FR62519E - Improvements to electronic calculators - Google Patents

Improvements to electronic calculators

Info

Publication number
FR62519E
FR62519E FR62519DA FR62519E FR 62519 E FR62519 E FR 62519E FR 62519D A FR62519D A FR 62519DA FR 62519 E FR62519 E FR 62519E
Authority
FR
France
Prior art keywords
electronic calculators
calculators
electronic
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
French (fr)
Inventor
Renaud Koechlin
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 FR62519E publication Critical patent/FR62519E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
FR62519D 1952-01-31 1952-01-31 Improvements to electronic calculators Expired FR62519E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62519T 1952-01-31

Publications (1)

Publication Number Publication Date
FR62519E true FR62519E (en) 1955-06-15

Family

ID=8695922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62519D Expired FR62519E (en) 1952-01-31 1952-01-31 Improvements to electronic calculators

Country Status (1)

Country Link
FR (1) FR62519E (en)

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