发明名称 Railway level crossings
摘要 Apparatus is disclosed for use at a railway level crossing having gates or barriers (3) which can be opened or closed or raised or lowered. The gates or barriers are provided with detection device (4) comprising switches and relays, for detecting whether at least one of the gates is open or closed or whether at least one of the barriers is raised or lowered. Warning devices (5) such as light beacons or LED displays, are connected to the detecting device for providing a warning indication to a user of the crossing that at least one of the gates is open or at least one of the barriers is raised. The LED display can be a double sided sign panel showing a warning text.
申请公布号 GB2419624(A) 申请公布日期 2006.05.03
申请号 GB20040023789 申请日期 2004.10.27
申请人 WESTINGHOUSE BRAKE AND SIGNAL HOLDINGS LIMITED 发明人 PAUL ROBERTSHAW;KEITH IRELAND
分类号 B61L29/08;B61L9/04;B61L29/24;B61L29/28 主分类号 B61L29/08
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