| 摘要 |
PROBLEM TO BE SOLVED: To save labor in an assembling process, and enhance reliability by providing an infrared ray sensor, a lighting control circuit, a socket for a small- size lamp, and a socket for a glow lamp on one board. SOLUTION: A fluorescent lamps 31, 32, lighting control device 4, other required components such as a ballast and the like, and a main body 5 are provided inside a translucent shade 2. Lighting control is conducted by operating a controller C. A printed circuit board is provided in the cover of the lighting control device 4. An infrared ray sensor, a lighting control circuit, a socket for a small-size lamp, and a socket for a glow lamp are respectively provided on the surface side of the printed circuit board. An infrared ray incident window, a small-size lamp mounting window, and a glow lamp window are respectively provided in the cover of the printed circuit board. |
