| 摘要 |
PROBLEM TO BE SOLVED: To provide a projector with which the restraint of overheat of a housing is achieved without increasing the size of an outside shape. SOLUTION: The projector 1 includes: a light source unit 20 having a light source 16, and a bowl-shaped reflector 21 surrounding the light source 16 and concentrating light from the light source 16 towards an optical unit 5; a light source cover 6 made of a metallic material, which surrounds the light source unit 20 so as not to interfere with the guide of light from the light source unit 20 to the optical unit 5; a ventilating space provided in contact with the surface of the light source cover 6; and fans 25a and 25b for creating a current of air within the ventilating space. COPYRIGHT: (C)2006,JPO&NCIPI
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