发明名称 |
Three element gas tube protector module |
摘要 |
A telephone protector module utilizing a three element gas tube discharge device and having heat-actuated overload protection means causing both tip and ring circuits to be simultaneously grounded upon the occurrence of an overload.
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申请公布号 |
US4069509(A) |
申请公布日期 |
1978.01.17 |
申请号 |
US19760754545 |
申请日期 |
1976.12.27 |
申请人 |
PORTA SYSTEMS CORPORATION |
发明人 |
DE LUCA, PAUL V. |
分类号 |
H01T1/14;H01T4/06;(IPC1-7):H02H7/20 |
主分类号 |
H01T1/14 |
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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