FR1319538A - Improvements to calculating machines - Google Patents

Improvements to calculating machines

Info

Publication number
FR1319538A
FR1319538A FR892834A FR892834A FR1319538A FR 1319538 A FR1319538 A FR 1319538A FR 892834 A FR892834 A FR 892834A FR 892834 A FR892834 A FR 892834A FR 1319538 A FR1319538 A FR 1319538A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
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
FR892834A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR892834A priority Critical patent/FR1319538A/en
Application granted granted Critical
Publication of FR1319538A publication Critical patent/FR1319538A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50—Adding; Subtracting
    • G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
    • G06F7/503—Half or full adders, i.e. basic adder cells for one denomination using carry switching, i.e. the incoming carry being connected directly, or only via an inverter, to the carry output under control of a carry propagate signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/48—Indexing scheme relating to groups G06F7/48 - G06F7/575
    • G06F2207/4802—Special implementations
    • G06F2207/4828—Negative resistance devices, e.g. tunnel diodes, gunn effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
FR892834A 1961-03-31 1962-03-30 Improvements to calculating machines Expired FR1319538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR892834A FR1319538A (en) 1961-03-31 1962-03-30 Improvements to calculating machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9978661A 1961-03-31 1961-03-31
FR892834A FR1319538A (en) 1961-03-31 1962-03-30 Improvements to calculating machines

Publications (1)

Publication Number Publication Date
FR1319538A true FR1319538A (en) 1963-03-01

Family

ID=26195009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892834A Expired FR1319538A (en) 1961-03-31 1962-03-30 Improvements to calculating machines

Country Status (1)

Country Link
FR (1) FR1319538A (en)

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