| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a luminaire using a fluorescent lamp capable of reducing the installation quantity of luminaires by mounting the small fluorescent lamp enhanced in efficiency to each luminaire mainly using an existing member to improve emission efficiency per one luminaire, and capable of saving resources and space and of reducing waste materials. <P>SOLUTION: This luminaire D1 is equipped with: the straight tube-shaped fluorescent lamps L each composed by enclosing a discharge medium in a T5 type (having an outside diameter of 14.5-17.0 mm) glass tube bulb 1 having electrodes 3, 3 at both ends, having G5 type bases 5 jointed to ends of the bulb 1, having a total length of 1,180-1,240 mm, and operated with lamp power of 20-33 W; socket devices 7, 7 mounted in a luminaire body 6 longer than the total length of the fluorescent lamp L and corresponding to the G5 type bases for connecting and supporting base parts 5 of each fluorescent lamp L; and a lighting circuit device 8 for the fluorescent lamps L connected to the socket devices 7, 7. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
