FR1053803A - Perfectionnements aux machines à calculer - Google Patents

Perfectionnements aux machines à calculer

Info

Publication number
FR1053803A
FR1053803A FR1053803DA FR1053803A FR 1053803 A FR1053803 A FR 1053803A FR 1053803D A FR1053803D A FR 1053803DA FR 1053803 A FR1053803 A FR 1053803A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine 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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Application granted granted Critical
Publication of FR1053803A publication Critical patent/FR1053803A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/02—Methods or arrangements for marking the record carrier in digital fashion by punching

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
FR1053803D 1949-12-15 1950-12-09 Perfectionnements aux machines à calculer Expired FR1053803A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32222/49A GB674774A (en) 1949-12-15 1949-12-15 Improvements in or relating to record punching machines

Publications (1)

Publication Number Publication Date
FR1053803A true FR1053803A (fr) 1954-02-05

Family

ID=10335208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1053803D Expired FR1053803A (fr) 1949-12-15 1950-12-09 Perfectionnements aux machines à calculer

Country Status (3)

Country Link
US (1) US2647689A (fr)
FR (1) FR1053803A (fr)
GB (1) GB674774A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988275A (en) * 1954-01-25 1961-06-13 Beckman Instruments Inc Preset counter apparatus
US2989235A (en) * 1954-12-31 1961-06-20 Ibm Binary-decimal conversion system
US3035764A (en) * 1955-05-24 1962-05-22 Telecomputing Corp Point of sale recorder
US2972135A (en) * 1955-07-14 1961-02-14 Burroughs Corp Code converting electrical network
DE1032781B (de) * 1956-02-08 1958-06-26 Lorenz C Ag Verfahren zur Code-Raffung
US2997703A (en) * 1956-08-03 1961-08-22 Clary Corp Keyboard controlled circuitry
BE565876A (fr) * 1957-03-20
DE1177683B (de) * 1957-08-22 1964-09-10 Olympia Werke Ag Tastenbetaetigte Eingabevorrichtung fuer Matrix-speicher als Pufferspeicher an datenverarbeiten-den Maschinen
GB844541A (en) * 1957-12-09 1960-08-17 Siemens Edison Swan Ltd Improvements relating to electro-magnetic code conversion arrangements
US3084860A (en) * 1959-08-04 1963-04-09 Western Electric Co Decimal to binary number translating device
US4288786A (en) * 1979-01-15 1981-09-08 Touch Activated Switch Arrays, Inc. Touch sensing keyboard construction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2085120A (en) * 1930-05-10 1937-06-29 Teletype Corp Signaling transmitting method and apparatus
US2473444A (en) * 1944-02-29 1949-06-14 Rca Corp Computing system
NL83274C (fr) * 1944-12-27

Also Published As

Publication number Publication date
GB674774A (en) 1952-07-02
US2647689A (en) 1953-08-04

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