-12-10 Ii Walter L Morgan Dual string magnetic shift register
US3021440A (en) * 1959-12-31 1962-02-13 Ibm Cryogenic circuit with output threshold varied by input current

Also Published As

Publication number Publication date
DE1228309B (de) 1966-11-10
US3149312A (en) 1964-09-15
DE1424408A1 (de) 1969-01-09
NL264882A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US3170145A (en) 1965-02-16
DE1424407A1 (de) 1969-01-09
US3166739A (en) 1965-01-19

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