Position measuring device

In such a position-measuring device, a periodic measuring division is scanned by a scanning unit with four groups (A-D) of four magnetoresistive elements each (An-Dn) (n = 1,2,3,4) for obtaining position-dependent output signals with optimum signal parameters; each group (A-D) extends over a divisio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	METZ, GERALD, (GRAD), SPIES, ALFONS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK 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:	In such a position-measuring device, a periodic measuring division is scanned by a scanning unit with four groups (A-D) of four magnetoresistive elements each (An-Dn) (n = 1,2,3,4) for obtaining position-dependent output signals with optimum signal parameters; each group (A-D) extends over a division period (t) of the measuring division. The magnetoresistive elements (An-Dn) are interconnected in the form of a series/parallel circuit to form two half-bridge circuits (H1, H2), the magnetoresistive elements (An-Dn) of each group (A-D) of the upper bridge branch being offset by the amount t/2 with respect to the corresponding magnetoresistive elements (An-Dn) of their group (A-D) of the lower bridge branch.