FR1130390A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR1130390A
FR1130390A FR1130390DA FR1130390A FR 1130390 A FR1130390 A FR 1130390A FR 1130390D A FR1130390D A FR 1130390DA FR 1130390 A FR1130390 A FR 1130390A
Authority
FR
France
Prior art keywords
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)
Inventor
De Ferraro
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 filed Critical
Application granted granted Critical
Publication of FR1130390A publication Critical patent/FR1130390A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR1130390D 1954-08-31 1955-08-29 Machine à calculer Expired FR1130390A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA1130390X 1954-08-31

Publications (1)

Publication Number Publication Date
FR1130390A true FR1130390A (fr) 1957-02-05

Family

ID=4173526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130390D Expired FR1130390A (fr) 1954-08-31 1955-08-29 Machine à calculer

Country Status (1)

Country Link
FR (1) FR1130390A (fr)

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