FR933318A - Improvements to electrically operated calculating equipment - Google Patents

Improvements to electrically operated calculating equipment

Info

Publication number
FR933318A
FR933318A FR933318DA FR933318A FR 933318 A FR933318 A FR 933318A FR 933318D A FR933318D A FR 933318DA FR 933318 A FR933318 A FR 933318A
Authority
FR
France
Prior art keywords
electrically operated
calculating equipment
operated calculating
equipment
electrically
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
French (fr)
Inventor
George Clifford Hartley
Leslie Baines Haigh
John Ridd Gould
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 Standard Electric Corp
Original Assignee
International Standard Electric 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 Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR933318A publication Critical patent/FR933318A/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
    • G06F7/40—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

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)
  • Selective Calling Equipment (AREA)
  • Keying Circuit Devices (AREA)
FR933318D 1941-07-21 1946-09-07 Improvements to electrically operated calculating equipment Expired FR933318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB274563X 1941-07-21

Publications (1)

Publication Number Publication Date
FR933318A true FR933318A (en) 1948-04-16

Family

ID=10259879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933318D Expired FR933318A (en) 1941-07-21 1946-09-07 Improvements to electrically operated calculating equipment

Country Status (5)

Country Link
US (1) US2444042A (en)
BE (1) BE480690A (en)
CH (1) CH274563A (en)
FR (1) FR933318A (en)
GB (1) GB577940A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973898A (en) * 1961-03-07 reynolds
US2552760A (en) * 1945-05-02 1951-05-15 Automatic Elect Lab Binary calculator
US2620974A (en) * 1947-03-31 1952-12-09 Raymond L A Valtat Binary network type calculating machine
NL152914B (en) * 1949-04-14 Continental Carbon Co REACTOR FOR PREPARING SOOT.
US2713456A (en) * 1949-10-24 1955-07-19 Marchant Calculators Inc Machine for translating binary values to decimal values
US2657856A (en) * 1949-11-15 1953-11-03 Gen Electric Number converter
NL157109B (en) * 1950-11-06 Yokogawa Electric Works Ltd DEVICE FOR MEASURING THE CONCENTRATION OF AN ELEMENT PRESENT IN A HYDROCARBON COMPOUND, WHICH ELEMENT HAS A HIGHER MASS ABSORPTION COEFFICIENT THAN CARBON AND HYDROGEN.
US2759784A (en) * 1950-12-09 1956-08-21 Cons Electrodynamics Corp Decimal-digital recording system
US2658972A (en) * 1951-05-23 1953-11-10 Burroughs Adding Machine Co Mechanical bi-stable device
FR1040913A (en) * 1951-07-23 1953-10-20 Electronique & Automatisme Sa Electrical pulse code train analyzer devices
US2754503A (en) * 1951-12-21 1956-07-10 Little Inc A Digital reading apparatus
US2761620A (en) * 1952-05-26 1956-09-04 Clary Corp Computing system
GB745907A (en) * 1952-11-04 1956-03-07 British Tabulating Mach Co Ltd Improvements in or relating to electronic apparatus for translating a number from a first to a second radix of notation
US2860831A (en) * 1953-12-21 1958-11-18 Gen Electric Radix converter
US2940669A (en) * 1954-03-10 1960-06-14 Gen Electric Radix converter
US2909993A (en) * 1954-11-18 1959-10-27 Ibm Printer for calculating unit
BE542991A (en) * 1954-11-22
US2989235A (en) * 1954-12-31 1961-06-20 Ibm Binary-decimal conversion system
US2959351A (en) * 1955-11-02 1960-11-08 Ibm Data storage and processing machine
US2899132A (en) * 1955-12-30 1959-08-11 orthuber
US2934754A (en) * 1957-02-26 1960-04-26 Westinghouse Air Brake Co Code converters
NL225928A (en) * 1957-03-20
US3099742A (en) * 1959-03-13 1963-07-30 Westinghouse Air Brake Co Digital flow computer employing a logarithmic mode of computation
GB965749A (en) * 1959-11-07 1964-08-06 Emi Ltd Improvements relating to devices for dividing numbers
US3242323A (en) * 1962-12-10 1966-03-22 Westinghouse Air Brake Co Binary to decimal binary code translator
FR1508206A (en) * 1966-11-18 1968-01-05 Educational device, especially for teaching set theory, logic and Boolean algebra

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB410129A (en) * 1931-09-12 1934-05-09 Raymond Louis Andre Valtat Improvements in or relating to calculating and like apparatus
US2191567A (en) * 1936-01-04 1940-02-27 Hofgaard Rolf Calculating machine
BE414686A (en) * 1936-03-27
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine

Also Published As

Publication number Publication date
US2444042A (en) 1948-06-29
BE480690A (en)
GB577940A (en) 1946-06-06
CH274563A (en) 1951-04-15

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