Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1982-03-22
1984-11-27
Farley, Richard A.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
179110A, 310322, 367140, H04R 1700, H04R 100
Patent
active
044853220
ABSTRACT:
Provided is an ultrasonic transducer having a resonator which defines a space together with a bimorph cell disposed in the ultrasonic transducer. The space is fluid-tightly closed by the top portion of the resonator, thereby to keep water, such as for example, rainwater or cleaning water from entering into the space.
Akita Shigeyuki
Kodera Masao
Yasuda Eturo
Farley Richard A.
Nippon Soken Inc.
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