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FR1209813A - Calculator - Google Patents

Calculator

Info

Publication number
FR1209813A
FR1209813A FR1209813DA FR1209813A FR 1209813 A FR1209813 A FR 1209813A FR 1209813D A FR1209813D A FR 1209813DA FR 1209813 A FR1209813 A FR 1209813A
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
French (fr)
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 FR1209813A publication Critical patent/FR1209813A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
FR1209813D 1950-08-10 1951-08-09 Calculator Expired FR1209813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1209813X 1950-08-10

Publications (1)

Publication Number Publication Date
FR1209813A true FR1209813A (en) 1960-03-03

Family

ID=10882728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1209813D Expired FR1209813A (en) 1950-08-10 1951-08-09 Calculator

Country Status (1)

Country Link
FR (1) FR1209813A (en)

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