HIGH RESOLUTION HIGH OUTPUT TRANSDUCER

A high resolution positioning sensor having a magnetic field generator, a device connected to the magnetic field generator for concentrating lines of magnetic flux produced by the magnetic field generator, and a magneto resistive element connected to the concentrating device. The magneto resistive e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PAWLETKO, JOSEPH P
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONTROLLING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A high resolution positioning sensor having a magnetic field generator, a device connected to the magnetic field generator for concentrating lines of magnetic flux produced by the magnetic field generator, and a magneto resistive element connected to the concentrating device. The magneto resistive element is adapted to change resistive properties as a function of magnetic flux density. A reference position scale is also provided, having a transducer grid with a number of protuberances. Two flux couplers are connected to the magneto resistive element and are arranged out of phase with one another with respect to the protuberances of the transducer grid. These flux couplers modulate flux distribution between the concentrating device and the transducer grid.