BE442021A - - Google Patents

Info

Publication number
BE442021A
BE442021A BE442021DA BE442021A BE 442021 A BE442021 A BE 442021A BE 442021D A BE442021D A BE 442021DA BE 442021 A BE442021 A BE 442021A
Authority
BE
Belgium
Application number
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.)
Publication of BE442021A publication Critical patent/BE442021A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Adjustable Resistors (AREA)
BE442021D 1940-07-05 BE442021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE50740X 1940-07-05

Publications (1)

Publication Number Publication Date
BE442021A true BE442021A (en)

Family

ID=20265643

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442021D BE442021A (en) 1940-07-05

Country Status (4)

Country Link
BE (1) BE442021A (en)
CH (1) CH227178A (en)
FR (1) FR887754A (en)
GB (1) GB553947A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454520A (en) * 1945-03-23 1948-11-23 Fairchild Camera Instr Co Ratio-measuring system
US2665066A (en) * 1945-12-01 1954-01-05 Bailey Meter Co Electric calculating circuits
US2678163A (en) * 1949-12-10 1954-05-11 John O Evans Jr Computing and predicting device
US2713457A (en) * 1950-06-09 1955-07-19 Phillips Petroleum Co Computer
US2636151A (en) * 1952-01-31 1953-04-21 Bailey Meter Co Measuring system
US3076603A (en) * 1956-03-14 1963-02-05 Tinius Olsen Testing Mach Co Materials testing equipment
US3114037A (en) * 1957-01-07 1963-12-10 William R Brownlee Measuring and controlling method and apparatus
US2998186A (en) * 1958-04-25 1961-08-29 Honeywell Regulator Co Automatic electrical analogue computer

Also Published As

Publication number Publication date
GB553947A (en) 1943-06-11
CH227178A (en) 1943-05-31
FR887754A (en) 1943-11-23

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