FR887754A - Dispositif pour la multiplication de facteurs - Google Patents

Dispositif pour la multiplication de facteurs

Info

Publication number
FR887754A
FR887754A FR887754DA FR887754A FR 887754 A FR887754 A FR 887754A FR 887754D A FR887754D A FR 887754DA FR 887754 A FR887754 A FR 887754A
Authority
FR
France
Prior art keywords
multiplying factors
multiplying
factors
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
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR887754A publication Critical patent/FR887754A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
FR887754D 1940-07-05 1941-06-10 Dispositif pour la multiplication de facteurs Expired FR887754A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR887754A true FR887754A (fr) 1943-11-23

Family

ID=20265643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887754D Expired FR887754A (fr) 1940-07-05 1941-06-10 Dispositif pour la multiplication de facteurs

Country Status (4)

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

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 (de) 1943-05-31
BE442021A (pm)

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