发明名称 PORTABLE TERMINAL
摘要 A portable terminal comprising a housing which incorporates a receiving speaker, an earpiece portion which allows a user to listen to an output sound from the receiving speaker, a first sound emission portion and a second sound emission portion which guide the output sound from the receiving speaker to the earpiece portion, and a sound guide space which communicates the first sound emission portion and the second sound emission portion. The first sound emission portion is opposed to the receiving speaker. The second sound emission portion is formed in plane with and near to the first sound emission portion. The second sound emission portion is located at a center of the earpiece portion
申请公布号 US2013114844(A1) 申请公布日期 2013.05.09
申请号 US201213724929 申请日期 2012.12.21
申请人 FUKAZAWA KENJI;YOSHIDA HIROSHI;NEC CORPORATION 发明人 FUKAZAWA KENJI;YOSHIDA HIROSHI
分类号 H04R1/02 主分类号 H04R1/02
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