发明名称 Method and apparatus for controlling railway switches
摘要 The invention provides a railroad switch for use in un-signaled (dark) territory. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
申请公布号 US2008272247(A1) 申请公布日期 2008.11.06
申请号 US20080217184 申请日期 2008.07.02
申请人 BEAMON DONALD COY;POSEY JOHN CALVIN 发明人 BEAMON DONALD COY;POSEY JOHN CALVIN
分类号 B61L5/06;G05B11/01 主分类号 B61L5/06
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