FR1260022A - Dispositif asynchrone d'addition et de soustraction - Google Patents

Dispositif asynchrone d'addition et de soustraction

Info

Publication number
FR1260022A
FR1260022A FR813947A FR813947A FR1260022A FR 1260022 A FR1260022 A FR 1260022A FR 813947 A FR813947 A FR 813947A FR 813947 A FR813947 A FR 813947A FR 1260022 A FR1260022 A FR 1260022A
Authority
FR
France
Prior art keywords
subtraction device
asynchronous addition
asynchronous
addition
subtraction
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
FR813947A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1260022A publication Critical patent/FR1260022A/fr
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
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/5052—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination using carry completion detection, either over all stages or at sample stages only
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1608—Error detection by comparing the output signals of redundant hardware

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Complex Calculations (AREA)
  • Hardware Redundancy (AREA)
FR813947A 1958-12-29 1959-12-23 Dispositif asynchrone d'addition et de soustraction Expired FR1260022A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US783288A US3058656A (en) 1958-12-29 1958-12-29 Asynchronous add-subtract system
US794944A US3051387A (en) 1958-12-29 1959-02-24 Asynchronous adder-subtractor system

Publications (1)

Publication Number Publication Date
FR1260022A true FR1260022A (fr) 1961-05-05

Family

ID=27120122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813947A Expired FR1260022A (fr) 1958-12-29 1959-12-23 Dispositif asynchrone d'addition et de soustraction

Country Status (4)

Country Link
US (2) US3058656A (fr)
FR (1) FR1260022A (fr)
GB (2) GB898594A (fr)
NL (2) NL246812A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278869A (fr) * 1961-05-25
US3244865A (en) * 1961-09-29 1966-04-05 Ibm Asynchronous binary computer system using ternary components
NL300462A (fr) * 1962-11-14
US3405258A (en) * 1965-04-07 1968-10-08 Ibm Reliability test for computer check circuits
US3660646A (en) * 1970-09-22 1972-05-02 Ibm Checking by pseudoduplication
US3986015A (en) * 1975-06-23 1976-10-12 International Business Machines Corporation Arithmetic unit for use in a digital data processor and having an improved system for parity check bit generation and error detection
US4233682A (en) * 1978-06-15 1980-11-11 Sperry Corporation Fault detection and isolation system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2370616A (en) * 1944-07-12 1945-03-06 Ibm Combined dividing and multiplying machine
NL91958C (fr) * 1949-06-22
US2954926A (en) * 1953-01-13 1960-10-04 Sperry Rand Corp Electronic data processing system
US2905833A (en) * 1954-05-17 1959-09-22 Burroughs Corp Logical magnetic circuits
NL202134A (fr) * 1954-11-23
US2861744A (en) * 1955-06-01 1958-11-25 Rca Corp Verification system
US2907526A (en) * 1956-11-02 1959-10-06 Ibm Electronic accumulator
US2939967A (en) * 1957-04-04 1960-06-07 Avco Mfg Corp Bistable semiconductor circuit
NL250876A (fr) * 1959-05-11

Also Published As

Publication number Publication date
GB898594A (en) 1962-06-14
US3051387A (en) 1962-08-28
NL246812A (fr)
NL248536A (fr)
GB916795A (en) 1963-01-30
US3058656A (en) 1962-10-16

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