发明授权
US06956957B1 Loudspeakers 失效
扬声器

Loudspeakers
摘要:
A loudspeaker drive unit comprising a resonant acoustic radiator, an exciter on the radiator to apply bending wave energy to the radiator to cause it to resonate, a support for the loudspeaker drive unit, and means resiliently coupling the exciter to the support.
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