CH420676A - Multiplikationseinrichtung - Google Patents

Multiplikationseinrichtung

Info

Publication number
CH420676A
CH420676A CH526163A CH526163A CH420676A CH 420676 A CH420676 A CH 420676A CH 526163 A CH526163 A CH 526163A CH 526163 A CH526163 A CH 526163A CH 420676 A CH420676 A CH 420676A
Authority
CH
Switzerland
Prior art keywords
multiplier
Prior art date
Application number
CH526163A
Other languages
English (en)
Inventor
M Oman Richard
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of CH420676A publication Critical patent/CH420676A/de

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

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)
CH526163A 1962-05-09 1963-04-26 Multiplikationseinrichtung CH420676A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US193472A US3192367A (en) 1962-05-09 1962-05-09 Fast multiply system

Publications (1)

Publication Number Publication Date
CH420676A true CH420676A (de) 1966-09-15

Family

ID=22713784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH526163A CH420676A (de) 1962-05-09 1963-04-26 Multiplikationseinrichtung

Country Status (4)

Country Link
US (1) US3192367A (de)
CH (1) CH420676A (de)
DE (1) DE1202542B (de)
GB (1) GB1015175A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053147A (de) * 1963-06-04
US3730425A (en) * 1971-05-03 1973-05-01 Honeywell Inf Systems Binary two{40 s complement multiplier processing two multiplier bits per cycle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL186882B (nl) * 1953-04-20 Mita Industrial Co Ltd Lichtgevoelig papier voor elektrofotografie.
US3069085A (en) * 1958-04-15 1962-12-18 Ibm Binary digital multiplier

Also Published As

Publication number Publication date
GB1015175A (en) 1965-12-31
US3192367A (en) 1965-06-29
DE1202542B (de) 1965-10-07

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