发明名称 |
Line condition reporting system |
摘要 |
An improved testing and reporting system for individual telephone subscriber circuits providing improved fault location technology together with major reduction in subscriber loop maintenance and repair operating costs. Provision is made for the testing of lines too remote for direct testing by resort to distally located test units controlled from a central office.
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申请公布号 |
US4581493(A) |
申请公布日期 |
1986.04.08 |
申请号 |
US19830559102 |
申请日期 |
1983.12.07 |
申请人 |
PORTA SYSTEMS CORP. |
发明人 |
GAZZO, JOHN;CUPANI, CARMINE;CHIODO, EDWARD;MAZZ, THOMAS |
分类号 |
H04M3/28;H04M3/30;(IPC1-7):H04M3/26 |
主分类号 |
H04M3/28 |
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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