GB945528A - Improvements in or relating to multiplying circuits - Google Patents

Improvements in or relating to multiplying circuits

Info

Publication number
GB945528A
GB945528A GB3590861A GB3590861A GB945528A GB 945528 A GB945528 A GB 945528A GB 3590861 A GB3590861 A GB 3590861A GB 3590861 A GB3590861 A GB 3590861A GB 945528 A GB945528 A GB 945528A
Authority
GB
United Kingdom
Prior art keywords
relating
multiplying circuits
multiplying
circuits
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
GB3590861A
Other languages
English (en)
Inventor
Roy Anthony Francis
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 BE623250D priority Critical patent/BE623250A/xx
Priority to BE612106D priority patent/BE612106A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3590861A priority patent/GB945528A/en
Priority to DEJ22456A priority patent/DE1167567B/de
Priority to FR911411A priority patent/FR82419E/fr
Publication of GB945528A publication Critical patent/GB945528A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48Methods 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
    • G06F7/52Multiplying; Dividing
    • G06F7/523Multiplying only
    • G06F7/533Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5334Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
    • G06F7/5336Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
    • G06F7/5338Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm each bitgroup having two new bits, e.g. 2nd order MBA

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
GB3590861A 1961-10-05 1961-10-05 Improvements in or relating to multiplying circuits Expired GB945528A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE623250D BE623250A (US20100056889A1-20100304-C00004.png) 1961-10-05
BE612106D BE612106A (US20100056889A1-20100304-C00004.png) 1961-10-05
GB3590861A GB945528A (en) 1961-10-05 1961-10-05 Improvements in or relating to multiplying circuits
DEJ22456A DE1167567B (de) 1961-10-05 1962-10-03 Schaltungsanordnung zur Multiplikation binaerer Zahlen
FR911411A FR82419E (fr) 1961-10-05 1962-10-05 Circuit de multiplication binaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3590861A GB945528A (en) 1961-10-05 1961-10-05 Improvements in or relating to multiplying circuits

Publications (1)

Publication Number Publication Date
GB945528A true GB945528A (en) 1964-01-02

Family

ID=10382886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3590861A Expired GB945528A (en) 1961-10-05 1961-10-05 Improvements in or relating to multiplying circuits

Country Status (3)

Country Link
BE (2) BE623250A (US20100056889A1-20100304-C00004.png)
DE (1) DE1167567B (US20100056889A1-20100304-C00004.png)
GB (1) GB945528A (US20100056889A1-20100304-C00004.png)

Also Published As

Publication number Publication date
DE1167567B (de) 1964-04-09
BE623250A (US20100056889A1-20100304-C00004.png)
BE612106A (US20100056889A1-20100304-C00004.png)

Similar Documents

Publication Publication Date Title
GB1040044A (en) Improvements in or relating to potentiometers
GB1062735A (en) Improvements relating to inverter circuits
GB993642A (en) Improvements in or relating to transducers
GB998882A (en) Improvements in or relating to computers
MY6700132A (en) Improvements in or relating to buckles
GB945528A (en) Improvements in or relating to multiplying circuits
CY374A (en) Improvements in or relating to piperidylidene-thiaxynthene
AU266275B2 (en) Improvements in or relating to multiplying circuits
GB1001556A (en) Improvements in or relating to adjustable viewfinders
GB1003128A (en) Improvements in or relating to moulds
AU1918862A (en) Improvements in or relating to multiplying circuits
GB1005367A (en) Improvements in or relating to carburettors
AU247105B2 (en) Improvements in or relating to rectifier circuit arrangements
AU266868B2 (en) Improvements in or relating to time-base circuits
GB1040045A (en) Improvements in or relating to potentiometers
AU256420B2 (en) Improvements in or relating to time base circuits
MY6400124A (en) Improvements in or relating to decorating cans
AU252724B2 (en) N improvements in or relating to electrical circuits
AU265480B2 (en) Improvements in or relating to electrical circuits
CY448A (en) Improvements in or relating to homotriaxanthenes
AU273695B2 (en) Improvements in or relating to semiconductor counting circuits
AU263986B2 (en) Improvements in or relating to amplifier circuits
AU1074461A (en) Improvements in or relating to rectifier circuit arrangements
AU2095262A (en) Improvements in or relating to time-base circuits
AU244289B2 (en) Improvements in or relating to stencils