发明名称 Door intercom for a domestic intercom facility
摘要 <p>The device has a device housing (2), an outer cover (4) and a microphone arranged in the housing. The cover has a hearing tube (12) that is shifted downwards opposite to a microphone-receiver (6) in a normal installation condition of the device. A hearing channel (14) is provided between the tube and an area of the receiver. A sealing encloses the area of the tube and the channel and is arranged between the cover and a housing part.</p>
申请公布号 EP1841193(B1) 申请公布日期 2014.09.10
申请号 EP20070104637 申请日期 2007.03.22
申请人 GIRA GIERSIEPEN GMBH & CO. KG 发明人
分类号 H04M9/00 主分类号 H04M9/00
代理机构 代理人
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