| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasonic sensor device that achieves reduction in working hours and manufacturing cost by suppressing the use of lead wires in electrical connection of each component.SOLUTION: An ultrasonic sensor device includes: a hollow housing 4 in which first and second openings 411 and 412 are formed; a circuit board 8 fixed in the first opening 411; a sensor unit 5 fixed in the second opening 412; a first signal pin 43 having one end electrically connected to a piezoelectric element 54 included in the sensor unit 5 and having the other end inserted into the circuit board 8; and a first ground pin 44 having one end inserted into a peripheral wall 51 of the sensor unit 5 and having the other end inserted into the circuit board 8. |
