CH227178A - Device for multiplying factors which correspond to electrical voltages and other quantities. - Google Patents

Device for multiplying factors which correspond to electrical voltages and other quantities.

Info

Publication number
CH227178A
CH227178A CH227178DA CH227178A CH 227178 A CH227178 A CH 227178A CH 227178D A CH227178D A CH 227178DA CH 227178 A CH227178 A CH 227178A
Authority
CH
Switzerland
Prior art keywords
quantities
correspond
electrical voltages
multiplying factors
multiplying
Prior art date
Application number
Other languages
German (de)
Inventor
Telefonaktiebolaget L Ericsson
Original Assignee
Ericsson Telefon Ab L M
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 by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH227178A publication Critical patent/CH227178A/en

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)
CH227178D 1940-07-05 1941-06-11 Device for multiplying factors which correspond to electrical voltages and other quantities. CH227178A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH227178A true CH227178A (en) 1943-05-31

Family

ID=20265643

Family Applications (1)

Application Number Title Priority Date Filing Date
CH227178D CH227178A (en) 1940-07-05 1941-06-11 Device for multiplying factors which correspond to electrical voltages and other quantities.

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
BE442021A (en)
GB553947A (en) 1943-06-11
FR887754A (en) 1943-11-23

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