FR2140486A1 - - Google Patents

Info

Publication number
FR2140486A1
FR2140486A1 FR7220294A FR7220294A FR2140486A1 FR 2140486 A1 FR2140486 A1 FR 2140486A1 FR 7220294 A FR7220294 A FR 7220294A FR 7220294 A FR7220294 A FR 7220294A FR 2140486 A1 FR2140486 A1 FR 2140486A1
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.)
Withdrawn
Application number
FR7220294A
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of FR2140486A1 publication Critical patent/FR2140486A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • 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
    • G01R19/145—Indicating the presence of current or voltage
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16561—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in hand-held circuit testers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
FR7220294A 1971-06-07 1972-06-06 Withdrawn FR2140486A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15070271A 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
FR2140486A1 true FR2140486A1 (fr) 1973-01-19

Family

ID=22535656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220294A Withdrawn FR2140486A1 (fr) 1971-06-07 1972-06-06

Country Status (5)

Country Link
US (1) US3732490A (fr)
JP (1) JPS5334748B1 (fr)
DE (1) DE2227076C3 (fr)
FR (1) FR2140486A1 (fr)
GB (1) GB1395392A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2747212C2 (ru) * 2019-05-16 2021-04-29 Александр Михайлович Косолапов Трансформатор тока с активной коррекцией

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565166A (en) * 1978-03-20 1980-04-16 Philips Electronic Associated Measuring radio-frequency impedandce
JPS6070042A (ja) * 1983-09-26 1985-04-20 Fuji Oil Co Ltd プロテインドリンクの製造法
US4646002A (en) * 1984-05-10 1987-02-24 Regents Of The University Of Minnesota Circuit for high impedance broad band probe
FR2598516B1 (fr) * 1986-05-06 1988-07-29 France Etat Armement Procede et dispositif de mesure de l'impedance d'une electrode de terre en fonction de la frequence
FR2771182B1 (fr) * 1997-11-18 2000-01-28 Sgs Thomson Microelectronics Procede et systeme de test d'un circuit integre a fonctionnement sans contact, et d'une capacite d'entree d'un tel circuit integre
FR2826202B1 (fr) * 2001-06-18 2003-12-19 Cit Alcatel Procede et dispositif d'equilibrage de supercapacite
JP4167872B2 (ja) 2001-10-04 2008-10-22 株式会社日立産機システム 漏れ電流の監視装置及びその監視システム
US7353123B2 (en) * 2001-10-04 2008-04-01 Hitachi, Ltd. Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same
CN103376363B (zh) * 2013-07-04 2015-05-27 西安交通大学 一种三相交流系统阻抗测量方法
DE102022205412A1 (de) * 2022-05-30 2023-11-30 Trelleborg Sealing Solutions Germany Gmbh Wellenstromableiter und Wellenanordnung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1707773A (en) * 1923-11-30 1929-04-02 Sachsenwerk Licht & Kraft Ag Electrical-quantities measuring system
US2282396A (en) * 1940-12-26 1942-05-12 Union Switch & Signal Co Wattmeter
GB696511A (en) * 1951-03-07 1953-09-02 Vickers Electrical Co Ltd Improvements in and relating to alternating current electric measuring circuit arrangements
US2915706A (en) * 1956-05-11 1959-12-01 Metrawatt Ag Method and apparatus for measuring electric quantities
US3068411A (en) * 1959-04-06 1962-12-11 Galman Herbert Wattmeter circuit
US3510761A (en) * 1963-03-04 1970-05-05 Bissett Berman Corp Compensated salinometer
CA780015A (en) * 1965-12-08 1968-03-05 M. Oliver Bernard Impedance meter
DE1516966B2 (de) * 1966-04-29 1970-03-19 Siemens AG, 1000 Berlin u. 8000 München Zähler ftir beide Energieflußrichtungen
US3431487A (en) * 1967-02-13 1969-03-04 Susquehanna Corp Current probe with auxiliary winding for unwanted signal rejection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2747212C2 (ru) * 2019-05-16 2021-04-29 Александр Михайлович Косолапов Трансформатор тока с активной коррекцией

Also Published As

Publication number Publication date
JPS487778A (fr) 1973-01-31
US3732490A (en) 1973-05-08
GB1395392A (en) 1975-05-29
DE2227076A1 (de) 1973-01-04
JPS5334748B1 (fr) 1978-09-22
DE2227076C3 (de) 1975-04-30
DE2227076B2 (de) 1974-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse