CH478434A - Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen - Google Patents

Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen

Info

Publication number
CH478434A
CH478434A CH489666A CH489666A CH478434A CH 478434 A CH478434 A CH 478434A CH 489666 A CH489666 A CH 489666A CH 489666 A CH489666 A CH 489666A CH 478434 A CH478434 A CH 478434A
Authority
CH
Switzerland
Prior art keywords
multiplication
quantities
converted
arrangement
same frequency
Prior art date
Application number
CH489666A
Other languages
English (en)
Inventor
Rehm Georg Ing Dr
Original Assignee
Rehm Georg Ing Dr
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 Rehm Georg Ing Dr filed Critical Rehm Georg Ing Dr
Publication of CH478434A publication Critical patent/CH478434A/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
    • 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 specially adapted therefor
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
    • G06G7/162—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division using galvano- magnetic effects, e.g. Hall effect; using similar magnetic effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
CH489666A 1965-04-12 1966-04-04 Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen CH478434A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER40374A DE1303357B (de) 1965-04-12 1965-04-12

Publications (1)

Publication Number Publication Date
CH478434A true CH478434A (de) 1969-09-15

Family

ID=7406043

Family Applications (1)

Application Number Title Priority Date Filing Date
CH489666A CH478434A (de) 1965-04-12 1966-04-04 Anordnung zur Multiplikation zweier in Wechselströme gleicher Frequenz umformbarer Grössen

Country Status (6)

Country Link
US (1) US3439270A (de)
AT (1) AT262446B (de)
CH (1) CH478434A (de)
DE (1) DE1303357B (de)
FR (1) FR1475301A (de)
GB (1) GB1147022A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163460A1 (de) * 1984-05-18 1985-12-04 Pilkington Brothers P.L.C. System zur Messung des Verbrauches elektrischer Ladung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783259A (en) * 1972-10-20 1974-01-01 Itt Apparatus for resolving a complex a.c. voltage or current into its vector components
US4042815A (en) * 1973-09-22 1977-08-16 Ferranti Limited Electronic multipliers
US3917936A (en) * 1974-02-20 1975-11-04 Wayne T Reader Method and apparatus for measuring the cross-correlation of two dynamic mechanical quantities
US4283643A (en) * 1979-05-25 1981-08-11 Electric Power Research Institute, Inc. Hall sensing apparatus
US4525669A (en) * 1982-12-20 1985-06-25 Sangamo Weston, Inc. Power measurement in an electrical distribution system having three or more wires

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317835A (en) * 1963-05-10 1967-05-02 Siemens Ag Hall generator wattmeter having square-wave superimposed on hall plate output to compensate for power factor
GB1079853A (en) * 1963-10-25 1967-08-16 Ass Elect Ind Improvements relating to hall effect devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0163460A1 (de) * 1984-05-18 1985-12-04 Pilkington Brothers P.L.C. System zur Messung des Verbrauches elektrischer Ladung

Also Published As

Publication number Publication date
FR1475301A (fr) 1967-03-31
AT262446B (de) 1968-06-10
DE1303357B (de) 1971-09-23
US3439270A (en) 1969-04-15
GB1147022A (en) 1969-04-02

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Legal Events

Date Code Title Description
PL Patent ceased