| 摘要 |
According to one embodiment, a transducer includes, a first transducer member, a second transducer member, and a coupling member. The first transducer member including a piezoelectric element in which longitudinal vibration and bending vibration are excited by application of a predetermined alternating signal. The second transducer member which is placed to make a predetermined angle with the first transducer member and in which longitudinal vibration and bending vibration are excited by application of a predetermined alternating signal. The coupling member configured to hold one end of the first transducer member and one end of the second transducer member.
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