GB841619A - Improvements in magnetic core shift registers - Google Patents

Improvements in magnetic core shift registers

Info

Publication number
GB841619A
GB841619A GB2466256A GB2466256A GB841619A GB 841619 A GB841619 A GB 841619A GB 2466256 A GB2466256 A GB 2466256A GB 2466256 A GB2466256 A GB 2466256A GB 841619 A GB841619 A GB 841619A
Authority
GB
United Kingdom
Prior art keywords
cores
core
state
current
zero
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
GB2466256A
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
Priority claimed from US528594A external-priority patent/US2907987A/en
Priority claimed from US548581A external-priority patent/US2919354A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority claimed from US625826A external-priority patent/US2904779A/en
Priority claimed from US757482A external-priority patent/US3163771A/en
Priority claimed from US769838A external-priority patent/US3077585A/en
Publication of GB841619A publication Critical patent/GB841619A/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/04—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using cores with one aperture or magnetic loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/16—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electronic Switches (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Control Of Stepping Motors (AREA)
  • Discharge By Other Means (AREA)
  • Dc Digital Transmission (AREA)
GB2466256A 1955-08-16 1956-08-13 Improvements in magnetic core shift registers Expired GB841619A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US528594A US2907987A (en) 1955-08-16 1955-08-16 Magnetic core transfer circuit
US548581A US2919354A (en) 1955-11-23 1955-11-23 Magnetic core logical circuit
US625826A US2904779A (en) 1956-12-03 1956-12-03 Magnetic core transfer circuit
US757482A US3163771A (en) 1958-08-27 1958-08-27 Logical transfer circuit
US769838A US3077585A (en) 1958-10-27 1958-10-27 Shift register

Publications (1)

Publication Number Publication Date
GB841619A true GB841619A (en) 1960-07-20

Family

ID=27541848

Family Applications (4)

Application Number Title Priority Date Filing Date
GB2466256A Expired GB841619A (en) 1955-08-16 1956-08-13 Improvements in magnetic core shift registers
GB3550156A Expired GB843496A (en) 1955-08-16 1956-11-20 Improvements in magnetic core switching networks
GB1791959A Expired GB881378A (en) 1955-08-16 1959-05-26 Improvements in logical switching devices
GB3642359A Expired GB914348A (en) 1955-08-16 1959-10-27 Shift register

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB3550156A Expired GB843496A (en) 1955-08-16 1956-11-20 Improvements in magnetic core switching networks
GB1791959A Expired GB881378A (en) 1955-08-16 1959-05-26 Improvements in logical switching devices
GB3642359A Expired GB914348A (en) 1955-08-16 1959-10-27 Shift register

Country Status (4)

Country Link
DE (5) DE1142452B (enrdf_load_stackoverflow)
FR (3) FR1172001A (enrdf_load_stackoverflow)
GB (4) GB841619A (enrdf_load_stackoverflow)
NL (2) NL209697A (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB706736A (en) * 1952-01-03 1954-04-07 British Tabulating Mach Co Ltd Improvements in or relating to electrical storage devices
US2781503A (en) * 1953-04-29 1957-02-12 American Mach & Foundry Magnetic memory circuits employing biased magnetic binary cores
US2784390A (en) * 1953-11-27 1957-03-05 Rca Corp Static magnetic memory
BE547373A (enrdf_load_stackoverflow) 1955-04-28
AT196644B (de) * 1955-08-16 1958-03-25 Ibm Schaltung zur Weitergabe einer in einem Magnetkern gespeicherten Information

Also Published As

Publication number Publication date
GB881378A (en) 1961-11-01
NL109283C (enrdf_load_stackoverflow)
FR1172057A (fr) 1959-02-05
DE1160891B (de) 1964-01-09
GB914348A (en) 1963-01-02
DE1155169B (de) 1963-10-03
FR1172001A (fr) 1959-02-04
GB843496A (en) 1960-08-04
NL209697A (enrdf_load_stackoverflow)
DE1161311B (de) 1964-01-16
DE1166256B (de) 1964-03-26
FR1194463A (fr) 1959-11-10
DE1142452B (de) 1963-01-17

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