| 摘要 |
PROBLEM TO BE SOLVED: To provide a marker device convenient in handling, storage and conveyance by miniaturizing it without decreasing its light quantity or reducing its marker function. SOLUTION: Many luminescence unit bodies 1 each arranged with many light emission diodes 4 are protruded in the radial direction on the outside peripheral face of a flat hollow base 31 storing an electronic control circuit 51 and are separably arranged in the peripheral direction. Even when a light reflector 52 is provided in the front of the hollow base 31 and this marker device is miniaturized, a sufficient light quantity can be secured without limiting the number and size of the luminescence unit bodies 1.
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