| 摘要 |
A signal display lamp is provided that is capable of performing display in diverse modes and hence capable of increasing the quantity of transmittable information and capable of improving the reliability of information transmission. The signal display lamp includes a display portion that is capable of performing display in a plurality of display colors and that is capable of changing a position or a size of a display region in each display color, a display color determining means for determining the display color based on first information, a display region determining means for determining a position or a size of a display region in a display color determined by the display color determining means based on second information, and a display portion control means for controlling the display portion based on a display color determined by the display color determining means and based on a position or a size of a display region determined by the display region determining means. |
