US 12,405,322 B2
Magnetic position sensor system and method
Gael Close, Morges (CH); and Samuel Huber Lindenberger, Jenaz (CH)
Assigned to MELEXIS TECHNOLOGIES SA, Bevaix (CH)
Filed by Melexis Technologies SA, Bevaix (CH)
Filed on Apr. 21, 2023, as Appl. No. 18/304,570.
Application 18/304,570 is a continuation of application No. 17/122,163, filed on Dec. 15, 2020, granted, now 11,668,770.
Claims priority of application No. 19220092 (EP), filed on Dec. 30, 2019.
Prior Publication US 2023/0251332 A1, Aug. 10, 2023
Int. Cl. G01R 33/038 (2006.01); G01D 5/14 (2006.01); G01R 33/07 (2006.01)
CPC G01R 33/038 (2013.01) [G01D 5/145 (2013.01); G01R 33/07 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A position sensor device, comprising:
at least two magnetic sensors spaced apart in an X-direction, each of the at least two magnetic sensors configured to measure at least two orthogonal magnetic field components; and
a processing circuit configured for:
calculating two pairwise differences,
calculating and outputting a first signal indicative of a position of the device relative to a magnetic source, based on a ratio of said two pairwise differences,
calculating and outputting a second signal of a fault, the second signal based on a sum of squares of the two pairwise differences or a sum of absolute values of the two pairwise differences.