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公开(公告)号：US10106079B2
公开(公告)日：2018-10-23
申请号：US14864185
申请日：2015-09-24
IPC分类号： G08B21/00 , G06F9/32 , H03K17/00 , G08B29/00 , G08B13/08 , G08B13/18 , G08B23/00 , G08B1/08 , B60Q7/00 , B61L29/24 , H04W24/04 , B61L23/00 , B61L23/06 , B61L27/00 , B61L29/28 , B61L29/30 , E01F9/30 , E01F9/654 , H04W4/70
摘要： A system for reliable detection of an approaching train and warning the roadway workers in proximity of the track is described. The system comprises at least one train detector cone (TDC) deployed along a side of an active railroad track and one or more personnel warning cones (PWC) placed near the work site, the cones configured in a wireless mesh network to provide redundant communication links. Detection of a train by the train detector cone is transmitted to the personnel warning cones which provide audible and visual warnings to nearby roadway workers. The system also includes a remote server for centralized tracking and monitoring of the train detector cones and personnel warning cones.
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公开(公告)号：US10518792B2
公开(公告)日：2019-12-31
申请号：US15659342
申请日：2017-07-25
IPC分类号： B61L23/06 , B61L29/24 , H04W24/04 , B61L23/00 , B61L27/00 , B61L29/28 , B61L29/30 , E01F9/30 , E01F9/654 , H04W4/70 , B60Q7/00
摘要： Systems and methods are disclosed for reliable detection of oncoming trains and for warning roadway personnel working on the railroad track of the oncoming train. A train detection system includes a wireless communication network further including train detection modules attached to catenary poles along the sides of the railroad track. Each train detection module is equipped with at least two diverse sensors configured to detect trains and other on-track vehicles. Each train detection sensor is simultaneously active and works with other train detection sensors to detect an approaching train and generate train alerts. The train alerts are transmitted wirelessly over the wireless communication network by the train detection modules. The system transmits train alerts to personal alert devices worn by roadway workers. The personal alert device forms an ad-hoc wireless network with the train detection modules.
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公开(公告)号：US20170320507A1
公开(公告)日：2017-11-09
申请号：US15659342
申请日：2017-07-25
摘要： Systems and methods are disclosed for reliable detection of oncoming trains and for warning roadway personnel working on the railroad track of the oncoming train. A train detection system includes a wireless communication network further including train detection modules attached to catenary poles along the sides of the railroad track. Each train detection module is equipped with at least two diverse sensors configured to detect trains and other on-track vehicles. Each train detection sensor is simultaneously active and works with other train detection sensors to detect an approaching train and generate train alerts. The train alerts are transmitted wirelessly over the wireless communication network by the train detection modules. The system transmits train alerts to personal alert devices worn by roadway workers. The personal alert device forms an ad-hoc wireless network with the train detection modules.
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