FR76557E - Perfectionnements aux machines arithmétiques binaires - Google Patents

Perfectionnements aux machines arithmétiques binaires

Info

Publication number
FR76557E
FR76557E FR804754A FR804754A FR76557E FR 76557 E FR76557 E FR 76557E FR 804754 A FR804754 A FR 804754A FR 804754 A FR804754 A FR 804754A FR 76557 E FR76557 E FR 76557E
Authority
FR
France
Prior art keywords
machines
binary arithmetic
arithmetic
binary
arithmetic machines
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
FR804754A
Other languages
English (en)
Inventor
Louis Etienne Coste
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
Priority to NL246808D priority Critical patent/NL246808A/xx
Priority to FR782757A priority patent/FR1229705A/fr
Application filed filed Critical
Priority to FR804754A priority patent/FR76557E/fr
Priority to GB43418/59A priority patent/GB908272A/en
Priority to DEC20440A priority patent/DE1116445B/de
Priority to US862159A priority patent/US3079081A/en
Priority to FR817187A priority patent/FR77075E/fr
Application granted granted Critical
Publication of FR76557E publication Critical patent/FR76557E/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
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
    • 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
    • G06F11/085—Error detection or correction by redundancy in data representation, e.g. by using checking codes using codes with inherent redundancy, e.g. n-out-of-m codes
    • 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
    • G06F7/4824—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 using signed-digit representation
    • 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
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5332—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by skipping over strings of zeroes or ones, e.g. using the Booth Algorithm
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Complex Calculations (AREA)
  • Error Detection And Correction (AREA)
  • Logic Circuits (AREA)
FR804754A 1958-12-27 1959-09-10 Perfectionnements aux machines arithmétiques binaires Expired FR76557E (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL246808D NL246808A (fr) 1958-12-27
FR782757A FR1229705A (fr) 1958-12-27 1958-12-27 Perfectionnements aux machines arithmétiques binaires
FR804754A FR76557E (fr) 1958-12-27 1959-09-10 Perfectionnements aux machines arithmétiques binaires
GB43418/59A GB908272A (en) 1958-12-27 1959-12-21 Digital computing method and apparatus utilizing algebraic-binary number representation
DEC20440A DE1116445B (de) 1958-12-27 1959-12-24 Rechenverfahren fuer Digitalrechengeraete und Digitalrechengeraet zur Durchfuehrung dieses Verfahrens
US862159A US3079081A (en) 1958-12-27 1959-12-28 Digital computing apparatus utilizing algebraic-binary number representation
FR817187A FR77075E (fr) 1958-12-27 1960-02-01 Perfectionnements aux machines arithmétiques binaires

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR782757A FR1229705A (fr) 1958-12-27 1958-12-27 Perfectionnements aux machines arithmétiques binaires
FR804754A FR76557E (fr) 1958-12-27 1959-09-10 Perfectionnements aux machines arithmétiques binaires
FR817187A FR77075E (fr) 1958-12-27 1960-02-01 Perfectionnements aux machines arithmétiques binaires

Publications (1)

Publication Number Publication Date
FR76557E true FR76557E (fr) 1961-11-10

Family

ID=27245212

Family Applications (3)

Application Number Title Priority Date Filing Date
FR782757A Expired FR1229705A (fr) 1958-12-27 1958-12-27 Perfectionnements aux machines arithmétiques binaires
FR804754A Expired FR76557E (fr) 1958-12-27 1959-09-10 Perfectionnements aux machines arithmétiques binaires
FR817187A Expired FR77075E (fr) 1958-12-27 1960-02-01 Perfectionnements aux machines arithmétiques binaires

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR782757A Expired FR1229705A (fr) 1958-12-27 1958-12-27 Perfectionnements aux machines arithmétiques binaires

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR817187A Expired FR77075E (fr) 1958-12-27 1960-02-01 Perfectionnements aux machines arithmétiques binaires

Country Status (5)

Country Link
US (1) US3079081A (fr)
DE (1) DE1116445B (fr)
FR (3) FR1229705A (fr)
GB (1) GB908272A (fr)
NL (1) NL246808A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053907B2 (ja) * 1978-01-27 1985-11-27 日本電気株式会社 二項ベクトル乗算回路
US20210150413A1 (en) * 2019-11-20 2021-05-20 Mentium Technologies Inc. Data processing system configured for separated computations for positive and negative data

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852699A (en) * 1955-03-23 1958-09-16 Raytheon Mfg Co Magnetic core gating circuits

Also Published As

Publication number Publication date
US3079081A (en) 1963-02-26
FR77075E (fr) 1962-01-12
GB908272A (en) 1962-10-17
DE1116445B (de) 1961-11-02
NL246808A (fr)
FR1229705A (fr) 1960-09-09

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