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公开(公告)号:US09205852B2
公开(公告)日:2015-12-08
申请号:US14045675
申请日:2013-10-03
摘要: A monitoring system and method is provided for monitoring the lighting and the gate arm position at a railroad crossing.
摘要翻译: 提供了一种监测系统和方法,用于监测铁路道口处的照明和门臂位置。
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公开(公告)号:US20140034785A1
公开(公告)日:2014-02-06
申请号:US14045675
申请日:2013-10-03
IPC分类号: B61L29/08
摘要: A monitoring system and method is provided for monitoring the lighting and the gate arm position at a railroad crossing.
摘要翻译: 提供了一种监测系统和方法,用于监测铁路道口处的照明和门臂位置。
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