Patent ID: 8853919

Claim:
An ultrasonic sensor device, comprising: a housing including an enclosing portion formed with a first opening and a second opening that is opposite to said first opening and that is in spatial communication with said first opening, and a connecting portion having a first end connected to said enclosing portion and a second end formed with a third opening; a circuit board disposed at said first opening of said enclosing portion; a transducer including an electrically conductive casing having a bottom wall and a surrounding wall that cooperate to define a receiving space, and a piezoelectric member disposed on top of said bottom wall, said surrounding wall being formed with a pin engaging hole, said transducer being mounted to said enclosing portion at said second opening in a manner that said receiving space and said pin engaging hole open toward said first opening; a first connecting pin set disposed in said enclosing portion, said first connecting pin set including a first connecting pin having one end connected electrically to said circuit board and another end extending into said receiving space and connected electrically to said piezoelectric member, and a second connecting pin having one end connected electrically to said circuit board and another end extending into said pin engaging hole to connect electrically with said surrounding wall; and a second connecting pin set disposed in said enclosing portion and having one end connected electrically to said circuit board and another end extended into said connecting portion toward said third opening.