FR1033654A - Improvements to electronic calculators - Google Patents

Improvements to electronic calculators

Info

Publication number
FR1033654A
FR1033654A FR1033654DA FR1033654A FR 1033654 A FR1033654 A FR 1033654A FR 1033654D A FR1033654D A FR 1033654DA FR 1033654 A FR1033654 A FR 1033654A
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 FR1033654A publication Critical patent/FR1033654A/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)
FR1033654D 1951-02-03 1951-02-03 Improvements to electronic calculators Expired FR1033654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1033654T 1951-02-03

Publications (1)

Publication Number Publication Date
FR1033654A true FR1033654A (en) 1953-07-15

Family

ID=9584590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1033654D Expired FR1033654A (en) 1951-02-03 1951-02-03 Improvements to electronic calculators

Country Status (1)

Country Link
FR (1) FR1033654A (en)

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