发明名称 Telephone systems.
摘要 <p>A telephone system comprises a plurality of base stations (26, 30) all connected to a public switched telephone network (PSTN) and a plurality of groups of handsets (12, 34). Each group of handsets (12, 34) is associated with a corresponding one of the base stations (26, 30) by virtue of each base station being equipped to identify and receive a call from the PSTN for any handset of the corresponding group. The handsets of a particular group communicate by means of a radio link with the corresponding base station, thereby avoiding the need for any hard wiring between the base stations (26, 30) and the handsets (12, 34).</p>
申请公布号 EP0388034(A2) 申请公布日期 1990.09.19
申请号 EP19900301939 申请日期 1990.02.23
申请人 FERRANTI CREDITPHONE LIMITED 发明人 BUISSERET, TIMOTHY J.;PICKIN, JOHN R.
分类号 H04M1/733;H04W84/16 主分类号 H04M1/733
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