SENSING OF A MAGNETIC TARGET

An apparatus comprises a magnetic target for generating a magnetic field that is uniform and concentric about a central axis of the target; an array of three-axis digital magnetic compasses for sensing the magnetic field; and a processor for finding intersection points of vectors from the compasses...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Merkley Alan Ray, Favilla Stephan Joel
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRIC ELEMENTS ELECTRICITY GYROSCOPIC INSTRUMENTS INDUCTANCES MAGNETS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SURVEYING TARIFF METERING APPARATUS TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	An apparatus comprises a magnetic target for generating a magnetic field that is uniform and concentric about a central axis of the target; an array of three-axis digital magnetic compasses for sensing the magnetic field; and a processor for finding intersection points of vectors from the compasses to the target. The vectors lie in a global X-Y plane that is normal to the central axis. Each vector indicates a direction of sensed magnetic field from one of the compasses to the magnetic target.