CH224456A - Machine à calculer électrique. - Google Patents

Machine à calculer électrique.

Info

Publication number
CH224456A
CH224456A CH224456DA CH224456A CH 224456 A CH224456 A CH 224456A CH 224456D A CH224456D A CH 224456DA CH 224456 A CH224456 A CH 224456A
Authority
CH
Switzerland
Prior art keywords
calculating machine
electric calculating
electric
machine
calculating
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Company The National Register
Original Assignee
Ncr 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 Co filed Critical Ncr Co
Publication of CH224456A publication Critical patent/CH224456A/fr

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
    • G06F7/44—Multiplying; Dividing
    • G06F7/446—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)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Relay Circuits (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
CH224456D 1938-07-21 1939-07-20 Machine à calculer électrique. CH224456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US220495A US2262235A (en) 1938-07-21 1938-07-21 Electric calculating machine

Publications (1)

Publication Number Publication Date
CH224456A true CH224456A (fr) 1942-11-30

Family

ID=22823766

Family Applications (1)

Application Number Title Priority Date Filing Date
CH224456D CH224456A (fr) 1938-07-21 1939-07-20 Machine à calculer électrique.

Country Status (5)

Country Link
US (1) US2262235A (da)
CH (1) CH224456A (da)
DE (1) DE950335C (da)
FR (1) FR871955A (da)
GB (1) GB535891A (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434681A (en) * 1943-02-13 1948-01-20 Bell Telephone Labor Inc Remotely controlled electrical calculator
US2420167A (en) * 1943-03-31 1947-05-06 Ibm Relay type cross-totalizing device for record card data
US2467419A (en) * 1943-10-16 1949-04-19 Marchant Calculating Machine Automatic decimal and shift control mechanism
US2668661A (en) * 1944-11-23 1954-02-09 Bell Telephone Labor Inc Complex computer
DE1001510B (de) * 1945-12-21 1957-01-24 IBM Deutschland Internationale Büro - Maschinen Gesellschaft mbH, Smdelfingen (Wurtt) Lochkartengesteuerte Multipliziermaschine
US2588923A (en) * 1946-01-16 1952-03-11 Int Standard Electric Corp Calculator
US2977048A (en) * 1946-12-17 1961-03-28 Bell Telephone Labor Inc Automatic calculator
US2551093A (en) * 1947-09-24 1951-05-01 Ibm Combined typewriter and computing machine with accumulators of the relay type
US2538636A (en) * 1947-12-31 1951-01-16 Bell Telephone Labor Inc Digital computer
US2717733A (en) * 1949-05-13 1955-09-13 Ibm Typewriter controlled calculator
NL105847C (da) * 1952-01-31
US2728521A (en) * 1952-04-11 1955-12-27 Friden Calculating Machine Co Apparatus for typing symbols from a register
BE538906A (da) * 1954-06-11
US2855147A (en) * 1954-11-12 1958-10-07 Phillips Petroleum Co Polynomial multiplier
US2919003A (en) * 1955-11-25 1959-12-29 Ibm Consecutive serial numbering device
US3138702A (en) * 1959-10-02 1964-06-23 Tally Register Corp Automatic sequence controlled computer
NL270230A (da) * 1960-10-14

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE458481C (de) * 1923-11-07 1928-04-27 Bernhard Weiner Elektrische Rechen- und Schreibmaschine
DE432436C (de) * 1925-04-28 1926-08-11 Astrawerke Akt Ges Fa Schreibrechenmaschine
DE605740C (de) * 1930-11-09 1934-11-23 Rheinische Metallw & Maschf Selbsttaetige Resultatdruckvorrichtung

Also Published As

Publication number Publication date
FR871955A (da) 1942-05-27
DE950335C (de) 1956-10-04
GB535891A (da)
US2262235A (en) 1941-11-11

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