发明名称 TELEPHONE HANDSET FOR A BROADBAND TELECOMMUNICATION SYSTEM
摘要 A telephone handset for a broadband telecommunication system, whose housing is composed of an upper shell and a lower shell forming a joining edge, shall guarantee a reliable coupling of the resonance volume to the free field with a particularly low sound leakage. For this purpose, the joining edge is provided according to the invention with a number of coupling slots.
申请公布号 US2008310618(A1) 申请公布日期 2008.12.18
申请号 US20080119347 申请日期 2008.05.12
申请人 AVAYA GMBH & CO. KG 发明人 DORN DIETER;BRUNSFELD KURT;ECKARD HANS-ULRICH
分类号 H04M1/00 主分类号 H04M1/00
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