CA924014A - Read and write systems for 2 1/2d core memory - Google Patents

Read and write systems for 2 1/2d core memory

Info

Publication number
CA924014A
CA924014A CA109637A CA109637A CA924014A CA 924014 A CA924014 A CA 924014A CA 109637 A CA109637 A CA 109637A CA 109637 A CA109637 A CA 109637A CA 924014 A CA924014 A CA 924014A
Authority
CA
Canada
Prior art keywords
read
core memory
write systems
write
systems
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
CA109637A
Other languages
English (en)
Inventor
A. Kenner Bernard
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
Application granted granted Critical
Publication of CA924014A publication Critical patent/CA924014A/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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
  • Static Random-Access Memory (AREA)
  • Digital Magnetic Recording (AREA)
CA109637A 1970-04-06 1971-04-05 Read and write systems for 2 1/2d core memory Expired CA924014A (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
CA924014A true CA924014A (en) 1973-04-03

Family

ID=21827144

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109637A Expired CA924014A (en) 1970-04-06 1971-04-05 Read and write systems for 2 1/2d core memory

Country Status (6)

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

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 (cs) * 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
US3693176A (en) 1972-09-19
SE375873B (cs) 1975-04-28
FR2085863B1 (cs) 1977-06-17
DE2116820B2 (de) 1976-12-02
BE765390A (fr) 1971-08-30
GB1345172A (en) 1974-01-30
DE2116820A1 (de) 1971-11-18
FR2085863A1 (cs) 1971-12-31

Similar Documents

Publication Publication Date Title
CA922805A (en) Write once read only store semiconductor memory
CA946981A (en) Buffer memory having read and write address comparison for indicating occupancy
CA925617A (en) Read only memory
CA921167A (en) Information storage systems
CA924014A (en) Read and write systems for 2 1/2d core memory
CA938379A (en) Magnetic core memories
CA921166A (en) Three-dimensional storage device comprising magnetic memory elements
CA947560A (en) Holographic memory with same reference beam used for writing and reading
CA954217A (en) Data recording and reproducing system
CA830135A (en) Magnetic data memory system
CA954973A (en) Magnetic core memories
CA849185A (en) Information storage unit and memory card therefor
CA935919A (en) Write once read only store semiconductor memory
CA837783A (en) Oriented magnetic memory cores
CA807330A (en) Magnetic disc memory
CA912328A (en) Holographic read/write storage system
AU434026B2 (en) Read only memory
CA821721A (en) Non-destructive read-out magnetic sheet memory
CA811881A (en) Magnetic memory
CA806835A (en) Magnetic memory
CA884579A (en) Read/write memory circuit
CA822830A (en) Figure 8 memory core
CA822831A (en) Figure 8 memory core
CA862936A (en) Magnetic tape random access memory
CA818114A (en) Magnetic memory arrangement