| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal security system which shortens a period from the time when an on-board device of a preceding train releases an exclusive right over a block to the time when a succeeding train turns ready to travel the block.SOLUTION: In on-board devices 101, 102 which cycle through a train and wayside equipment present within a track configured of one or more blocks where exclusive rights of train 1, 2 are set, receive security telegram 201 containing block exclusive right information which enables the block exclusive rights to be set in one train, and transmit the telegram to another device, the telegram 201 contains block exclusive right reservation information which indicates a train where block exclusive right is set next to a train where block exclusive right has been set by the block exclusive right information. The on-board devices 101, 102 are configured to rewrite block exclusive right information in accordance with the release of block exclusive right information set by block exclusive right information in a train loaded with the on-board devices.SELECTED DRAWING: Figure 1 |
