CH247380A - Ten key calculator. - Google Patents

Ten key calculator.

Info

Publication number
CH247380A
CH247380A CH247380DA CH247380A CH 247380 A CH247380 A CH 247380A CH 247380D A CH247380D A CH 247380DA CH 247380 A CH247380 A CH 247380A
Authority
CH
Switzerland
Prior art keywords
key calculator
calculator
key
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Precisa
Original Assignee
Ag Precisa
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 Ag Precisa filed Critical Ag Precisa
Publication of CH247380A publication Critical patent/CH247380A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/08—Keyboards with one set of keys for all denominations, e.g. ten-key board

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
CH247380D 1945-07-11 1945-07-11 Ten key calculator. CH247380A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH247380T 1945-07-11
CH241949T 1945-07-11

Publications (1)

Publication Number Publication Date
CH247380A true CH247380A (en) 1947-02-28

Family

ID=25728630

Family Applications (1)

Application Number Title Priority Date Filing Date
CH247380D CH247380A (en) 1945-07-11 1945-07-11 Ten key calculator.

Country Status (1)

Country Link
CH (1) CH247380A (en)

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