Patent ID: 9746449
Date: 2017-08-29
CPC Classifications: G01N,G01S

Claim:
1. An ultrasonic sensor device for mounting adjacent a trim element of a motor vehicle, the ultrasonic sensor device comprising an ultrasonic sensor, which comprises a pot-shaped membrane for emitting and/or receiving ultrasonic signals, comprising a decoupling ring, which is arranged to fit around the membrane in contact with an outer circumference of the membrane, and comprising a stiffening element, which is arranged around the decoupling ring, wherein the decoupling ring comprises a circumferential first radial decoupling region which is in contact with the outer circumference of the membrane as well as a second radial decoupling region with an axial face, which is in contact with an axial face of the stiffening element, and wherein the axial face of the decoupling ring forms a front side, which faces in a first direction and is in contact with a back side of the stiffening element that faces the ultrasonic sensor and faces in a second direction, opposite the first direction.