GB616962A - Improvements in or relating to multiplying machines - Google Patents

Improvements in or relating to multiplying machines

Info

Publication number
GB616962A
GB616962A GB28776/46A GB2877646A GB616962A GB 616962 A GB616962 A GB 616962A GB 28776/46 A GB28776/46 A GB 28776/46A GB 2877646 A GB2877646 A GB 2877646A GB 616962 A GB616962 A GB 616962A
Authority
GB
United Kingdom
Prior art keywords
trigger
valve
counter
impulse
pulses
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
GB28776/46A
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB616962A publication Critical patent/GB616962A/en
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
    • G06F7/491—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C11/00—Output mechanisms
    • G06C11/08—Output mechanisms with punching mechanism
    • 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.
    • G06F7/4915—Multiplying; Dividing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Magnetically Actuated Valves (AREA)
  • Feedback Control In General (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB28776/46A 1945-09-27 1946-09-26 Improvements in or relating to multiplying machines Expired GB616962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618881A US2624507A (en) 1945-09-27 1945-09-27 Electronic calculating machine

Publications (1)

Publication Number Publication Date
GB616962A true GB616962A (en) 1949-01-28

Family

ID=24479514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28776/46A Expired GB616962A (en) 1945-09-27 1946-09-26 Improvements in or relating to multiplying machines

Country Status (7)

Country Link
US (1) US2624507A (US06596103-20030722-C00008.png)
BE (1) BE468385A (US06596103-20030722-C00008.png)
CH (1) CH270295A (US06596103-20030722-C00008.png)
DE (1) DE966461C (US06596103-20030722-C00008.png)
FR (1) FR941734A (US06596103-20030722-C00008.png)
GB (1) GB616962A (US06596103-20030722-C00008.png)
NL (2) NL83370C (US06596103-20030722-C00008.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604262A (en) * 1949-01-19 1952-07-22 Ibm Multiplying and dividing means
US2702666A (en) * 1949-12-08 1955-02-22 Ibm Multifrequency electronic multiplier
US2934262A (en) * 1953-07-27 1960-04-26 Curtiss Wright Corp Electronic digital computer
US3120606A (en) * 1947-06-26 1964-02-04 Sperry Rand Corp Electronic numerical integrator and computer

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817477A (en) * 1947-03-14 1957-12-24 Bell Telephone Labor Inc Electronic computer
US2829822A (en) * 1949-10-24 1958-04-08 Marchant Calculators Inc Binary value calculator
US2785859A (en) * 1950-12-28 1957-03-19 Ibm Carry circuit for parallel operated accumulator
US2931571A (en) * 1951-04-11 1960-04-05 Ncr Co Magnetic storage of multiple totals
US2780408A (en) * 1951-06-22 1957-02-05 Sperry Rand Corp Electronic accumulator
NL102606C (US06596103-20030722-C00008.png) * 1951-10-04
US2770415A (en) * 1951-12-03 1956-11-13 Clary Corp Read-out and radix conversion apparatus for electronic computing apparatus
FR1084147A (US06596103-20030722-C00008.png) * 1952-03-31 1955-01-17
BE529426A (US06596103-20030722-C00008.png) * 1953-06-09
US2884189A (en) * 1953-08-31 1959-04-28 Ibm Read-in circuit
US2843840A (en) * 1953-12-09 1958-07-15 Applied Science Corp Of Prince Numerical tabulator
DE1051030B (de) * 1954-01-15 1959-02-19 IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) Elektronische Multiplikationsmaschine
US3008639A (en) * 1954-04-16 1961-11-14 Ibm Electronic accumulator in which the component trigger circuits are operated relatively continuously
US2923473A (en) * 1954-08-10 1960-02-02 Buchungsmaschinenwerk Veb Digital multiplier apparatus
DE1056395B (de) * 1955-10-01 1959-04-30 Michael Maul Elektrischer Reihenrechner
GB852184A (en) * 1956-02-25 1960-10-26 Gerhard Dirks Improvements in electric calculators
US3024991A (en) * 1956-09-04 1962-03-13 Gen Dynamics Corp Cost calcultor
DE1071985B (US06596103-20030722-C00008.png) * 1957-01-11

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE343960A (US06596103-20030722-C00008.png) * 1926-08-02
US1982020A (en) * 1931-11-10 1934-11-27 Ibm Tabulating machine
US2182006A (en) * 1934-12-19 1939-12-05 Ibm Tabulating machine
GB476935A (en) * 1938-05-18 1937-12-15 Alan Dower Blumlein Improvements in or relating to television systems
US2346616A (en) * 1940-05-13 1944-04-11 Ncr Co Multiplying machine
BE469769A (US06596103-20030722-C00008.png) * 1941-05-23 1900-01-01
US2465355A (en) * 1943-01-27 1949-03-29 George W Cook Wave analyzer
NL73141C (US06596103-20030722-C00008.png) * 1943-04-17
US2442428A (en) * 1943-12-27 1948-06-01 Ncr Co Calculating device
US2502360A (en) * 1947-03-14 1950-03-28 Bell Telephone Labor Inc Electronic computer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120606A (en) * 1947-06-26 1964-02-04 Sperry Rand Corp Electronic numerical integrator and computer
US2604262A (en) * 1949-01-19 1952-07-22 Ibm Multiplying and dividing means
US2702666A (en) * 1949-12-08 1955-02-22 Ibm Multifrequency electronic multiplier
US2934262A (en) * 1953-07-27 1960-04-26 Curtiss Wright Corp Electronic digital computer

Also Published As

Publication number Publication date
CH270295A (fr) 1950-08-31
NL75747C (US06596103-20030722-C00008.png)
FR941734A (fr) 1949-01-19
DE966461C (de) 1957-07-25
NL83370C (US06596103-20030722-C00008.png)
US2624507A (en) 1953-01-06
BE468385A (US06596103-20030722-C00008.png)

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