JPS5317043A - Device for multiplying supplementary code number - Google Patents

Device for multiplying supplementary code number

Info

Publication number
JPS5317043A
JPS5317043A JP8049277A JP8049277A JPS5317043A JP S5317043 A JPS5317043 A JP S5317043A JP 8049277 A JP8049277 A JP 8049277A JP 8049277 A JP8049277 A JP 8049277A JP S5317043 A JPS5317043 A JP S5317043A
Authority
JP
Japan
Prior art keywords
multiplying
code number
supplementary code
supplementary
multiplying supplementary
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.)
Pending
Application number
JP8049277A
Other languages
English (en)
Japanese (ja)
Inventor
Fuedorobuichi Gusefu Buareri
Nikoraebuichi Ibuanof Gennadei
Yakoburebuichi Kon Buradeimiru
Isaebuichi Kurengeru Genrihi
Zakirobuichi Shiyagibu Mansuru
Yakoburebuichi Buyachiesurafu
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.)
Kremlev V J
Original Assignee
Kremlev V J
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 Kremlev V J filed Critical Kremlev V J
Publication of JPS5317043A publication Critical patent/JPS5317043A/ja
Pending 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)
JP8049277A 1976-07-07 1977-07-07 Device for multiplying supplementary code number Pending JPS5317043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762379678A SU651341A1 (ru) 1976-07-07 1976-07-07 Устройство дл умножени

Publications (1)

Publication Number Publication Date
JPS5317043A true JPS5317043A (en) 1978-02-16

Family

ID=20668226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8049277A Pending JPS5317043A (en) 1976-07-07 1977-07-07 Device for multiplying supplementary code number

Country Status (10)

Country Link
JP (1) JPS5317043A (ru)
BG (1) BG29702A1 (ru)
DD (1) DD131420A1 (ru)
DE (1) DE2730793A1 (ru)
FR (1) FR2357958A1 (ru)
GB (1) GB1540945A (ru)
IN (1) IN147436B (ru)
PL (1) PL108592B1 (ru)
RO (1) RO80742A (ru)
SU (1) SU651341A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56145427A (en) * 1979-12-31 1981-11-12 Sperry Rand Corp Multiplier decoding signal using parallel multiplication register

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141753A (en) * 1981-02-25 1982-09-02 Nec Corp Multiplication circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56145427A (en) * 1979-12-31 1981-11-12 Sperry Rand Corp Multiplier decoding signal using parallel multiplication register
JPH0139131B2 (ru) * 1979-12-31 1989-08-18 Unisys Corp

Also Published As

Publication number Publication date
RO80742B (ro) 1983-05-30
DD131420A1 (de) 1978-06-21
RO80742A (ro) 1983-06-01
DE2730793A1 (de) 1978-01-19
PL199449A1 (pl) 1978-03-28
IN147436B (ru) 1980-02-23
GB1540945A (en) 1979-02-21
FR2357958A1 (fr) 1978-02-03
PL108592B1 (en) 1980-04-30
FR2357958B1 (ru) 1980-03-07
SU651341A1 (ru) 1979-03-05
BG29702A1 (en) 1981-01-15

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