发明授权
US5594705A Acoustic transformer with non-piezoelectric core 失效
带非压电磁芯的声变换器

Acoustic transformer with non-piezoelectric core
摘要:
A transformer for transmitting energy across a medium, comprised of a primary transducer juxtaposed to the first side of the medium, a secondary transducer juxtaposed to the medium on a second side opposite to the first side and a generator coupled to the primary transducer for applying a driving signal thereto.
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