| 摘要 |
PROBLEM TO BE SOLVED: To provide a light fixture that improves the performance of an antenna in a metallic case.SOLUTION: A light fixture 20 comprises: a metallic case 520; a power supply circuit 22 arranged in the metallic case 520 to supply power to a light source 21; an antenna 24a arranged in the metallic case 520; a radio circuit 24 arranged in the metallic case 520 to receive a radio signal via the antenna 24a; a control circuit 23 that controls the power supply circuit 22 in accordance with the radio signal received by the radio circuit 24; at least one opening part 520a that makes the outside and inside of the metallic case 520 communicate with each other; and a wire 25 of which both ends are open, having electrical conductivity, insulated from the metallic case 520, and inserted into the at least one opening part.SELECTED DRAWING: Figure 1 |
