Method and device for processing a signal produced by a sensor for detecting the rotation of a rotating target

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United States of America Patent

PATENT NO 11054435
APP PUB NO 20180031594A1
SERIAL NO

15552859

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Abstract

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Disclosed is a method for processing a primary signal produced by a sensor detecting the rotation of a rotating target. The primary signal includes pulses having, for a given speed of rotation of the target, a first positive voltage level for rotation in a first determined direction or a second positive voltage level for the opposite direction. A first secondary signal is generated by comparing the primary signal to a first determined voltage threshold between the first and second voltages. A second secondary signal is generated by comparing the primary signal to a second determined voltage threshold between the second voltage level and zero. A determined delay is introduced in the second secondary signal. A determined time threshold is compared to the duration between an active edge of the second secondary signal and the last preceding active edge of the first secondary signal, indicating direction.

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Patent Owner(s)

  • CONTINENTAL AUTOMOTIIVE FRANCE; CONTINENTAL AUTOMOTIVE GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gouzenne, Coutier Valerie Tournefeuille, FR 2 20
Joseph, Fabien Castanet Tolosan, FR 15 16

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