| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a guide plate which reduces an expense burden for installation, by shallow excavation, and having good visibility in the dark, as an emergency lamp requires separately an electric power source, and large expenses for the installation, although evacuated depending on the emergency lamp or the like, when evacuated from an indoor side under a dark condition at night, an electric power service interruption time or the like in disasters or the like, and as a large amount of installation expenses are required because a road face is excavated deeply when installed, in a display block with a luminous agent burnt on a ceramic block. <P>SOLUTION: A display plate is made of metal, and a thickness is restrained, the deep excavation for installation is not required. A metal plate surface is subjected to irregular-working, a guide mark is formed thereby, and a luminous phosphor is applied onto a recess, to secure the visibility in the dark. <P>COPYRIGHT: (C)2011,JPO&INPIT |
