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Duty cycle of an output signal of a magnetic field sensor to detect speed and direction of angular rotation of a rotating magnetic structure or a fault

Patentnummer:US10473486B2
IPC Hauptklasse:G01D000514
Anmelder:
Erfinder:
Anmeldung:20.07.17
Offenlegung:20.07.17
Patenterteilung:12.11.19

Abstract / Hauptanspruch
In one aspect, an integrated circuit (IC) includes a magnetic field sensor to detect speed and direction of angular rotation of a rotating magnetic structure. The magnetic field sensor includes at least two magnetic field sensing elements configured to sense changes in a magnetic field caused by rotation of the magnetic structure. The IC also includes an output port configured to provide an output signal of the magnetic field sensor. A duty cycle percentage of the output signal indicates the speed and the direction or indicates a fault.

US10473486B2


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