发明名称 Stationary device for a house intercom system
摘要 <p>The device (1) has a housing (2), and audio components provided with a microphone and a loudspeaker for audio-communication. Video components are provided with a video-display (8) for representing a video image and/or a user menu. The loudspeaker is arranged in an area covered by the display at a vision side of a front device within the housing. A sound chamber is attached to the loudspeaker and is connected with a lateral housing-sound hole (20) via a sound channel. An acoustic rear volume is assigned to the loudspeaker on its side turned away from the chamber.</p>
申请公布号 EP2107767(A1) 申请公布日期 2009.10.07
申请号 EP20080153897 申请日期 2008.04.01
申请人 GIRA GIERSIEPEN GMBH & CO. KG 发明人 MAEHRINGER, CLAUS;DORNSEIFF, ANDRE
分类号 H04N7/18;H04M1/02 主分类号 H04N7/18
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