ULTRASONIC TRANSDUCER, SENSOR, AND REVERSING RADAR SYSTEM

摘要

An ultrasonic transducer (1) comprises a case (3), an inner chamber (5) formed on the case (3), a piezoelectric material sheet and a composite material (7) disposed in the inner chamber (5), and a wire (9) led from the inner chamber (5). A positioning structure (13) for determining an orientation of the ultrasonic transducer (1) is disposed on an end side wall (11) of the case (3). A sensor (17) comprising the ultrasonic transducer (1) and a reversing radar system are also provided. According to the present invention, an orientation of the ultrasonic transducer (1) relative to a casing (19) of the sensor can be controlled accurately, rapidly, and conveniently, thereby significantly improving accuracy of a measurement result of the reversing radar system.