BR7204883D0 - Aparelho sensor do valor r m s - Google Patents

Aparelho sensor do valor r m s

Info

Publication number
BR7204883D0
BR7204883D0 BR4883/72A BR488372A BR7204883D0 BR 7204883 D0 BR7204883 D0 BR 7204883D0 BR 4883/72 A BR4883/72 A BR 4883/72A BR 488372 A BR488372 A BR 488372A BR 7204883 D0 BR7204883 D0 BR 7204883D0
Authority
BR
Brazil
Prior art keywords
sensor apparatus
value sensor
value
sensor
Prior art date
Application number
BR4883/72A
Other languages
English (en)
Portuguese (pt)
Inventor
J Engel
R Elms
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR7204883D0 publication Critical patent/BR7204883D0/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Volume Flow (AREA)
BR4883/72A 1971-07-23 1972-07-21 Aparelho sensor do valor r m s BR7204883D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16546271A 1971-07-23 1971-07-23

Publications (1)

Publication Number Publication Date
BR7204883D0 true BR7204883D0 (pt) 1973-06-07

Family

ID=22598991

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4883/72A BR7204883D0 (pt) 1971-07-23 1972-07-21 Aparelho sensor do valor r m s

Country Status (9)

Country Link
US (1) US3743949A (ref)
JP (1) JPS5744945B1 (ref)
BR (1) BR7204883D0 (ref)
CA (1) CA951793A (ref)
DE (1) DE2235944A1 (ref)
ES (1) ES404957A1 (ref)
FR (1) FR2147140B1 (ref)
GB (1) GB1398184A (ref)
IT (1) IT962856B (ref)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027240A (en) * 1975-10-20 1977-05-31 The United States Of America As Represented By The Secretary Of The Navy Protected voltage meter
US4218736A (en) * 1978-04-03 1980-08-19 Takeda Riken Kogyo Kabushikikaisha Effective value measuring apparatus
JPS556066A (en) * 1978-06-29 1980-01-17 Seiko Epson Corp Production of fluid passage
US4375038A (en) * 1979-08-10 1983-02-22 Beckman Instruments, Inc. RMS Converter
GB2183048B (en) * 1985-11-11 1989-12-20 British Gas Plc Method and apparatus for testing ac generators
CN1020816C (zh) * 1990-05-08 1993-05-19 董献之 平方器
GB2262350B (en) * 1991-11-22 1995-11-08 Multiload Technolgy Ltd RMS Waveform sensing
WO1996024070A1 (en) * 1995-01-30 1996-08-08 Landis & Gyr Utilities Services, Inc. Method of sizing transformers in an electrical utility service
DE69518157T2 (de) * 1995-12-01 2001-03-29 Berg Electronics Mfg Glatte Kontaktelemente, Verfahren zur Herstellung solcher Elemente und Produkte mit solchen Elementen
DK1656332T3 (en) 2003-07-25 2017-04-03 Waste 2 Green Llc Method and system for the treatment of unrealistic animal waste products
CN102207518A (zh) * 2011-03-11 2011-10-05 华为技术有限公司 一种交流电压有效值检测方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070302A (en) * 1958-08-15 1962-12-25 Phillips Petroleum Co Flow computer
US3064192A (en) * 1959-03-10 1962-11-13 Gen Electronic Lab Inc Electric meter
US3197626A (en) * 1962-01-08 1965-07-27 Chrysler Corp Logarithmic multiplier-divider
US3281689A (en) * 1962-03-26 1966-10-25 Expando Meter Company R. m. s. meter circuit using linear resistors and voltage biased diodes to approximate the square law characteristic
FR1486264A (ref) * 1965-07-08 1967-10-05
US3423578A (en) * 1966-08-29 1969-01-21 Chrysler Corp True root-mean-square computing circuit

Also Published As

Publication number Publication date
GB1398184A (en) 1975-06-18
CA951793A (en) 1974-07-23
JPS5744945B1 (ref) 1982-09-24
IT962856B (it) 1973-12-31
DE2235944A1 (de) 1973-02-01
FR2147140B1 (ref) 1978-12-29
US3743949A (en) 1973-07-03
JPS4822072A (ref) 1973-03-20
ES404957A1 (es) 1975-07-01
FR2147140A1 (ref) 1973-03-09

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