Title: Built-in microphone earphone
Application Number: 200520049984 Application Date: 2005.05.10
Publication Number: 000000000 Publication Date:
Approval Pub. Date: 2006.09.13 Granted Pub. Date: 2006.09.13
International Classifi-cation: H04R1/00
Applicant(s) Name: Gao Guozhen Address:
Inventor(s) Name: Gao Guozhen
Attorney & Agent: he wei
Abstract:
    The utility model discloses a built-in microphone earphone which makes a microphone be connected with an earphone into an integral structure. It includes an earphone identity, in which there is equipped with an extravertive noise deadening bore for outward sound and an introvertive pronouncing bore the extravertive noise deadening bore is equipped with an extravertive sending sound channel extending into the earphone identity and is buried with an extravertive microphone fitted with the extravertive sending sound channel and the transporting message wire is connected from the extravertive microphone to the exterior of the earphone identity which is used to receive the message. The introvertive pronouncing bore is equipped with an extending introvertive sending sound channel which is fixedly equipped with an introvertive microphone. It makes use of the phenomenon that the head cavity seven orifices are communicated and the principle that the tone can be gotten in the ear which makes the message be played by the introvertive microphone from the introvertive pronouncing bore, through the introvertive sending sound channel. It not only can eliminate the noise at side and increase the listening quality, but also can reduce the bodily form of the earphone which can satisfy the requirement of manufacturing the microminiature earphone.
Time: 12
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