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GB780955A - Improvements in or relating to electric calculating machines - Google Patents

Improvements in or relating to electric calculating machines

Info

Publication number
GB780955A
GB780955A GB22261/54A GB2226154A GB780955A GB 780955 A GB780955 A GB 780955A GB 22261/54 A GB22261/54 A GB 22261/54A GB 2226154 A GB2226154 A GB 2226154A GB 780955 A GB780955 A GB 780955A
Authority
GB
United Kingdom
Prior art keywords
july
relating
referred
current
electric 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
GB22261/54A
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.)
El Re Ma S A
Original Assignee
El Re Ma S A
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 El Re Ma S A filed Critical El Re Ma S A
Publication of GB780955A publication Critical patent/GB780955A/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
    • G06F7/42—Adding; Subtracting

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)
  • Measurement Of Current Or Voltage (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Relay Circuits (AREA)
GB22261/54A 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines Expired GB780955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH780955X 1953-07-31

Publications (1)

Publication Number Publication Date
GB780955A true GB780955A (en) 1957-08-14

Family

ID=4536200

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22261/54A Expired GB780955A (en) 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines

Country Status (6)

Country Link
US (1) US3009639A (fr)
CH (1) CH315927A (fr)
DE (1) DE1073773B (fr)
FR (1) FR1110837A (fr)
GB (1) GB780955A (fr)
NL (2) NL188644B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015445A (en) * 1958-05-20 1962-01-02 Uchida Yoko Company Ltd Relay type bi-quinary adder apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136143B (de) * 1960-02-03 1962-09-06 Anker Werke Ag Geschaeftsmaschine zur Errechnung von Zinsen
US3308284A (en) * 1963-06-28 1967-03-07 Ibm Qui-binary adder and readout latch
US3293423A (en) * 1964-01-13 1966-12-20 Cincinnati Milling Machine Co Quinary adder carry circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386763A (en) * 1940-08-07 1945-10-16 Bell Telephone Labor Inc Record controlled system
BE469839A (fr) * 1941-04-24
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine
NL77661C (fr) * 1945-09-29
US2679977A (en) * 1946-12-17 1954-06-01 Bell Telephone Labor Inc Calculator sign control circuit
CH287272A (de) * 1950-03-20 1952-11-30 El Re Ma S A Schalteinrichtung mit elektromagnetischen Schaltelementen.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015445A (en) * 1958-05-20 1962-01-02 Uchida Yoko Company Ltd Relay type bi-quinary adder apparatus

Also Published As

Publication number Publication date
DE1073773B (de) 1960-01-21
FR1110837A (fr) 1956-02-17
US3009639A (en) 1961-11-21
CH315927A (fr) 1956-09-15
NL188644B (nl)
NL103491C (fr)

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