| 摘要 |
<P>PROBLEM TO BE SOLVED: To ensure safety of a pedestrian such as an aged person who needs much more time for walking than a normal pedestrian without extending a period from the start of the railroad crossing alarm to the lowering of a crossing bar. <P>SOLUTION: A device 7 for announcing the start of the railroad crossing alarm gives advance notice that a railroad crossing alarm 4 sounds, at a predetermined time before a railroad crossing control device 6 causes the railroad crossing alarm 4 to sound. A pedestrian such as an aged person who needs much more time for walking can postpone crossing a railroad crossing road 3 by alarm start announcement display, and can be prevented from being left in the railroad crossing road 3 when the bar of a railroad crossing 5 is lowered, and the safety of the pedestrian can be improved. <P>COPYRIGHT: (C)2012,JPO&INPIT |
