ACOUSTIC TRANSDUCER INCLUDING AIRFOIL FOR GENERATING SOUND
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Jan 25, 2016
filing date -
Oct 13, 2010
priority date (Note) -
Abandoned
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Abstract
Systems, apparatus, devices, and methods for converting electrical signals into sound using an acoustic transducer. The inventive acoustic transducer utilizes the motion of an airfoil shaped element to generate a sound wave, with the airfoil element being driven in response to an electrical signal input to a suitable driving element. In some embodiments, the airfoil element or elements act to mechanically couple the motion of an armature attached to the driver to the surrounding air, producing sound waves in a more efficient manner than typical acoustic transducer devices. Embodiments of the invention may be used in the design of loudspeakers, earpieces, headphones, and other devices for which a high efficiency transducer is desired.
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