发明名称 Telephone exchange fault display system
摘要 A computer is used to test all the vertical groups of units in turn on a repeating cycle. Information about the existence of faults, the location of the first group with a fault and the total number of faulty groups is displayed on a screen, located in the monitoring office.
申请公布号 FR2770073(A1) 申请公布日期 1999.04.23
申请号 FR19970013404 申请日期 1997.10.21
申请人 POUYET SA 发明人 LETAILLEUR JEAN PIERRE
分类号 H04M3/10;H04Q1/14;(IPC1-7):H04Q1/14;H04Q1/20;H02H7/22;H04M3/08 主分类号 H04M3/10
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