FR1008255A - Appareil à calculer électronique - Google Patents

Appareil à calculer électronique

Info

Publication number
FR1008255A
FR1008255A FR1008255DA FR1008255A FR 1008255 A FR1008255 A FR 1008255A FR 1008255D A FR1008255D A FR 1008255DA FR 1008255 A FR1008255 A FR 1008255A
Authority
FR
France
Prior art keywords
calculating device
electronic calculating
electronic
calculating
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 FR1008255A publication Critical patent/FR1008255A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/74—Selecting or encoding within a word the position of one or more bits having a specified value, e.g. most or least significant one or zero detection, priority encoders
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Endoscopes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Magnetically Actuated Valves (AREA)
FR1008255D 1949-01-15 1950-01-12 Appareil à calculer électronique Expired FR1008255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71062A US2591541A (en) 1949-01-15 1949-01-15 Electronic accumulator

Publications (1)

Publication Number Publication Date
FR1008255A true FR1008255A (fr) 1952-05-15

Family

ID=22099013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008255D Expired FR1008255A (fr) 1949-01-15 1950-01-12 Appareil à calculer électronique

Country Status (4)

Country Link
US (1) US2591541A (fr)
DE (1) DE951396C (fr)
FR (1) FR1008255A (fr)
GB (2) GB675060A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703678A (en) * 1950-12-26 1955-03-08 Friden Calculating Machine Co Electronic counter
US2774535A (en) * 1952-04-21 1956-12-18 Lloyd D Anderson Variable amplitude signal analyzer
DE970764C (de) * 1954-03-31 1958-10-30 Siemens Ag Schaltvorrichtung mit gas- oder dampfgefuellten Entladungsroehren

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2308778A (en) * 1939-09-11 1943-01-19 Jr Leon M Prince Automatic telephone system
FR887732A (fr) * 1940-01-20 1943-11-22
US2404918A (en) * 1940-05-01 1946-07-30 Research Corp Counting system
US2356761A (en) * 1940-08-23 1944-08-29 Stockton Profile Gauge Corp Area measuring machine
US2310105A (en) * 1941-04-16 1943-02-02 Gen Electric Counter circuit
US2405096A (en) * 1941-06-04 1946-07-30 Ncr Co Electronic accumulator
US2404565A (en) * 1942-04-25 1946-07-23 Rca Corp Telegraphy
US2426279A (en) * 1942-04-30 1947-08-26 Ncr Co Electronic accumulator
GB557172A (en) * 1942-05-06 1943-11-08 Gen Electric Improvements in and relating to counter circuits
GB592797A (en) * 1943-02-25 1947-09-30 Ncr Co Improvements in or relating to communication systems and apparatus
GB567863A (en) * 1943-08-31 1945-03-06 Standard Telephones Cables Ltd Improvements in or relating to arrangements for counting electrical impulses
US2442428A (en) * 1943-12-27 1948-06-01 Ncr Co Calculating device

Also Published As

Publication number Publication date
GB675032A (en) 1952-07-02
DE951396C (de) 1956-10-25
GB675060A (en) 1952-07-02
US2591541A (en) 1952-04-01

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