FR722351A - Calculating machines - Google Patents

Calculating machines

Info

Publication number
FR722351A
FR722351A FR722351DA FR722351A FR 722351 A FR722351 A FR 722351A FR 722351D A FR722351D A FR 722351DA FR 722351 A FR722351 A FR 722351A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
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
Marie-Emile-Alfred Baule
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 FR722351A publication Critical patent/FR722351A/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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • 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
    • G06G7/26—Arbitrary function generators

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)
  • Power Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Adjustable Resistors (AREA)
FR722351D 1930-11-28 1930-11-28 Calculating machines Expired FR722351A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR722351T 1930-11-28

Publications (1)

Publication Number Publication Date
FR722351A true FR722351A (en) 1932-03-16

Family

ID=9101050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722351D Expired FR722351A (en) 1930-11-28 1930-11-28 Calculating machines

Country Status (2)

Country Link
FR (1) FR722351A (en)
GB (1) GB392207A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424178A (en) * 1944-02-23 1947-07-15 Matthews Bryan Harold Cabot Apparatus for effecting navigational calculations
US2500997A (en) * 1944-07-13 1950-03-21 Phillips Petroleum Co Electrical computing device
US2636151A (en) * 1952-01-31 1953-04-21 Bailey Meter Co Measuring system
DE764252C (en) * 1935-07-10 1954-08-23 Aeg Arrangement for distance measurement by means of several direction finding and sighting devices set up at the ends of known bases
US2692442A (en) * 1946-04-17 1954-10-26 Rex A Roberts Tilt, pitch, and bank simulation for scanners in radar training
US2784908A (en) * 1945-06-07 1957-03-12 John W Gray Electrical navigation apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE764252C (en) * 1935-07-10 1954-08-23 Aeg Arrangement for distance measurement by means of several direction finding and sighting devices set up at the ends of known bases
US2424178A (en) * 1944-02-23 1947-07-15 Matthews Bryan Harold Cabot Apparatus for effecting navigational calculations
US2500997A (en) * 1944-07-13 1950-03-21 Phillips Petroleum Co Electrical computing device
US2784908A (en) * 1945-06-07 1957-03-12 John W Gray Electrical navigation apparatus
US2692442A (en) * 1946-04-17 1954-10-26 Rex A Roberts Tilt, pitch, and bank simulation for scanners in radar training
US2636151A (en) * 1952-01-31 1953-04-21 Bailey Meter Co Measuring system

Also Published As

Publication number Publication date
GB392207A (en) 1933-05-15

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