发明名称 |
Protection of railway linesmen teams from approaching trains |
摘要 |
A protection device for railway workers (platelayers, etc) uses a magnet with a resonance frequency of two kilohertz, plus a relay. The magnet operates the trains' emergency brakes. The magnet is connected by communications cable about eleven hundred yards long to a control apparatus. By means of switches, this apparatus can activate or deactivate the magnet.
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申请公布号 |
DE4420699(A1) |
申请公布日期 |
1995.12.21 |
申请号 |
DE19944420699 |
申请日期 |
1994.06.14 |
申请人 |
KURZ, DIETER, 55118 MAINZ, DE |
发明人 |
KURZ, DIETER, 55118 MAINZ, DE |
分类号 |
B61L23/06;(IPC1-7):B61L23/06;B61L1/10 |
主分类号 |
B61L23/06 |
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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