GB780954A - Improvements in or relating to electric calculating machines - Google Patents

Improvements in or relating to electric calculating machines

Info

Publication number
GB780954A
GB780954A GB22260/54A GB2226054A GB780954A GB 780954 A GB780954 A GB 780954A GB 22260/54 A GB22260/54 A GB 22260/54A GB 2226054 A GB2226054 A GB 2226054A GB 780954 A GB780954 A GB 780954A
Authority
GB
United Kingdom
Prior art keywords
contacts
group
current
closed
relays
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
GB22260/54A
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 GB780954A publication Critical patent/GB780954A/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
    • G06F7/44—Multiplying; Dividing
    • G06F7/443—Multiplying; Dividing by successive additions or subtractions
    • 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
    • G06F7/42—Adding; Subtracting

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Electromagnets (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Electroluminescent Light Sources (AREA)
GB22260/54A 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines Expired GB780954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH780953X 1953-07-31

Publications (1)

Publication Number Publication Date
GB780954A true GB780954A (en) 1957-08-14

Family

ID=4536199

Family Applications (2)

Application Number Title Priority Date Filing Date
GB22260/54A Expired GB780954A (en) 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines
GB22259/54A Expired GB780953A (en) 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB22259/54A Expired GB780953A (en) 1953-07-31 1954-07-30 Improvements in or relating to electric calculating machines

Country Status (6)

Country Link
US (2) US3004704A (https=)
CH (2) CH316201A (https=)
DE (2) DE1131036B (https=)
FR (1) FR1111050A (https=)
GB (2) GB780954A (https=)
NL (3) NL188401B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170096A (en) * 1961-09-29 1965-02-16 El Re Ma S A Per Lo Sfruttamen Electric circuits with groups of relays actuated by current impulses

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE458481C (de) * 1923-11-07 1928-04-27 Bernhard Weiner Elektrische Rechen- und Schreibmaschine
US2348171A (en) * 1939-01-10 1944-05-02 Ibm Accounting machine
BE468901A (https=) * 1941-04-19
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine
BE467038A (https=) * 1944-03-15
US2434499A (en) * 1944-11-10 1948-01-13 Ibm Relay computing mechanism
BE477718A (https=) * 1945-09-29
BE469265A (https=) * 1946-05-01
US2679977A (en) * 1946-12-17 1954-06-01 Bell Telephone Labor Inc Calculator sign control circuit
US2671611A (en) * 1946-12-17 1954-03-09 Bell Telephone Labor Inc Control circuit for calculating machines
US2528101A (en) * 1947-07-29 1950-10-31 Bell Telephone Labor Inc Telephone system
DE830117C (de) * 1950-02-24 1952-01-31 Ibm Deutschland Binaerer Relais-Rechner
CH287272A (de) * 1950-03-20 1952-11-30 El Re Ma S A Schalteinrichtung mit elektromagnetischen Schaltelementen.
DE870921C (de) * 1950-07-19 1953-03-19 Ibm Deutschland Lochgesteuerte Binaer-Multiplikationseinrichtung

Also Published As

Publication number Publication date
CH316201A (fr) 1956-09-30
US3004704A (en) 1961-10-17
CH316200A (fr) 1956-09-30
FR1111050A (fr) 1956-02-21
NL188401B (nl)
DE1074886B (de) 1960-02-04
DE1131036B (de) 1962-06-07
NL189405B (nl)
GB780953A (en) 1957-08-14
US3004703A (en) 1961-10-17
NL104334C (https=)

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