Invention Grant
US09544676B2 Oval shaped in-ear headphone 有权
椭圆形入耳式耳机

Oval shaped in-ear headphone
Abstract:
A pair of in-ear headphones is disclosed that are operable to reproduce incoming audio signals. The in-ear headphones include an oval shaped housing defining an internal chamber. A front portion of the oval shaped housing defines a nozzle extending away from the housing. A driver is positioned in the internal chamber such that a sound reproduction portion of the driver is aligned with an internal audio channel running through the nozzle. A damper is positioned in an end of the nozzle having a damper aperture having a predetermined size. The nozzle extends from a base portion of the housing at a predetermined upward angle and a predetermined bend angle that provides improved audio frequency responses in desirable frequency ranges.
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