发明名称 |
Transformer coupled, solid state communications line switch |
摘要 |
A plurality of signal coupling transformers and a plurality of solid state switches are used to insert and/or de-insert data terminal equipment (DTE) from a communications network. The solid state switches are controlled to short the output of selected transformers thereby allowing signals on the communications network to bypass the DTE and/or to be switched into the DTE. The DTE may also loop electrical signals from its output to its input.
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申请公布号 |
US4620187(A) |
申请公布日期 |
1986.10.28 |
申请号 |
US19840680621 |
申请日期 |
1984.12.11 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORP. |
发明人 |
CONNER, DAVID E. |
分类号 |
H03K17/00;H04L12/42;(IPC1-7):H04Q3/00;H04B3/00;H04J3/00;H04J3/02 |
主分类号 |
H03K17/00 |
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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