APPARATUS FOR DETECTING METAL OBJECTS

APPARATUS FOR DETECTING METAL OBJECTS

The apparatus of the invention comprises at least two transmitter coils (3) and a respective number of receiver coils (4). The transmitter coils (3) and the respective receiver coils (4) are placed in a crosswise position with respect to each other so that the primary fields created by the transmitt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAPPALAINEN, AATU V.K, KIURU, ERKKI S, SAVOLAINEN, KALEVI, AITTONIEMI, KARI T.J
Format: Patent
Sprache:eng ; fre
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The apparatus of the invention comprises at least two transmitter coils (3) and a respective number of receiver coils (4). The transmitter coils (3) and the respective receiver coils (4) are placed in a crosswise position with respect to each other so that the primary fields created by the transmitter coils (3) are divergent.