| 发明名称 |
Line take-up detection circuit |
| 摘要 |
An interface circuit including a galvanic isolation barrier between a transmission line and a user equipment, and a detector for detecting, independently from a transmission, the idle or busy state of the line.
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| 申请公布号 |
US2001036263(A1) |
申请公布日期 |
2001.11.01 |
| 申请号 |
US20010843095 |
申请日期 |
2001.04.25 |
| 申请人 |
GUITTON FABRICE;BREMOND ANDRE |
发明人 |
GUITTON FABRICE;BREMOND ANDRE |
| 分类号 |
H04M1/82;H04M3/22;(IPC1-7):H04M1/00;H04M3/00 |
主分类号 |
H04M1/82 |
| 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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