发明授权
US07925035B2 Speakerbox 有权
扬声器盒

Speakerbox
摘要:
An electro-acoustic communications unit (20) may include an acoustic driver (22) which, when operated, emits acoustic waves in two directions. A hermetically sealed container (24) attached to the acoustic driver may include a gas other than air. The gas may transport acoustic waves generated by the acoustic driver.
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