发明名称 |
Terminal device management system and a method for detecting a failed terminal device using the system |
摘要 |
A terminal device management system includes a plurality of terminal devices and a remote management apparatus for remotely managing the plurality of terminal devices. The remote management apparatus includes a data receiving section, a management table storing section for storing a management table including identifiers for the terminal devices which are set to transmit data in a transmission time interval for identifying whether data has been Bent from the terminal devices or not, a timer section for measuring a time period during which a line is not connected in the transmission time interval, and a control section for detecting whether or not the time period measured by the timer section reaches a predetermined time period, and for, when it is detected that the predetermined time period is reached, detecting a terminal device the identifier of which in the management table stored in the management table storing section indicates data has not been received therefrom, as a failed terminal device.
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申请公布号 |
US5802271(A) |
申请公布日期 |
1998.09.01 |
申请号 |
US19930137590 |
申请日期 |
1993.10.15 |
申请人 |
MITA INDUSTRIAL CO., LTD. |
发明人 |
HASHIMOTO, YASUHIRO;SAKO, MASAHIRO;INENAKA, HIROYUKI;YAMASHITA, YUJI |
分类号 |
G03G21/00;G03G15/00;G03G21/02;G06F13/00;H04L12/24;H04L12/26;H04M11/00;(IPC1-7):G06F13/00 |
主分类号 |
G03G21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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