FR997976A - Dispositif ou machine à multiplier - Google Patents

Dispositif ou machine à multiplier

Info

Publication number
FR997976A
FR997976A FR997976DA FR997976A FR 997976 A FR997976 A FR 997976A FR 997976D A FR997976D A FR 997976DA FR 997976 A FR997976 A FR 997976A
Authority
FR
France
Prior art keywords
machine
multiplying device
multiplying
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Application granted granted Critical
Publication of FR997976A publication Critical patent/FR997976A/fr
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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4983—Multiplying; Dividing
    • G06F7/4985—Multiplying; Dividing by successive additions or subtractions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Measuring Volume Flow (AREA)
  • Electrotherapy Devices (AREA)
  • Surgical Instruments (AREA)
FR997976D 1945-10-18 1947-06-06 Dispositif ou machine à multiplier Expired FR997976A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US622978A US2575331A (en) 1945-10-18 1945-10-18 Electronic multiplying device

Publications (1)

Publication Number Publication Date
FR997976A true FR997976A (fr) 1952-01-14

Family

ID=24496284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997976D Expired FR997976A (fr) 1945-10-18 1947-06-06 Dispositif ou machine à multiplier

Country Status (4)

Country Link
US (1) US2575331A (fr)
DE (1) DE977634C (fr)
FR (1) FR997976A (fr)
GB (1) GB640513A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL157970B (nl) * 1945-04-19 Hurth Masch Zahnrad Carl Schakelinrichting voor een wrijvingskoppeling.
NL157969B (nl) * 1945-04-19 Kjell Gustav Landaeus Inrichting voor het losneembaar monteren van een wiel of naaf op een as.
FR1034581A (fr) * 1949-06-18 1953-07-27 Ibm Appareil électronique à multiplier
US2641407A (en) * 1949-06-18 1953-06-09 Ibm Electronic multiplier
NL96171C (fr) * 1950-05-18
US2790599A (en) * 1951-02-27 1957-04-30 Electronique & Automatisme Sa Electronic digital adder and multiplier
NL102606C (fr) * 1951-10-04
US2770415A (en) * 1951-12-03 1956-11-13 Clary Corp Read-out and radix conversion apparatus for electronic computing apparatus
DE977721C (de) * 1952-12-23 1975-11-06 Ibm Deutschland Magnetischer Trommelspeicher, insbesondere fuer Rechengeraete
US2970762A (en) * 1953-02-02 1961-02-07 Standard Coil Prod Co Inc Interpolating device
NL192647A (fr) * 1953-11-25
DE1051030B (de) * 1954-01-15 1959-02-19 IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) Elektronische Multiplikationsmaschine
US3084285A (en) * 1955-07-01 1963-04-02 Toledo Scale Corp Pulse generator for electronic multiplier
NL211607A (fr) * 1955-10-21
US3034721A (en) * 1956-06-06 1962-05-15 Buchungemaschinenwerk Karl Mar Electronic multiplying arrangement in combination with a mechanically actuated bookkeeping machine
DE1071985B (fr) * 1957-01-11
DE1076975B (de) * 1957-08-03 1960-03-03 Olympia Werke Ag Elektronisches Rechengeraet, vornehmlich fuer dekadisches Rechnen
US3253132A (en) * 1962-11-01 1966-05-24 American Mach & Foundry Register system
GB1098853A (en) * 1963-11-12 1968-01-10 Mullard Ltd Computing machine
GB1042786A (en) * 1964-03-21 1966-09-14 Bell Punch Co Ltd Improvements in or relating to calculating machines

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1848106A (en) * 1926-11-23 1932-03-08 Tabulating Machine Co Key adding device for tabulating machines
US2176932A (en) * 1931-10-30 1939-10-24 Addressograph Multigraph Electrical calculating machine
US1982020A (en) * 1931-11-10 1934-11-27 Ibm Tabulating machine
US2346616A (en) * 1940-05-13 1944-04-11 Ncr Co Multiplying machine
US2310105A (en) * 1941-04-16 1943-02-02 Gen Electric Counter circuit
NL74373C (fr) * 1941-05-23 1900-01-01
US2354768A (en) * 1941-08-25 1944-08-01 United Shoe Machinery Corp Electrical counter
US2401621A (en) * 1941-12-31 1946-06-04 Ncr Co Electronic accumulator
US2404697A (en) * 1942-03-21 1946-07-23 Ncr Co Calculating device
US2404047A (en) * 1943-01-21 1946-07-16 Rca Corp Electronic computing device
US2398771A (en) * 1943-05-24 1946-04-23 Ncr Co Electronic device
US2442428A (en) * 1943-12-27 1948-06-01 Ncr Co Calculating device
NL83274C (fr) * 1944-12-27
US2502360A (en) * 1947-03-14 1950-03-28 Bell Telephone Labor Inc Electronic computer

Also Published As

Publication number Publication date
GB640513A (en) 1950-07-19
DE977634C (de) 1968-02-29
US2575331A (en) 1951-11-20

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