http://www.freshpatents.com/Railway-switches-and-signals-dtnewntc246.php USPTO Class 246 - Railway switches and signals en-us Mon, 20 May 2013 13:34:42 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130516ptan20130119205.php Mon, 20 May 2013 13:34:42 -0700 A motorman's cab display system includes a motorman's cab display apparatus that can automatically adjust display luminance of a display device without using an illuminance sensor. The motorman's cab display apparatus determines, based on location information of a train transmitted from a train information control system, whether the train is...