Transducers with annular contacts

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Reexamination Certificate

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Details

C310S322000, C310S366000, C367S141000, C381S173000, C381S190000

Reexamination Certificate

active

07579753

ABSTRACT:
An electronic device and transducer structures are described.

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