GB1345172A - Megnetic core memories - Google Patents

Megnetic core memories

Info

Publication number
GB1345172A
GB1345172A GB2621771*A GB2621771A GB1345172A GB 1345172 A GB1345172 A GB 1345172A GB 2621771 A GB2621771 A GB 2621771A GB 1345172 A GB1345172 A GB 1345172A
Authority
GB
United Kingdom
Prior art keywords
lines
word
line
current
transformer
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
GB2621771*A
Other languages
English (en)
Inventor
B A Kenner
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.)
Electronic Memories and Magnetics Corp
Original Assignee
Electronic Memories and Magnetics 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 Electronic Memories and Magnetics Corp filed Critical Electronic Memories and Magnetics Corp
Publication of GB1345172A publication Critical patent/GB1345172A/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
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G11C11/06014—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using one such element per bit
    • G11C11/06021—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using one such element per bit with destructive read-out
    • G11C11/06028—Matrixes
    • G11C11/06035—Bit core selection for writing or reading, by at least two coincident partial currents, e.g. "bit"- organised, 2L/2D, or 3D
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
    • H03K17/6221—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors combined with selecting means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Semiconductor Memories (AREA)
  • Digital Magnetic Recording (AREA)
  • Static Random-Access Memory (AREA)
GB2621771*A 1970-04-06 1971-04-19 Megnetic core memories Expired GB1345172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2562470A 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
GB1345172A true GB1345172A (en) 1974-01-30

Family

ID=21827144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2621771*A Expired GB1345172A (en) 1970-04-06 1971-04-19 Megnetic core memories

Country Status (6)

Country Link
US (1) US3693176A (enExample)
BE (1) BE765390A (enExample)
CA (1) CA924014A (enExample)
FR (1) FR2085863B1 (enExample)
GB (1) GB1345172A (enExample)
SE (1) SE375873B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742467A (en) * 1971-12-15 1973-06-26 Sperry Rand Corp Sense-digit line selection matrix for memory system
JPS5336019Y2 (enExample) * 1973-05-18 1978-09-02
US3922653A (en) * 1974-08-16 1975-11-25 Gte Automatic Electric Lab Inc Ring core memory arrangement
US4300214A (en) * 1979-08-20 1981-11-10 Quadri Corporation Circuitry for reducing parasitic coupling in core memory
US7863986B2 (en) * 2008-08-11 2011-01-04 Qualcomm Incorporation Techniques for improving balun loaded-Q

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB996375A (en) * 1960-07-07 1965-06-23 English Electric Co Ltd Improvements in and relating to electric data storage apparatus
FR1333841A (fr) * 1962-06-18 1963-08-02 Bull Sa Machines Système de sélection pour mémoire à tores magnétiques
US3419856A (en) * 1964-08-10 1968-12-31 Burroughs Corp Wiring arrangement for a thin film magnetic memory
US3466626A (en) * 1966-02-25 1969-09-09 Ncr Co Computer memory having one-element-per-bit storage and two-elements-per-bit noise cancellation
DE1499832A1 (de) * 1966-06-30 1969-11-06 Philips Patentverwaltung Auswahlschaltungsanordnung fuer Kernspeicher
US3466633A (en) * 1967-05-18 1969-09-09 Electronic Memories Inc System for driving a magnetic core memory
US3573761A (en) * 1968-02-28 1971-04-06 Interdata Inc Coincident current magnetic core memory matrix
US3544978A (en) * 1968-03-18 1970-12-01 Gen Motors Corp Method and apparatus for driving memory core selection lines
US3543256A (en) * 1968-03-19 1970-11-24 Interdata Inc Memory matrix having interleaved bit wires
US3550100A (en) * 1968-04-30 1970-12-22 Gen Electric Information storage control apparatus for a magnetic core memory
US3568170A (en) * 1968-05-21 1971-03-02 Electronic Memories Inc Core memory drive system

Also Published As

Publication number Publication date
DE2116820B2 (de) 1976-12-02
US3693176A (en) 1972-09-19
CA924014A (en) 1973-04-03
BE765390A (fr) 1971-08-30
FR2085863B1 (enExample) 1977-06-17
FR2085863A1 (enExample) 1971-12-31
SE375873B (enExample) 1975-04-28
DE2116820A1 (de) 1971-11-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees