FR1057862A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR1057862A
FR1057862A FR1057862DA FR1057862A FR 1057862 A FR1057862 A FR 1057862A FR 1057862D A FR1057862D A FR 1057862DA FR 1057862 A FR1057862 A FR 1057862A
Authority
FR
France
Prior art keywords
calculator
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)
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.)
J Lyons and Co Ltd
Original Assignee
J Lyons and Co Ltd
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 J Lyons and Co Ltd filed Critical J Lyons and Co Ltd
Application granted granted Critical
Publication of FR1057862A publication Critical patent/FR1057862A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Particle Accelerators (AREA)
FR1057862D 1950-08-10 1951-08-07 Machine à calculer Expired FR1057862A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1057862X 1950-08-10

Publications (1)

Publication Number Publication Date
FR1057862A true FR1057862A (fr) 1954-03-11

Family

ID=10871104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1057862D Expired FR1057862A (fr) 1950-08-10 1951-08-07 Machine à calculer

Country Status (3)

Country Link
DE (1) DE912402C (fr)
FR (1) FR1057862A (fr)
NL (1) NL163176B (fr)

Also Published As

Publication number Publication date
NL163176B (nl)
DE912402C (de) 1954-05-28

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