ANGULAR ORIENTATION SENSOR AND CORRESPONDING METHODS AND DEVICES

ANGULAR ORIENTATION SENSOR AND CORRESPONDING METHODS AND DEVICES

A sensor for sensing an angular orientation of a magnet producing a magnetic field includes a sensing unit having N≧2 magnetic field sensing devices MFSD; a scanning circuit for repeatedly sequentially probing at least two of the MFSDs and concatenating signals outputted by the respective MFSDs for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KEJIK, Pavel, REYMOND, Serge
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
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Beschreibung
Zusammenfassung:A sensor for sensing an angular orientation of a magnet producing a magnetic field includes a sensing unit having N≧2 magnetic field sensing devices MFSD; a scanning circuit for repeatedly sequentially probing at least two of the MFSDs and concatenating signals outputted by the respective MFSDs for obtaining a magnetic signal; a magnet-signal output for outputting the magnetic signal; and a reference output for outputting a reference signal independent of the magnetic field. The sensor includes a first signal processing unit SPU1 and a second signal processing unit which are identically constructed, each having an input and an output; a phase detection unit PDU having a first input PDU1 and a second input PDU2, for deriving phase differences between inputted signals, and for outputting a signal related to the angular orientation.