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POSITIONSSENSOR UND VERFAHREN ZUR POSITIONSERFASSUNG UND DIAGNOSTIK

Patentnummer:EP3467443B1
IPC Hauptklasse:G01D5/244
Anmelder:ams AG (2)
Schloss Premstätten; Tobelbader Strasse 30, 8141 Unterpremstätten, AT
Erfinder:EINSPIELER ROLAND (1)
KURMIES GUENTER (1)
URBAN MARCEL (1)
Anmeldung:05.10.17
Patenterteilung:18.08.21
Einspruch bis:18.05.22

Abstract / Hauptanspruch
A position sensor comprises at least one magneto-sensitive element (11 - 14), a current source (80) that is coupled to the at least one magneto-sensitive element (11 to 14) and is configured to supply a source current (IS) to the at least one magneto-sensitive element (11 - 14), an analog-to-digital converter (15) having an input coupled to the at least one magneto-sensitive element (11 - 14), a position calculation unit (16) that is coupled to an output of the analog-to-digital converter (15) and comprises a first output (17) for providing a position signal (SP), and a diagnostic unit (40) that comprises an output (41) coupled to the current source (IS) and is configured to provide a stimulus signal (STI) as a function of a stimulus pattern at the output (41) of the diagnostic unit (40).


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