DE1090885B - Parallel arbeitende, synchrone, elektrische, binaerrechnende Zahlenrechenmaschine, welche die Operation x+yz selbsttaetig auszufuehren vermag - Google Patents

Parallel arbeitende, synchrone, elektrische, binaerrechnende Zahlenrechenmaschine, welche die Operation x+yz selbsttaetig auszufuehren vermag

Info

Publication number
DE1090885B
DE1090885B DEN14802A DEN0014802A DE1090885B DE 1090885 B DE1090885 B DE 1090885B DE N14802 A DEN14802 A DE N14802A DE N0014802 A DEN0014802 A DE N0014802A DE 1090885 B DE1090885 B DE 1090885B
Authority
DE
Germany
Prior art keywords
register
digits
micro
control circuit
written
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
DEN14802A
Other languages
German (de)
English (en)
Inventor
Simon Duinker
Herman Jacob Heijn
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1090885B publication Critical patent/DE1090885B/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/5443—Sum of products

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Executing Machine-Instructions (AREA)
DEN14802A 1957-03-16 1958-03-14 Parallel arbeitende, synchrone, elektrische, binaerrechnende Zahlenrechenmaschine, welche die Operation x+yz selbsttaetig auszufuehren vermag Pending DE1090885B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL215456 1957-03-16

Publications (1)

Publication Number Publication Date
DE1090885B true DE1090885B (de) 1960-10-13

Family

ID=19750848

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN14802A Pending DE1090885B (de) 1957-03-16 1958-03-14 Parallel arbeitende, synchrone, elektrische, binaerrechnende Zahlenrechenmaschine, welche die Operation x+yz selbsttaetig auszufuehren vermag

Country Status (6)

Country Link
US (1) US3019977A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH385520A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1) DE1090885B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR1200808A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB871477A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (2) NL113801C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190705B (de) * 1963-06-28 1965-04-08 Telefunken Patent Elektronische Vierspeziesrecheneinheit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265874A (en) * 1961-12-27 1966-08-09 Scm Corp Data processing devices and systems
EP0086904B1 (de) * 1982-02-18 1985-11-21 Deutsche ITT Industries GmbH Digitale Parallel-Rechenschaltung für positive und negative Binärzahlen
JPS62194540A (ja) * 1986-02-21 1987-08-27 Toshiba Corp ディジタル信号処理回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662767A (en) * 1948-01-16 1951-12-12 British Tabulating Mach Co Ltd Improvements in and relating to calculating machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666575A (en) * 1949-10-26 1954-01-19 Gen Electric Calculating device
GB799705A (en) * 1953-11-20 1958-08-13 Nat Res Dev Improvements in or relating to electronic digital computing machines
US2913176A (en) * 1955-03-30 1959-11-17 Underwood Corp Data processing system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662767A (en) * 1948-01-16 1951-12-12 British Tabulating Mach Co Ltd Improvements in and relating to calculating machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190705B (de) * 1963-06-28 1965-04-08 Telefunken Patent Elektronische Vierspeziesrecheneinheit

Also Published As

Publication number Publication date
CH385520A (de) 1964-12-15
NL215456A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB871477A (en) 1961-06-28
US3019977A (en) 1962-02-06
NL113801C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR1200808A (fr) 1959-12-24

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