CH371279A - Additions- oder Subtraktionsschaltung - Google Patents

Additions- oder Subtraktionsschaltung

Info

Publication number
CH371279A
CH371279A CH6655458A CH6655458A CH371279A CH 371279 A CH371279 A CH 371279A CH 6655458 A CH6655458 A CH 6655458A CH 6655458 A CH6655458 A CH 6655458A CH 371279 A CH371279 A CH 371279A
Authority
CH
Switzerland
Prior art keywords
addition
subtraction circuit
subtraction
circuit
Prior art date
Application number
CH6655458A
Other languages
English (en)
Inventor
S Wiedmer Friedrich
Liou Tscheng-Pao
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Priority to CH6655458A priority Critical patent/CH371279A/de
Priority to US850611A priority patent/US3055587A/en
Priority to DEI17270A priority patent/DE1127634B/de
Priority to FR810953A priority patent/FR1260009A/fr
Publication of CH371279A publication Critical patent/CH371279A/de

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
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/4912—Adding; Subtracting
    • 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
    • G06F7/383—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using magnetic or similar elements
    • G06F7/386—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using magnetic or similar elements decimal, radix 20 or 12
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
    • G06F2207/4914—Using 2-out-of-5 code, i.e. binary coded decimal representation with digit weight of 2, 4, 2 and 1 respectively
CH6655458A 1958-11-24 1958-11-24 Additions- oder Subtraktionsschaltung CH371279A (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH6655458A CH371279A (de) 1958-11-24 1958-11-24 Additions- oder Subtraktionsschaltung
US850611A US3055587A (en) 1958-11-24 1959-11-03 Arithmetic system
DEI17270A DE1127634B (de) 1958-11-24 1959-11-21 Elektrische Additionsschaltung und Verfahren zum Betrieb einer derartigen Schaltung
FR810953A FR1260009A (fr) 1958-11-24 1959-11-23 Circuit électrique d'addition ou de soustraction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6655458A CH371279A (de) 1958-11-24 1958-11-24 Additions- oder Subtraktionsschaltung

Publications (1)

Publication Number Publication Date
CH371279A true CH371279A (de) 1963-08-15

Family

ID=4527253

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6655458A CH371279A (de) 1958-11-24 1958-11-24 Additions- oder Subtraktionsschaltung

Country Status (4)

Country Link
US (1) US3055587A (de)
CH (1) CH371279A (de)
DE (1) DE1127634B (de)
FR (1) FR1260009A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286788B (de) * 1964-08-03 1969-01-09 Siemens Ag Anordnung zur Verringerung der Rechenzeit fuer die Differenzbildung zwischen zwei in je einer Zaehlkette gespeicherten Zahlen
DE1234055B (de) * 1964-11-05 1967-02-09 Ibm Deutschland Anordnung zur Addition oder Subtraktion
US3676658A (en) * 1969-12-12 1972-07-11 Singer Co Serial adder/substracter utilizing counters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803401A (en) * 1950-10-10 1957-08-20 Hughes Aircraft Co Arithmetic units for digital computers
US2654080A (en) * 1952-06-19 1953-09-29 Transducer Corp Magnetic memory storage circuits and apparatus
NL92399C (de) * 1954-04-02
US2859359A (en) * 1956-01-31 1958-11-04 Sperry Rand Corp Magnetic binary counting circuit

Also Published As

Publication number Publication date
US3055587A (en) 1962-09-25
DE1127634B (de) 1962-04-12
FR1260009A (fr) 1961-05-05

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