发明名称 WIRELINE INTERFACE FOR CELLULAR TELEPHONE
摘要 A wireline interface (20) permitting a cellular telephone transceiver (12) to originate and receive calls using both cellular and wireline services. The invention permits a subscriber unit to operate as a standard cellular telephone when it is disconnected from a land-based telephone line, and as both a full-featured telephone and a full-featured cellular telephone when it is connected to a wireline. A duplexed audio switch permits the audio signals provided to and from a cellular-type handset to be connected either to the cellular transceiver or to the wireline interface adapter, under control of the user.
申请公布号 WO9417639(A1) 申请公布日期 1994.08.04
申请号 WO1994CA00020 申请日期 1994.01.18
申请人 NOVATEL COMMUNICATIONS LTD. 发明人 TAM, AMBROSE, WAH, CHING
分类号 H04M1/725;H04W4/16;H04W88/02 主分类号 H04M1/725
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