Invention Grant
US09257960B2 Electroacoustic transducer having reduced losses due to transverse emission and improved performance due to suppression of transverse modes 有权
电声换能器由于横向模式的抑制而具有减少的横向发射损耗和改进的性能

Electroacoustic transducer having reduced losses due to transverse emission and improved performance due to suppression of transverse modes
Abstract:
An electroacoustic transducer has reduced loss due to acoustic waves emitted in the transverse direction. For this purpose, a transducer comprises a central excitation area, inner edge areas flanking the central excitation area, outer edge areas flanking the inner edge areas, and areas of the busbar flanking the outer edge areas. The longitudinal speed of the areas can be set so that the excitation profile of a piston mode is obtained.
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