发明名称 Cellular phone accounting system
摘要 A cellular telephone accounting system includes an integrated hardware system interlinking a cellular telephone unit, a telephone interlink receiver, and a central processing unit connected to the interlink receiver. The hardware system also preferably includes a receipt printer and a credit card reader. The cellular telephone unit is equipped with an internal real time clock and calendar circuit and memory store to record the time and date of calls for reporting to the central processing unit to enable tracking and detailed accounting of calls.
申请公布号 US5325418(A) 申请公布日期 1994.06.28
申请号 US19910767231 申请日期 1991.09.27
申请人 TELEMAC CELLULAR CORPORATION 发明人 MCGREGOR, DONALD S.;MCGREGOR, GREGORY M.
分类号 H04M15/00;H04M15/30;H04M17/02;H04W4/24;(IPC1-7):H04M11/00;H04Q7/00 主分类号 H04M15/00
代理机构 代理人
主权项
地址