| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow a user to judge whether a lighting device can be used or not in advance based on the displayed temperatures, in the lighting device housing an inverter lighting device 1 in a cylindrical housing case 2. <P>SOLUTION: In this lighting device housing the inverter lighting device 1 to light a discharge lamp in the cylindrical housing case 2 having waterproof performance, a temperature measuring point and the highest service temperature are displayed on the cylindrical housing case 2. The temperature measuring point is set at the electronic component of the inverter lighting device 1 having the cylindrical housing case 2 built-in, especially at the component the temperature of which most easily reaches the highest service temperature among the components of the inverter lighting device 1 integrated in the cylindrical housing case 2, or on the surface of the cylindrical housing case 2. <P>COPYRIGHT: (C)2007,JPO&INPIT |
