GB732902A - Improvements in or relating to devices for performing arithmetical operations - Google Patents

Improvements in or relating to devices for performing arithmetical operations

Info

Publication number
GB732902A
GB732902A GB19945/51A GB1994551A GB732902A GB 732902 A GB732902 A GB 732902A GB 19945/51 A GB19945/51 A GB 19945/51A GB 1994551 A GB1994551 A GB 1994551A GB 732902 A GB732902 A GB 732902A
Authority
GB
United Kingdom
Prior art keywords
trigger
impulses
carry
circuit
gate
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
GB19945/51A
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.)
Compagnie des Machines Bull SA
Original Assignee
Compagnie des Machines Bull SA
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 Compagnie des Machines Bull SA filed Critical Compagnie des Machines Bull SA
Publication of GB732902A publication Critical patent/GB732902A/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
    • G06F7/48—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
    • G06F7/50—Adding; Subtracting
    • G06F7/504—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • G06F7/5045—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other for multiple operands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulse Circuits (AREA)
  • Dram (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB19945/51A 1951-01-04 1951-08-23 Improvements in or relating to devices for performing arithmetical operations Expired GB732902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1030471T 1951-01-04

Publications (1)

Publication Number Publication Date
GB732902A true GB732902A (en) 1955-06-29

Family

ID=9346069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19945/51A Expired GB732902A (en) 1951-01-04 1951-08-23 Improvements in or relating to devices for performing arithmetical operations

Country Status (6)

Country Link
US (1) US2812903A (US20100223739A1-20100909-C00025.png)
BE (1) BE504436A (US20100223739A1-20100909-C00025.png)
DE (1) DE868226C (US20100223739A1-20100909-C00025.png)
FR (1) FR1030471A (US20100223739A1-20100909-C00025.png)
GB (1) GB732902A (US20100223739A1-20100909-C00025.png)
NL (1) NL158533C (US20100223739A1-20100909-C00025.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1042827A (fr) * 1951-03-29 1953-11-04 Electronique & Automatisme Sa Dispositifs pour l'addition et la soustraction de deux grandeurs
BE514392A (US20100223739A1-20100909-C00025.png) * 1951-09-25
US2888202A (en) * 1953-11-25 1959-05-26 Hughes Aircraft Co Multiple input binary adder-subtracters
NL197255A (US20100223739A1-20100909-C00025.png) * 1954-05-14
US2982472A (en) * 1955-05-02 1961-05-02 Harry D Huskey Binary digital computer with magnetic drum storage
US2936957A (en) * 1956-01-30 1960-05-17 Smith Corona Marchant Inc Calculating machines
US2881979A (en) * 1956-06-07 1959-04-14 Burroughs Corp Binary adder
GB857949A (en) * 1958-06-05 1961-01-04 Roe A V & Co Ltd Improvements relating to digital computing engines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590950A (en) * 1950-11-16 1952-04-01 Eckert Mauchly Comp Corp Signal responsive circuit

Also Published As

Publication number Publication date
DE868226C (de) 1953-02-23
FR1030471A (fr) 1953-06-15
US2812903A (en) 1957-11-12
BE504436A (US20100223739A1-20100909-C00025.png)
NL158533C (US20100223739A1-20100909-C00025.png)

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