Patent ID: 6084976
Filing Date: 2000-07-04
Classification: H04R

Abstract:
An earphone without impulse noise and conductive hearing, comprising:a loudspeaker having a first sound output end for producing a high intensive sound wave with high intensive sound pressure, and a second sound output end for producing a low intensive sound wave with low intensive sound pressure; andan earphone housing, which comprises:a housing body having a first open-end, a second open-end and a receiving chamber therein for mounting said loudspeaker in such manner that said first sound output end and said second sound output end are facing to a said first open-end and said second open-end of said housing body;a sound output hood, which has a plurality of meshes thereon and is provided at said first open-end of said housing body, being positioned in front of said first sound output end of said loudspeaker; anda sound collecting hood, which has a plurality of meshes thereon and is provided at said second open-end of said housing body, being positioned in front of said second sound output end of said loudspeaker; wherein said high intensive sound wave produced at said first sound output end emits outside said housing body through said meshes of said sound output hood and returns between said second sound output end of said loudspeaker and said sound collecting hood inside said housing body through a sound inlet provided around said housing body, wherein said sound output hood and said sound collecting hood cover said first open-end and said second open-end of said housing body respectively, wherein said sound collecting hood of said earphone housing is constructed as an earplug adapted for hanging between a tragus and an antitragus of a users ear;thereby said high intensive sound wave and said low intensive sound wave are constructively and destructively interfered between said sound collecting hood and said second sound output end of said loudspeaker to form a combined sound wave with high-clarity sound interval to emit through said meshes of said sound collecting hood.