| 摘要 |
<p>PURPOSE:To easily attain the address setting of lighting fixtures in a traveling light type refuge guiding device in which the plural lighting fixtures are arranged along a passage, electric power and a control signal are supplied to each arranged light fixture, the flow of the light is made by the flickering control of each light fixture, and a person is guided according to the directivity of the flow of the light. CONSTITUTION:A print circuit board 40 equipped with a through hole part 45 is arranged on the back face of a planar fluorescent lamp 16, and a photodiode 44 whose light receiving part is opposed to the planar fluorescent lamp 16 through the through hole part 45 is provided. An optical signal is transmitted from an optical wireless transmitter 54 and received by the photodiode 44, and the received signal is converted into address data and stored in a memory circuit.</p> |
