FR842777A - Perfectionnements aux machines à multiplier - Google Patents

Perfectionnements aux machines à multiplier

Info

Publication number
FR842777A
FR842777A FR842777DA FR842777A FR 842777 A FR842777 A FR 842777A FR 842777D A FR842777D A FR 842777DA FR 842777 A FR842777 A FR 842777A
Authority
FR
France
Prior art keywords
multiplying machines
multiplying
machines
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR842777A publication Critical patent/FR842777A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • 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
    • G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • G06F7/405—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay binary
    • 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
    • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
    • G06F7/462—Multiplying; dividing
    • G06F7/466—Multiplying; dividing by successive multiplication or division by 2

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Conveying Record Carriers (AREA)
  • Tests Of Electronic Circuits (AREA)
FR842777D 1937-09-24 1938-08-30 Perfectionnements aux machines à multiplier Expired FR842777A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US165436A US2192612A (en) 1937-09-24 1937-09-24 Multiplying machine

Publications (1)

Publication Number Publication Date
FR842777A true FR842777A (fr) 1939-06-19

Family

ID=22598884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842777D Expired FR842777A (fr) 1937-09-24 1938-08-30 Perfectionnements aux machines à multiplier

Country Status (4)

Country Link
US (1) US2192612A (fr)
BE (1) BE430108A (fr)
FR (1) FR842777A (fr)
GB (1) GB519452A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003692A (en) * 1961-10-10 heuer
BE469839A (fr) * 1941-04-24
GB578041A (en) * 1941-05-10 1946-06-13 Standard Telephones Cables Ltd Improvements in or relating to electrically operated calculating equipment
GB564423A (en) * 1943-03-02 1944-09-27 Ncr Co Improvements in or relating to multiplying machines
US2445215A (en) * 1943-10-21 1948-07-13 Rca Corp Electronic computer
US2968439A (en) * 1949-02-15 1961-01-17 Rca Corp Electronic digital binary computer
US2745599A (en) * 1949-03-24 1956-05-15 Ibm Electronic multiplier
US2713456A (en) * 1949-10-24 1955-07-19 Marchant Calculators Inc Machine for translating binary values to decimal values
NL192647A (fr) * 1953-11-25
US2885499A (en) * 1956-09-12 1959-05-05 Saxony Electronics Inc Electrical switch
US3018955A (en) * 1958-03-27 1962-01-30 United Aircraft Corp Apparatus for performing arithmetic operations

Also Published As

Publication number Publication date
GB519452A (en) 1940-03-27
US2192612A (en) 1940-03-05
BE430108A (fr) 1938-10-31

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