FR1505322A - Machine à calculer à deux claviers - Google Patents

Machine à calculer à deux claviers

Info

Publication number
FR1505322A
FR1505322A FR10100A FR10100A FR1505322A FR 1505322 A FR1505322 A FR 1505322A FR 10100 A FR10100 A FR 10100A FR 10100 A FR10100 A FR 10100A FR 1505322 A FR1505322 A FR 1505322A
Authority
FR
France
Prior art keywords
keyboards
calculating machine
calculating
machine
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
FR10100A
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.)
Bell Punch Co Ltd
Original Assignee
Bell Punch Co Ltd
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 Bell Punch Co Ltd filed Critical Bell Punch Co Ltd
Application granted granted Critical
Publication of FR1505322A publication Critical patent/FR1505322A/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.
    • G06F7/4912—Adding; Subtracting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
    • 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
    • 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
    • G06F7/4981—Adding; Subtracting
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
    • G06F2207/49195—Using pure decimal representation, e.g. 10-valued voltage signal, 1-out-of-10 code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Complex Calculations (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Calculators And Similar Devices (AREA)
FR10100A 1964-03-21 1965-03-20 Machine à calculer à deux claviers Expired FR1505322A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12036/64A GB1042785A (en) 1964-03-21 1964-03-21 Improvements in or relating to calculating machines

Publications (1)

Publication Number Publication Date
FR1505322A true FR1505322A (fr) 1967-12-15

Family

ID=9997267

Family Applications (3)

Application Number Title Priority Date Filing Date
FR10099A Expired FR1462970A (fr) 1964-03-21 1965-03-20 Perfectionnement aux machines à calculer
FR10102A Expired FR1436099A (fr) 1964-03-21 1965-03-20 Perfectionnement aux machines à calculer décimales
FR10100A Expired FR1505322A (fr) 1964-03-21 1965-03-20 Machine à calculer à deux claviers

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR10099A Expired FR1462970A (fr) 1964-03-21 1965-03-20 Perfectionnement aux machines à calculer
FR10102A Expired FR1436099A (fr) 1964-03-21 1965-03-20 Perfectionnement aux machines à calculer décimales

Country Status (5)

Country Link
US (1) US3513303A (fr)
CH (5) CH421569A (fr)
DE (3) DE1296426B (fr)
FR (3) FR1462970A (fr)
GB (4) GB1042787A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1242121A (en) * 1968-03-01 1971-08-11 Bell Punch Co Ltd Improvements in or relating to calculating machine
GB1261710A (en) * 1968-07-18 1972-01-26 Bell Punch Co Ltd Improvements in or relating to calculating machines
GB1273747A (en) * 1969-02-17 1972-05-10 Bell Punch Co Ltd Improvements in or relating to calculating machines
US3614404A (en) * 1969-04-17 1971-10-19 Gen Electric Electronic calculator
JPS4925620B1 (fr) * 1969-05-23 1974-07-02
USH1970H1 (en) 1971-07-19 2001-06-05 Texas Instruments Incorporated Variable function programmed system
US5181186A (en) * 1988-04-13 1993-01-19 Al Ofi Moatad S TPC computers

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575331A (en) * 1945-10-18 1951-11-20 Ncr Co Electronic multiplying device
US2512851A (en) * 1948-04-03 1950-06-27 Remington Rand Inc Pulse generator
US2961160A (en) * 1956-05-28 1960-11-22 Toledo Scale Corp Electronic multiplier
US2954167A (en) * 1955-09-20 1960-09-27 Toledo Scale Corp Electronic multiplier
DE1050089B (de) * 1955-09-30 1959-02-05 Deutsche Telephonwerke und Kabelindustrie Aktiengesell'schaft, Berlin Elektronisches Rechengerät
DE1058283B (de) * 1956-03-20 1959-05-27 Deutsche Telephonwerk Kabel Elektronisches Rechengeraet
US2955757A (en) * 1956-04-24 1960-10-11 Philips Corp Devices for carrying out a division
US3034721A (en) * 1956-06-06 1962-05-15 Buchungemaschinenwerk Karl Mar Electronic multiplying arrangement in combination with a mechanically actuated bookkeeping machine
US3280315A (en) * 1957-09-06 1966-10-18 Bell Punch Co Ltd Key controlled decimal electronic calculating machine
DE1105641B (de) * 1958-04-15 1961-04-27 Optima Bueromaschwerk Einrichtung zum UEbertragen von elektrischen Impulsen
NL254442A (fr) * 1959-08-03
DE1126168B (de) * 1959-11-02 1962-03-22 Buchungsmaschinenwerk Veb Elektronische dezimale Multiplikationseinrichtung mit Roehrenzaehlern
US3036775A (en) * 1960-08-11 1962-05-29 Ibm Function generators
DE1123846B (de) * 1960-11-18 1962-02-15 Diehl Fa Elektronisches Rechengeraet, insbesondere Multipliziergeraet
US3239654A (en) * 1961-02-08 1966-03-08 Ibm Dividing computer
BE623087A (fr) * 1961-10-02
US3258583A (en) * 1962-08-31 1966-06-28 Multiplying device
US3253132A (en) * 1962-11-01 1966-05-24 American Mach & Foundry Register system
US3281794A (en) * 1962-12-21 1966-10-25 American Mach & Foundry Cash register system
GB1098853A (en) * 1963-11-12 1968-01-10 Mullard Ltd Computing machine
US3294960A (en) * 1964-09-29 1966-12-27 American Mach & Foundry Electronic tax calculation circuit for use in business accounting system

Also Published As

Publication number Publication date
DE1270847B (de) 1968-06-20
GB1042786A (en) 1966-09-14
GB1042785A (en) 1966-09-14
CH421570A (de) 1966-09-30
FR1436099A (fr) 1966-04-22
GB1172845A (en) 1969-12-03
DE1296426B (de) 1969-05-29
CH421571A (de) 1966-09-30
CH421569A (de) 1966-09-30
CH421572A (de) 1966-09-30
GB1042787A (en) 1966-09-14
DE1286790B (de) 1969-01-09
FR1462970A (fr) 1966-12-23
CH421573A (de) 1966-09-30
US3513303A (en) 1970-05-19

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