Patent ID: 7626888
Filing Date: 2009-12-01
Classification: G01S,G10K

Abstract:
1. An ultrasound sensor, comprising: a housing which is fixedly arranged at inner side of a periphery member of a vehicle; an ultrasound vibrator for sending and receiving ultrasound, the ultrasound vibrator being accommodated in the housing and fixed to an end portion of the housing, the end portion facing the periphery member; and an ultrasound transferring member which is arranged at the end portion of the housing and contacts both the ultrasound vibrator and the periphery member of the vehicle, wherein the ultrasound transferring member is constructed of a different material from that of the housing to have an acoustic impedance with a medium value between an acoustic impedance of the ultrasound vibrator and that of the periphery member, the ultrasound being sent and received through the ultrasound transferring member and the periphery member of the vehicle.