FR1169586A - Dispositif de multiplication pour machines à calculer - Google Patents

Dispositif de multiplication pour machines à calculer

Info

Publication number
FR1169586A
FR1169586A FR1169586DA FR1169586A FR 1169586 A FR1169586 A FR 1169586A FR 1169586D A FR1169586D A FR 1169586DA FR 1169586 A FR1169586 A FR 1169586A
Authority
FR
France
Prior art keywords
multiplication device
calculating machines
machines
calculating
multiplication
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)
French (fr)
Inventor
Gerhard Dirks
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 filed Critical
Application granted granted Critical
Publication of FR1169586A publication Critical patent/FR1169586A/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
    • G06F7/50—Adding; Subtracting
    • G06F7/504—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/04—Digital computers in general; Data processing equipment in general programmed simultaneously with the introduction of data to be processed, e.g. on the same record carrier
    • 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
    • G06F7/4981—Adding; Subtracting
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR1169586D 1956-02-25 1956-12-19 Dispositif de multiplication pour machines à calculer Expired FR1169586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB593756A GB837196A (en) 1956-02-25 1956-02-25 Improvements in electric calculators

Publications (1)

Publication Number Publication Date
FR1169586A true FR1169586A (fr) 1958-12-31

Family

ID=9805421

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1169586D Expired FR1169586A (fr) 1956-02-25 1956-12-19 Dispositif de multiplication pour machines à calculer
FR1172699D Expired FR1172699A (fr) 1956-02-25 1957-02-25 Dispositif calculateur

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1172699D Expired FR1172699A (fr) 1956-02-25 1957-02-25 Dispositif calculateur

Country Status (4)

Country Link
CH (2) CH360826A (de)
DE (3) DE1126653B (de)
FR (2) FR1169586A (de)
GB (2) GB852184A (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL83274C (de) * 1944-12-27
DE966461C (de) * 1945-09-27 1957-07-25 IBM Deutschland Internationale Büro Maschinen Gesellschaft mbH Sindelf mgen (Wurtt) Elektrische MuIt'plikationsemnchtung mit Faktoienspeiche rung
US2609143A (en) * 1948-06-24 1952-09-02 George R Stibitz Electronic computer for addition and subtraction
US2702666A (en) * 1949-12-08 1955-02-22 Ibm Multifrequency electronic multiplier
DE1070412B (de) * 1952-10-18 1959-12-03 Ing. C. Olivetti &. C. S.p.A., Ivrea (Italien) Rechenvorrichtung mit dynamischen Registern

Also Published As

Publication number Publication date
GB837196A (en) 1960-06-09
DE1124273B (de) 1962-02-22
CH360229A (de) 1962-02-15
DE1126653B (de) 1962-03-29
FR1172699A (fr) 1959-02-13
GB852184A (en) 1960-10-26
CH360826A (de) 1962-03-15
DE1096084B (de) 1960-12-29

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