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CH295129A - Dispositif d'addition. - Google Patents

Dispositif d'addition.

Info

Publication number
CH295129A
CH295129A CH295129DA CH295129A CH 295129 A CH295129 A CH 295129A CH 295129D A CH295129D A CH 295129DA CH 295129 A CH295129 A CH 295129A
Authority
CH
Switzerland
Prior art keywords
addition device
addition
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Internati Machines
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH295129A publication Critical patent/CH295129A/fr

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
    • G06F7/527—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel
    • G06F7/5272—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with row wise addition of partial products
    • G06F7/5275—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with row wise addition of partial products using carry save adders
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • H03K5/15026—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages
    • H03K5/1504—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages using a chain of active delay devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/3808—Details concerning the type of numbers or the way they are handled
    • G06F2207/3852—Calculation with most significant digit first

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Electronic Switches (AREA)
  • Testing Relating To Insulation (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CH295129D 1948-09-03 1949-09-02 Dispositif d'addition. CH295129A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47626A US2672283A (en) 1948-09-03 1948-09-03 Electronic multiplier

Publications (1)

Publication Number Publication Date
CH295129A true CH295129A (fr) 1953-12-15

Family

ID=21950018

Family Applications (1)

Application Number Title Priority Date Filing Date
CH295129D CH295129A (fr) 1948-09-03 1949-09-02 Dispositif d'addition.

Country Status (6)

Country Link
US (1) US2672283A (fr)
CH (1) CH295129A (fr)
DE (1) DE908421C (fr)
FR (1) FR1045570A (fr)
GB (1) GB667794A (fr)
NL (1) NL148455B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829822A (en) * 1949-10-24 1958-04-08 Marchant Calculators Inc Binary value calculator
US2945625A (en) * 1949-12-02 1960-07-19 Int Standard Electric Corp Information handling equipment
BE509630A (fr) * 1951-03-30
NL175656B (nl) * 1952-01-31 Neumann & Co Ag Dakbeschieting voor met dakbedekkingselementen af te dekken daken.
FR1084147A (fr) * 1952-03-31 1955-01-17
US2812134A (en) * 1952-06-26 1957-11-05 Int Standard Electric Corp Binary electrical counting circuit
US2910237A (en) * 1952-12-05 1959-10-27 Lab For Electronics Inc Pulse rate multipler
NL185619B (nl) * 1953-03-05 Basf Ag Werkwijze voor het winnen van butadieen-1,3 uit mengsels van koolwaterstoffen, die vier koolstofatomen bevatten door middel van extractieve destillatie.
GB789207A (en) * 1953-03-24 1958-01-15 Nat Res Dev Electronic digital computing machines
GB789209A (en) * 1953-03-24 1958-01-15 Nat Res Dev Electronic digital computing machines
DE1051030B (de) * 1954-01-15 1959-02-19 IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindelfingen (Württ.) Elektronische Multiplikationsmaschine
US2994478A (en) * 1954-03-05 1961-08-01 Research Corp Digital computer with inherent shift
US2853630A (en) * 1954-06-08 1958-09-23 Hughes Aircraft Co Circuits for clamping voltage levels in gating matrices
US2997233A (en) * 1954-06-28 1961-08-22 Burroughs Corp Combined shift register and counter circuit
NL198494A (fr) * 1954-07-01
DE1181949B (de) * 1954-09-24 1964-11-19 Ibm Deutschland Speicher- und Verzoegerungsanordnung fuer elektrische Rechenmaschinen
NL202210A (fr) * 1954-11-22
US3016195A (en) * 1954-12-30 1962-01-09 Ibm Binary multiplier
US2981470A (en) * 1955-06-02 1961-04-25 Char c ba
US2961160A (en) * 1956-05-28 1960-11-22 Toledo Scale Corp Electronic multiplier
US3017095A (en) * 1959-05-15 1962-01-16 Grundig Max Electric multiplying arrangement
US3156815A (en) * 1961-01-03 1964-11-10 Bunker Ramo Register monitor
US3192363A (en) * 1961-05-24 1965-06-29 Ibm Binary multipler for skipping a string of zeroes or ones
NL279116A (fr) * 1961-05-31
US3163749A (en) * 1961-06-15 1964-12-29 Ibm Photoconductive combinational multipler
GB2207379A (en) * 1987-07-30 1989-02-01 Christopher George Gibbs Scraper
EP0576262B1 (fr) * 1992-06-25 2000-08-23 Canon Kabushiki Kaisha Appareil pour la multiplication de nombres entiers à beaucoup de chiffres
US10534840B1 (en) * 2018-08-08 2020-01-14 Sandisk Technologies Llc Multiplication using non-volatile memory cells

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275016A (en) * 1939-05-27 1942-03-03 Rca Corp Control system
US2405237A (en) * 1941-10-04 1946-08-06 Arthur J Ruhlig Electronic trigger circuit with time-delay
US2404047A (en) * 1943-01-21 1946-07-16 Rca Corp Electronic computing device
US2398771A (en) * 1943-05-24 1946-04-23 Ncr Co Electronic device
US2445215A (en) * 1943-10-21 1948-07-13 Rca Corp Electronic computer
US2428812A (en) * 1943-11-25 1947-10-14 Rca Corp Electronic computing device
US2435598A (en) * 1943-12-28 1948-02-10 Bell Telephone Labor Inc Electric pulse delay circuit
US2406350A (en) * 1944-07-25 1946-08-27 Bell Telephone Labor Inc Switching mechanism for signal systems
US2425131A (en) * 1945-01-29 1947-08-05 Rca Corp Electronic computing circuit
US2447799A (en) * 1945-04-05 1948-08-24 Ibm Sequential electronic commutator with supplementary grid control
US2447800A (en) * 1945-04-10 1948-08-24 Ibm Sequential electronic commutator with supplementary grid control
US2482759A (en) * 1945-04-16 1949-09-27 Jr Ralph D Goodrich Electronic switch with common cathode output
US2429227A (en) * 1945-06-11 1947-10-21 Rca Corp Electronic computing system
US2429228A (en) * 1945-06-11 1947-10-21 Rca Corp Electronic computer
US2489813A (en) * 1945-07-26 1949-11-29 Rca Corp Transmitter apparatus

Also Published As

Publication number Publication date
NL148455B (nl)
FR1045570A (fr) 1953-11-30
US2672283A (en) 1954-03-16
DE908421C (de) 1954-04-05
GB667794A (en) 1952-03-05

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