FR921205A - Electrical calculator - Google Patents

Electrical calculator

Info

Publication number
FR921205A
FR921205A FR921205DA FR921205A FR 921205 A FR921205 A FR 921205A FR 921205D A FR921205D A FR 921205DA FR 921205 A FR921205 A FR 921205A
Authority
FR
France
Prior art keywords
electrical calculator
calculator
electrical
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
Edmond Geffroy
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 FR921205A publication Critical patent/FR921205A/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
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • 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
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR921205D 1945-11-07 1945-11-07 Electrical calculator Expired FR921205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921205T 1945-11-07

Publications (1)

Publication Number Publication Date
FR921205A true FR921205A (en) 1947-04-30

Family

ID=9434351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921205D Expired FR921205A (en) 1945-11-07 1945-11-07 Electrical calculator

Country Status (1)

Country Link
FR (1) FR921205A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738924A (en) * 1950-01-18 1956-03-20 Norden Ketay Corp Electrical elevation angle computer
US3001716A (en) * 1954-10-26 1961-09-26 Avien Inc Thrustmeter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738924A (en) * 1950-01-18 1956-03-20 Norden Ketay Corp Electrical elevation angle computer
US3001716A (en) * 1954-10-26 1961-09-26 Avien Inc Thrustmeter

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