发明授权
US5737390A Digital exchange system with function of displaying operation state of
system
失效
具有显示系统运行状态功能的数字交换系统
- 专利标题： Digital exchange system with function of displaying operation state of system
- 专利标题（中）： 具有显示系统运行状态功能的数字交换系统
-
申请号： US304835申请日： 1994-09-13
-
公开(公告)号： US5737390A公开(公告)日： 1998-04-07
- 发明人: Hiroshi Mano
- 申请人： Hiroshi Mano
- 申请人地址： JPX Kawasaki
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JPX Kawasaki
- 优先权： JPX5-232730 19930920
- 主分类号： H04L1/00
- IPC分类号： H04L1/00 ; H04M3/00 ; H04M3/22 ; H04M3/24 ; H04M9/00 ; H04Q3/58 ; H04Q11/04 ; H04M3/08
摘要：
A digital key telephone system which is connected to a digital network via a digital channel, a transmission error which has occurred on the digital channel is detected, and upon detection of the transmission error, information representing the transmission error is stored in an error table. When a display request of a transmission error is input from a digital key telephone, error information stored in the error table is read out, the readout information is transferred to the digital key telephone, and the information is displayed on a display of the telephone.
公开/授权文献
- USD305310S Finger-contoured rings 公开/授权日：1990-01-02
信息查询
