| 摘要 |
PROBLEM TO BE SOLVED: To provide an aeronautical beacon lamp equipped with a color filter providing a stable color of light by a simple manufacturing process even if it has a rounded shape, and having a chromaticity range of the color of light prevented from being deviated by a change in an ambient temperature. SOLUTION: In this aeronautical beacon lamp 1, an incandescent lamp 4 as a light source is attached to a fixed member 2b of a lamp body 2 by means of a light-source support part 5, while a globe 3, a color filter 60a, and a glass member 60b are attached to a fixed member 2a of the lamp body 2. The glass member 60b is formed of transparent glass of a rounded shape while the color filter 60a is formed into a cap shape covering the glass member 60b by using a colored silicone rubber member. The colored silicone rubber member 60a can be simply formed into a color filter providing stable color of light without precisely mixing color materials that affect variations in color of light, and is characterized by producing no color deviations by a change in an ambient temperature. Thus, the color filter 60a can be formed providing stable color of light without a color material mixed therein irrespective of its shape, and therefore the aeronautical beacon lamp 1 can be provided that has better light emission performance and lower manufacturing cost than a conventional one.
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