发明名称 METHOD AND DEVICE TO ESTABLISH BIDIRECTIONAL AND/OR MULTIDIRECTIONAL COMMUNICATIONS BETWEEN DIFFERENT PERSONS GROUPED IN DIFFERENT GEOGRAPHICALLY DISTANT LOCATIONS CONNECTED TO EACH OTHER BY TELEPHONE LINES
摘要 <p>A method and a device for establishing communication between several persons distant from one another. The method allows, by means of an appropriate spatial multiplexing, speech signals and signalling signals to be transmitted simultaneously between at least two stations ST1, ST2 connected together by a special connection. Each station comprises at least one communication unit U' comprising a microphone, a badge reader identifying a person, and a synoptic panel representing the geographical situation of the stations of a same network by display constituted by diodes and the illumination state of which indicates the state of each station of the network during a conference.</p>
申请公布号 EP0041902(B1) 申请公布日期 1986.04.02
申请号 EP19810400921 申请日期 1981.06.10
申请人 FAYE, ANDRE 发明人 FAYE, ANDRE
分类号 H04M11/06;H04M3/56;H04M7/00;H04M11/00;(IPC1-7):H04M3/56;H04N7/14 主分类号 H04M11/06
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