Electromechanical conversion system with moving magnets; acoustic diffuser comprising said system and a moving member that generates sound waves
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United States of America Patent
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Oct 14, 2014
Grant Date -
Jan 10, 2013
app pub date -
Mar 21, 2011
filing date -
Mar 25, 2010
priority date (Note) -
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Abstract
The invention relates to an electromechanical conversion system comprising: a fixed supporting structure, a movable element with respect to the fixed structure; at least one excitation coil; and at least one permanent magnet for generating an excitation magnetic field. The permanent magnet is integral with the movable element and the coil is integral with the fixed supporting structure. Moreover, a ferromagnetic circuit is provided fixed with respect to the structure and cooperating with the permanent magnet.
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