Contact detection by means of an ultrasonic sensor system

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United States of America Patent

PATENT NO 12072408
APP PUB NO 20230011454A1
SERIAL NO

17784873

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Abstract

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A method for contact detection for an ultrasonic sensor system installed in a concealed or unconcealed manner is disclosed. The method involves detecting reference surroundings information, comprising a time profile of a signal with: noise signal information relating to a wall material and/or airborne sound signal information, using an ultrasonic sensor of the ultrasonic sensor system; storing the reference surroundings information; detecting real-time surroundings information, comprising a time profile of a signal with: noise signal information relating to the wall material and/or airborne sound signal information and/or object sound signal information relating to an object in contact with the wall material, using the ultrasonic sensor; and forming a difference signal between the surroundings information of reference surroundings information and real-time surroundings information, using a computational unit. The difference signal can be interpreted in a further step.

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Patent Owner(s)

Patent OwnerAddress
VALEO SCHALTER UND SENSOREN GMBH74321 BIETIGHEIM-BISSINGEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kupfernagel, Uwe Bietigheim-Bissingen, DE 11 31
Roeger, Marian Bietigheim-Bissingen, DE 4 10
Salomon, Sylvio Bietigheim-Bissingen, DE 5 1

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