| 摘要 |
PROBLEM TO BE SOLVED: To provide a braille block allowing a visually handicapped person to accurately judge the direction of danger on a platform or a stairway and capable of expecting an effect for preventing a fall accident on the platform. SOLUTION: One or a plurality of unit brailles 4, each formed with a linear body 3 kept in contact with the chord 2 of a semispherical body 1, are arranged in a lattice shape with the linear face kept in parallel with one side of the braille block. The braille blocks 5 are installed in a linear shape with the linear body 3 kept in parallel with a railway. |
