| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a luminaire, and a lighting control system for detecting illuminance to maintain predetermined illuminance without being affected by in-tunnel environment. <P>SOLUTION: The lighting control system carries out drive control of the luminaire integrating a lighting power generating inverter circuit 14 for a lamp, an illuminance sensor 16 detecting illuminance of lamp illumination light, and a frequency control circuit 18 carrying out drive control of the inverter circuit 14 to provide the predetermined illumination lamp illuminance on the basis of detected illuminance of the illuminance sensor 16 in an exterior casing 21 hermetically holding an illumination lamp 15, and a sub luminaire integrated with an inverter circuit controlled on the basis of the detected illuminance from the luminaire, a lamp, and a frequency control circuit. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
