FR2334963A1 - Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees - Google Patents

Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees

Info

Publication number
FR2334963A1
FR2334963A1 FR7538085A FR7538085A FR2334963A1 FR 2334963 A1 FR2334963 A1 FR 2334963A1 FR 7538085 A FR7538085 A FR 7538085A FR 7538085 A FR7538085 A FR 7538085A FR 2334963 A1 FR2334963 A1 FR 2334963A1
Authority
FR
France
Prior art keywords
phase shift
circuit
measuring
half periods
loaded
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.)
Granted
Application number
FR7538085A
Other languages
English (en)
French (fr)
Other versions
FR2334963B1 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7538085A priority Critical patent/FR2334963A1/fr
Publication of FR2334963A1 publication Critical patent/FR2334963A1/fr
Application granted granted Critical
Publication of FR2334963B1 publication Critical patent/FR2334963B1/fr
Granted 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
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7538085A 1975-12-12 1975-12-12 Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees Granted FR2334963A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7538085A FR2334963A1 (fr) 1975-12-12 1975-12-12 Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7538085A FR2334963A1 (fr) 1975-12-12 1975-12-12 Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees

Publications (2)

Publication Number Publication Date
FR2334963A1 true FR2334963A1 (fr) 1977-07-08
FR2334963B1 FR2334963B1 (enExample) 1981-03-06

Family

ID=9163673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538085A Granted FR2334963A1 (fr) 1975-12-12 1975-12-12 Dispositif de mesure de l'impedance de boucle avec affichage numerique des donnees

Country Status (1)

Country Link
FR (1) FR2334963A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000545A1 (fr) * 1978-01-25 1979-08-23 Electricite Neuchateloise Sa Appareil de mesure des courants de court-circuit mono-bi et tripolaires sur les reseaux a basse tension
FR2498762A1 (fr) * 1980-12-31 1982-07-30 Tech Energetiq Assoc Lyon Cent Procede et appareil pour la mesure des composantes resistive et inductive de l'impedance equivalente a celle d'un reseau electrique alternatif sinusoidal, en regime etabli

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000545A1 (fr) * 1978-01-25 1979-08-23 Electricite Neuchateloise Sa Appareil de mesure des courants de court-circuit mono-bi et tripolaires sur les reseaux a basse tension
FR2498762A1 (fr) * 1980-12-31 1982-07-30 Tech Energetiq Assoc Lyon Cent Procede et appareil pour la mesure des composantes resistive et inductive de l'impedance equivalente a celle d'un reseau electrique alternatif sinusoidal, en regime etabli

Also Published As

Publication number Publication date
FR2334963B1 (enExample) 1981-03-06

Similar Documents

Publication Publication Date Title
GB869262A (en) Improvements in or relating to apparatus for converting electrical analog input current or voltage into digital form
ES434768A1 (es) Mejoras introducidas en los aparatos de medicion con compen-sacion de magnitudes parasitas.
GB2031672A (en) Digital frequencyprocess and method using frquency shifting techniques especially for low frequency measurements
JPS55134541A (en) Phase synchronous oscillator
GB903108A (en) Electrical measuring apparatus
GB1153201A (en) Improvements in or relating to Apparatus for Measuring the Voltage of a D.C. Component in an Electrical Voltage
FR2425628A1 (fr) Procede et dispositif de montage pour mesurer des grandeurs non electriques
JPS5326557A (en) Frequency sy nchronous circuit
JPS54124611A (en) Communication unit
JPS5682451A (en) Voltage measuring circuit
FR2305737A1 (fr) Dispositif de mesure de la frequence porteuse d'une impulsion et systeme radar comportant un tel dispositif
SU552670A1 (ru) Устройство дл формировани измерительного интервала
JPS6441915A (en) Method for detecting position phase of digitizer
JPS51148341A (en) Logarithm function generator
JPS57175276A (en) Delayed time measuring circuit
SU152255A1 (ru) Цифровой частотомер
JPS5265838A (en) Automatic compensator
SU788055A1 (ru) Устройство измерени характеристик логических элементов
CH608327GA3 (enExample)
JPS51141615A (en) Automatic tuning apparatus for electronic musical instrument
SU1660208A1 (ru) Устройство дл измерени координат центра т жести изображени объекта
JPS57172257A (en) High accuracy measuring method of integer multiple frequency of 1khz
JPS5282466A (en) Digital electronic watch
JPS5640731A (en) Measuring unit of stylus pressure
JPS5333041A (en) Frequency step-multiplication circuit

Legal Events

Date Code Title Description
ST Notification of lapse