FR1152538A - Calculatrice à transistors - Google Patents

Calculatrice à transistors

Info

Publication number
FR1152538A
FR1152538A FR1152538DA FR1152538A FR 1152538 A FR1152538 A FR 1152538A FR 1152538D A FR1152538D A FR 1152538DA FR 1152538 A FR1152538 A FR 1152538A
Authority
FR
France
Prior art keywords
calculator
transistor
transistor calculator
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
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1152538A publication Critical patent/FR1152538A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/4915—Multiplying; Dividing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/4915—Multiplying; Dividing
    • G06F7/4917—Dividing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4983—Multiplying; Dividing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4983—Multiplying; Dividing
    • G06F7/4985—Multiplying; Dividing by successive additions or subtractions
FR1152538D 1954-07-01 1955-06-23 Calculatrice à transistors Expired FR1152538A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US440621A US2942780A (en) 1954-07-01 1954-07-01 Multiplier-divider employing transistors

Publications (1)

Publication Number Publication Date
FR1152538A true FR1152538A (fr) 1958-02-19

Family

ID=23749497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1152538D Expired FR1152538A (fr) 1954-07-01 1955-06-23 Calculatrice à transistors

Country Status (5)

Country Link
US (1) US2942780A (fr)
DE (1) DE1076971B (fr)
FR (1) FR1152538A (fr)
GB (1) GB803431A (fr)
NL (1) NL198494A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116411A (en) * 1959-06-15 1963-12-31 Control Data Corp Binary multiplication system utilizing a zero mode and a one mode
US3028086A (en) * 1959-08-26 1962-04-03 Ibm Division system

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328610A (en) * 1938-06-10 1943-09-07 Ibm Multiplying and dividing machine
NL73696C (fr) * 1941-05-23
US2386481A (en) * 1942-12-21 1945-10-09 Ibm Calculating machine for effecting division
NL76334C (fr) * 1943-08-28
NL83274C (fr) * 1944-12-27
NL75406C (fr) * 1945-12-21
US2534287A (en) * 1946-02-19 1950-12-19 Jr Lynn W Marsh Electronic control apparatus
BE476875A (fr) * 1946-10-22
US2679975A (en) * 1947-05-14 1954-06-01 Onera (Off Nat Aerospatiale) Automatic binary calculating machine for matricial calculation
US2500294A (en) * 1947-08-13 1950-03-14 Ibm Descending counter
US2557085A (en) * 1948-02-27 1951-06-19 Fisk Bert Electronic switch
BE490003A (fr) * 1948-07-09
NL148455B (nl) * 1948-09-03 Tech Electr Jarret T E J Elektrische machine met variabele reluctantie.
US2604262A (en) * 1949-01-19 1952-07-22 Ibm Multiplying and dividing means
US2597796A (en) * 1949-02-04 1952-05-20 Northrop Aircraft Inc Electronic cathode gate
US2701095A (en) * 1949-02-12 1955-02-01 George R Stibitz Electronic computer for division
NL152497B (nl) * 1949-03-24 1900-01-01 Oldenzaal B V Maschf Scheepsdeur of -luik.
US2745599A (en) * 1949-03-24 1956-05-15 Ibm Electronic multiplier
US2703201A (en) * 1949-03-24 1955-03-01 Ibm Electronic divider
USRE24447E (en) * 1949-04-27 1958-03-25 Diagnostic information monitoring
BE496517A (fr) * 1949-06-22
US2719670A (en) * 1949-10-18 1955-10-04 Jacobs Electrical and electronic digital computers
GB718591A (en) * 1949-10-31 1954-11-17 Nat Res Dev Improvements in electronic devices for the multiplication of binary-digital numbers
NL96169C (fr) * 1950-01-07
FR1015311A (fr) * 1950-03-29 1952-09-15 Electronique & Automatisme Sa Procédé et moyens pour le cadrage de trains codes d'impulsions électriques
US2700503A (en) * 1950-04-06 1955-01-25 Remington Rand Inc Electronic binary multiplying computer
NL160503B (nl) * 1950-04-14 Michelin & Cie Inrichting voor het spinnen van metaaldraden.
US2749037A (en) * 1950-04-21 1956-06-05 George R Stibitz Electronic computer for multiplication
US2623170A (en) * 1950-08-03 1952-12-23 Ibm Trigger circuit chain
GB742470A (en) * 1950-08-18 1955-12-30 Nat Res Dev Improvements in or relating to electronic digital computing machines
US2620448A (en) * 1950-09-12 1952-12-02 Bell Telephone Labor Inc Transistor trigger circuits
US2603746A (en) * 1950-10-13 1952-07-15 Monroe Calculating Machine Switching circuit
US2636133A (en) * 1950-12-01 1953-04-21 Bell Telephone Labor Inc Diode gate
US2644887A (en) * 1950-12-18 1953-07-07 Res Corp Comp Synchronizing generator
US2632845A (en) * 1950-12-22 1953-03-24 Rca Corp Coincidence indicator
NL83444C (fr) * 1950-12-29
US2819839A (en) * 1951-02-23 1958-01-14 Donald H Jacobs High speed register using gating circuits to bypass delay elements
US2784907A (en) * 1951-05-08 1957-03-12 Nat Res Dev Electronic adding devices
US2775402A (en) * 1951-05-25 1956-12-25 Weiss Eric Coded decimal summer
NL167908B (nl) * 1951-09-26 Wabco Fahrzeugbremsen Gmbh Meertraps-rembedieningsinrichting.
BE515326A (fr) * 1951-11-06
US2760087A (en) * 1951-11-19 1956-08-21 Bell Telephone Labor Inc Transistor memory circuits
US2758787A (en) * 1951-11-27 1956-08-14 Bell Telephone Labor Inc Serial binary digital multiplier
US2685039A (en) * 1952-03-13 1954-07-27 Hughes Aircraft Co Diode gating circuits
FR1084147A (fr) * 1952-03-31 1955-01-17
US2682615A (en) * 1952-05-28 1954-06-29 Rca Corp Magnetic switching and gating circuits
US2834543A (en) * 1952-07-12 1958-05-13 Monroe Calculating Machine Multiplying and dividing means for electronic calculators
US2789766A (en) * 1953-10-16 1957-04-23 Ibm Record controlled machine
US2798156A (en) * 1953-12-17 1957-07-02 Burroughs Corp Digit pulse counter
US2706811A (en) * 1954-02-12 1955-04-19 Digital Control Systems Inc Combination of low level swing flipflops and a diode gating network

Also Published As

Publication number Publication date
GB803431A (en) 1958-10-22
DE1076971B (de) 1960-03-03
NL198494A (fr)
US2942780A (en) 1960-06-28

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