Invention Grant
US08794071B2 Ultrasonic wave sensor and method for attaching ultrasonic wave sensor 有权
超声波传感器及附着超声波传感器的方法

Ultrasonic wave sensor and method for attaching ultrasonic wave sensor
Abstract:
An ultrasonic sensor of the present invention is attached to the back face of a bumper 4, and provided with a matching member 3 that is in intimate contact with the ultrasonic wave transmitting surface of the ultrasonic sensor and the opposing face of the bumper 4 and that has an acoustic impedance smaller than each of the impedances of the sensor and the bumper.
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