发明名称 |
Model train controller using electromagnetic field between track and ground |
摘要 |
A controller for model trains on a train track is provided. The controller transmits control signals between a rail of the track and earth ground, generating an electromagnetic field which extends for several inches around the track. A receiver in the locomotive can then pick up signals from this electromagnetic field.
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申请公布号 |
US5441223(A) |
申请公布日期 |
1995.08.15 |
申请号 |
US19930134102 |
申请日期 |
1993.10.08 |
申请人 |
YOUNG, NEIL P. |
发明人 |
YOUNG, NEIL P.;HAMPTON, DAVID M. |
分类号 |
A63H18/12;A63H19/24;A63H19/32;A63H30/02;A63H30/04;B61L3/08;(IPC1-7):B61L7/08;B61L27/00 |
主分类号 |
A63H18/12 |
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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