FR941677A - Perfectionnements aux machines comptables électriques - Google Patents

Perfectionnements aux machines comptables électriques

Info

Publication number
FR941677A
FR941677A FR941677DA FR941677A FR 941677 A FR941677 A FR 941677A FR 941677D A FR941677D A FR 941677DA FR 941677 A FR941677 A FR 941677A
Authority
FR
France
Prior art keywords
accounting machines
electric accounting
electric
machines
accounting
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 FR941677A publication Critical patent/FR941677A/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
    • G06F7/40—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
    • G06F7/42—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
    • G06F7/46—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
    • G06F7/465—Multiplying; dividing by partial product forming (with electric multiplication table)

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Electromagnetism (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
FR941677D 1943-08-28 1946-07-12 Perfectionnements aux machines comptables électriques Expired FR941677A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500325A US2394925A (en) 1943-08-28 1943-08-28 Electrical calculating machine

Publications (1)

Publication Number Publication Date
FR941677A true FR941677A (fr) 1949-01-18

Family

ID=23988915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941677D Expired FR941677A (fr) 1943-08-28 1946-07-12 Perfectionnements aux machines comptables électriques

Country Status (4)

Country Link
US (1) US2394925A (fr)
FR (1) FR941677A (fr)
GB (1) GB583973A (fr)
NL (1) NL76334C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE469265A (fr) * 1946-05-01
US2560172A (en) * 1948-03-31 1951-07-10 Automatic Elect Lab Binary binomial sequential analyzer
US2829822A (en) * 1949-10-24 1958-04-08 Marchant Calculators Inc Binary value calculator
US2626752A (en) * 1949-11-23 1953-01-27 Ncr Co Carry device for electronic calculators
DE848103C (de) * 1950-03-30 1952-09-01 Ibm Deutschland Lochgesteuerter Binaer-Rechner mit Subtraktion
US2819839A (en) * 1951-02-23 1958-01-14 Donald H Jacobs High speed register using gating circuits to bypass delay elements
US2928601A (en) * 1952-03-25 1960-03-15 Hughes Aircraft Co Arithmetic units for decimal coded binary computers
US2988276A (en) * 1954-01-07 1961-06-13 Higonnet Type composing apparatus
NL198494A (fr) * 1954-07-01
US3084860A (en) * 1959-08-04 1963-04-09 Western Electric Co Decimal to binary number translating device

Also Published As

Publication number Publication date
GB583973A (en) 1947-01-03
US2394925A (en) 1946-02-12
NL76334C (fr)

Similar Documents

Publication Publication Date Title
FR942833A (fr) Perfectionnements aux machines à calculer électriques
FR950260A (fr) Perfectionnements aux machines comptables
FR941677A (fr) Perfectionnements aux machines comptables électriques
FR907575A (fr) Perfectionnements aux machines rotatives
FR981268A (fr) Perfectionnements aux machines-outils
FR928795A (fr) Perfectionnements aux bobines de réactance excitées en courant continu
FR1041825A (fr) Perfectionnements aux machines électriques tournantes
FR921099A (fr) Perfectionnements aux machines comptables électriques
FR980755A (fr) Perfectionnements aux rasoirs électriques
FR927443A (fr) Redresseurs électriques
FR980254A (fr) Perfectionnements apportés aux pompes rotatives
FR924729A (fr) Perfectionnements aux machines à repasser
FR895974A (fr) Perfectionnements aux séchoirs
FR982508A (fr) Perfectionnement aux machines électriques
FR929073A (fr) Perfectionnements apportés aux machines-outils
FR926871A (fr) Perfectionnements aux machines dynamo-électriques
FR897089A (fr) Perfectionnements apportés aux isolateurs
FR900882A (fr) Machine comptable
FR941846A (fr) Perfectionnements aux pompes
FR928541A (fr) Perfectionnements aux balais mécaniques
FR975635A (fr) Perfectionnements aux soudeuses électriques
FR926782A (fr) Machine comptable
FR918921A (fr) Perfectionnements aux machines dynamo-électriques
FR892883A (fr) Emboîteuse-doseuse
FR902943A (fr) Perfectionnements aux oscillateurs électriques