FR2147140B1 - - Google Patents

Info

Publication number
FR2147140B1
FR2147140B1 FR7226576A FR7226576A FR2147140B1 FR 2147140 B1 FR2147140 B1 FR 2147140B1 FR 7226576 A FR7226576 A FR 7226576A FR 7226576 A FR7226576 A FR 7226576A FR 2147140 B1 FR2147140 B1 FR 2147140B1
Authority
FR
France
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
FR7226576A
Other languages
French (fr)
Other versions
FR2147140A1 (ref
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.)
Westinghouse Electric Corp
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 FR2147140A1 publication Critical patent/FR2147140A1/fr
Application granted granted Critical
Publication of FR2147140B1 publication Critical patent/FR2147140B1/fr
Expired legal-status Critical Current

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)
FR7226576A 1971-07-23 1972-07-24 Expired FR2147140B1 (ref)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2147140A1 FR2147140A1 (ref) 1973-03-09
FR2147140B1 true FR2147140B1 (ref) 1978-12-29

Family

ID=22598991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226576A Expired FR2147140B1 (ref) 1971-07-23 1972-07-24

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
BR7204883D0 (pt) 1973-06-07
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
US3743949A (en) 1973-07-03
JPS4822072A (ref) 1973-03-20
ES404957A1 (es) 1975-07-01
FR2147140A1 (ref) 1973-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse