FR1113051A - Perfectionnements aux dispositifs de lecture de matrices - Google Patents

Perfectionnements aux dispositifs de lecture de matrices

Info

Publication number
FR1113051A
FR1113051A FR1113051DA FR1113051A FR 1113051 A FR1113051 A FR 1113051A FR 1113051D A FR1113051D A FR 1113051DA FR 1113051 A FR1113051 A FR 1113051A
Authority
FR
France
Prior art keywords
reading devices
matrix reading
matrix
devices
reading
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
Other languages
English (en)
Inventor
A Mestre
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Application granted granted Critical
Publication of FR1113051A publication Critical patent/FR1113051A/fr
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
FR1113051D 1954-11-16 1954-11-16 Perfectionnements aux dispositifs de lecture de matrices Expired FR1113051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054750X 1954-11-16

Publications (1)

Publication Number Publication Date
FR1113051A true FR1113051A (fr) 1956-03-23

Family

ID=9596578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1113051D Expired FR1113051A (fr) 1954-11-16 1954-11-16 Perfectionnements aux dispositifs de lecture de matrices

Country Status (4)

Country Link
US (1) US2800643A (fr)
DE (1) DE1054750B (fr)
FR (1) FR1113051A (fr)
GB (1) GB780689A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137587B (de) * 1958-09-29 1962-10-04 Ncr Co Geraet zum Aufzeichnen von aus einem Speicher ausgelesenen Zeichen auf einen Aufzeichnungstraeger

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853614A (en) * 1956-04-06 1960-11-09 Int Computers & Tabulators Ltd Improvements in or relating to electrical digital-data-storage apparatus
US2996701A (en) * 1957-11-07 1961-08-15 Gen Dynamics Corp Nonvolatile binary comparator
NL239530A (fr) * 1958-05-27
US2995733A (en) * 1959-01-26 1961-08-08 Richard S C Cobbold Magnetic core memory
GB1201644A (en) * 1967-05-02 1970-08-12 Int Computers Ltd Magnetic memory system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691154A (en) * 1952-03-08 1954-10-05 Rca Corp Magnetic information handling system
US2691155A (en) * 1953-02-20 1954-10-05 Rca Corp Memory system
NL94472C (fr) * 1953-05-29
US2691157A (en) * 1953-06-26 1954-10-05 Rca Corp Magnetic memory switching system
US2709248A (en) * 1954-04-05 1955-05-24 Internat Telemeter Corp Magnetic core memory system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137587B (de) * 1958-09-29 1962-10-04 Ncr Co Geraet zum Aufzeichnen von aus einem Speicher ausgelesenen Zeichen auf einen Aufzeichnungstraeger

Also Published As

Publication number Publication date
GB780689A (en) 1957-08-07
DE1054750B (de) 1959-04-09
US2800643A (en) 1957-07-23

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