GB577940A - Improvements in or relating to electrically operated calculating apparatus - Google Patents

Improvements in or relating to electrically operated calculating apparatus

Info

Publication number
GB577940A
GB577940A GB9193/41A GB919341A GB577940A GB 577940 A GB577940 A GB 577940A GB 9193/41 A GB9193/41 A GB 9193/41A GB 919341 A GB919341 A GB 919341A GB 577940 A GB577940 A GB 577940A
Authority
GB
United Kingdom
Prior art keywords
relay
relays
wires
radix
remainder
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
GB9193/41A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB577940A publication Critical patent/GB577940A/en
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
    • G06F7/38—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)
  • Keying Circuit Devices (AREA)
  • Selective Calling Equipment (AREA)
GB9193/41A 1941-07-21 1941-07-21 Improvements in or relating to electrically operated calculating apparatus Expired GB577940A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB577940A true GB577940A (en) 1946-06-06

Family

ID=10259879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9193/41A Expired GB577940A (en) 1941-07-21 1941-07-21 Improvements in or relating to electrically operated calculating apparatus

Country Status (5)

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

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 (nl) * 1949-04-14 Continental Carbon Co Reactor voor het bereiden van roet.
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 (nl) * 1950-11-06 Yokogawa Electric Works Ltd Inrichting voor het meten van de concentratie van een element dat aanwezig is in een koolwaterstofverbinding, welk element een hogere massa-absorptie-coefficient heeft dan de koolstof en waterstof.
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 (fr) * 1951-07-23 1953-10-20 Electronique & Automatisme Sa Dispositifs analyseurs de trains codes d'impulsions électriques
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
NL202210A (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 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 (fr) * 1966-11-18 1968-01-05 Appareil éducatif, notamment pour l'enseignement de la théorie des ensembles, de la logique et de l'algèbre booléenne

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 (enrdf_load_stackoverflow) * 1936-03-27
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine

Also Published As

Publication number Publication date
BE480690A (enrdf_load_stackoverflow)
CH274563A (fr) 1951-04-15
FR933318A (fr) 1948-04-16
US2444042A (en) 1948-06-29

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