External magnetic field measurement system - determines strength and direction using ferric probe with thyristor supply and detection circuits

A device for determining the strength and direction of external magnetic fields uses a differential ferromagnetic probe. The device is of construction and may be used instead of more complex instruments such as Hall effect devices. The device contains a core (3), excitation coils (4, 4'), an op...

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Bibliographic Details
Main Author A. P. PANOV ET A. P. SALMIN
Format Patent
LanguageEnglish
French
Published 15.04.1977
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Abstract A device for determining the strength and direction of external magnetic fields uses a differential ferromagnetic probe. The device is of construction and may be used instead of more complex instruments such as Hall effect devices. The device contains a core (3), excitation coils (4, 4'), an operating coil (5), an excitation coil supply (6), and an operating coil recording circuit (7). The supply circuit (6) contains a thyristor (8) and capacitor (9), is powered from an external source, and supplies the excitation coil (4, 4'). The recording block (7) contains a thyristor (14) controlled by the operating coil (5). A compensation probe may be used whereby the operating and compensating working and excitation coils are connected in series.
AbstractList A device for determining the strength and direction of external magnetic fields uses a differential ferromagnetic probe. The device is of construction and may be used instead of more complex instruments such as Hall effect devices. The device contains a core (3), excitation coils (4, 4'), an operating coil (5), an excitation coil supply (6), and an operating coil recording circuit (7). The supply circuit (6) contains a thyristor (8) and capacitor (9), is powered from an external source, and supplies the excitation coil (4, 4'). The recording block (7) contains a thyristor (14) controlled by the operating coil (5). A compensation probe may be used whereby the operating and compensating working and excitation coils are connected in series.
Author A. P. PANOV ET A. P. SALMIN
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DocumentTitleAlternate DISPOSITIF POUR MESURER LA VALEUR ET LA DIRECTION DES CHAMPS MAGNETIQUES EXTERIEURS
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Snippet A device for determining the strength and direction of external magnetic fields uses a differential ferromagnetic probe. The device is of construction and may...
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SubjectTerms MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
Title External magnetic field measurement system - determines strength and direction using ferric probe with thyristor supply and detection circuits
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