US3009639A - Electrical calculation circuit - Google Patents

Electrical calculation circuit Download PDF

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Publication number
US3009639A
US3009639A US445119A US44511954A US3009639A US 3009639 A US3009639 A US 3009639A US 445119 A US445119 A US 445119A US 44511954 A US44511954 A US 44511954A US 3009639 A US3009639 A US 3009639A
Authority
US
United States
Prior art keywords
contacts
windings
group
contact
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 - Lifetime
Application number
US445119A
Other languages
English (en)
Inventor
Hoppe Walter
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 Per Lo Sfruttamen
El-Re-Ma Sa Per Lo Sfruttamento Di Brevetti
Original Assignee
El Re Ma S A Per Lo Sfruttamen
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 Per Lo Sfruttamen filed Critical El Re Ma S A Per Lo Sfruttamen
Application granted granted Critical
Publication of US3009639A publication Critical patent/US3009639A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • 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)
  • Interface Circuits In Exchanges (AREA)
  • Relay Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
US445119A 1953-07-31 1954-07-22 Electrical calculation circuit Expired - Lifetime US3009639A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
US3009639A true US3009639A (en) 1961-11-21

Family

ID=4536200

Family Applications (1)

Application Number Title Priority Date Filing Date
US445119A Expired - Lifetime US3009639A (en) 1953-07-31 1954-07-22 Electrical calculation circuit

Country Status (6)

Country Link
US (1) US3009639A (de)
CH (1) CH315927A (de)
DE (1) DE1073773B (de)
FR (1) FR1110837A (de)
GB (1) GB780955A (de)
NL (2) NL103491C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293423A (en) * 1964-01-13 1966-12-20 Cincinnati Milling Machine Co Quinary adder carry circuit
US3308284A (en) * 1963-06-28 1967-03-07 Ibm Qui-binary adder and readout latch

Families Citing this family (2)

* 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
DE1136143B (de) * 1960-02-03 1962-09-06 Anker Werke Ag Geschaeftsmaschine zur Errechnung von Zinsen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine
US2386763A (en) * 1940-08-07 1945-10-16 Bell Telephone Labor Inc Record controlled system
US2486809A (en) * 1945-09-29 1949-11-01 Bell Telephone Labor Inc Biquinary system calculator
US2601281A (en) * 1941-04-24 1952-06-24 Int Standard Electric Corp Binary add-subtract device
US2679977A (en) * 1946-12-17 1954-06-01 Bell Telephone Labor Inc Calculator sign control circuit
US2699290A (en) * 1950-03-20 1955-01-11 Hoppe Walter Electromagnetic adding device for computers

Patent Citations (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
US2601281A (en) * 1941-04-24 1952-06-24 Int Standard Electric Corp Binary add-subtract device
US2364540A (en) * 1942-10-10 1944-12-05 Ibm Calculating machine
US2486809A (en) * 1945-09-29 1949-11-01 Bell Telephone Labor Inc Biquinary system calculator
US2679977A (en) * 1946-12-17 1954-06-01 Bell Telephone Labor Inc Calculator sign control circuit
US2699290A (en) * 1950-03-20 1955-01-11 Hoppe Walter Electromagnetic adding device for computers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CH315927A (fr) 1956-09-15
GB780955A (en) 1957-08-14
DE1073773B (de) 1960-01-21
NL188644B (nl)
NL103491C (de)
FR1110837A (fr) 1956-02-17

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