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    • 1. 发明授权
    • Projector with dustproof ventilating member
    • 投影机带防尘通风构件
    • US06416184B1
    • 2002-07-09
    • US09512771
    • 2000-02-25
    • Jun AraiShogo KurosawaNobuo Watanabe
    • Jun AraiShogo KurosawaNobuo Watanabe
    • G03B2116
    • G03B21/16G03B21/145
    • A projector is provided in which the production of an outer casing is facilitated, cooling efficiency is maintained well, and the outward appearance is preferable. A dustproof ventilating member is mounted in a clearance formed between the rim of an opening of a front casing forming an outer casing, and a projection lens. For this reason, cooling air can be reliably drawn into a device via the ventilating member. Since this eliminates the necessity for forming a meshed air inlet in the outer casing, the production of the outer casing is facilitated, and the manufacturing operation of the projector is easily performed. Moreover, cooling efficiency is maintained well, and the outward appearance is made preferable.
    • 提供了一种投影机,其中促进了外壳的生产,冷却效率保持良好,并且外观是优选的。 防尘通风部件安装在形成在形成外壳的前壳体的开口的边缘与投影透镜之间的间隙中。 因此,可以通过通风部件将冷却空气可靠地吸入装置。 由于不需要在外壳中形成网状空气入口,所以容易制造外壳,并且容易进行投影机的制造操作。 此外,冷却效率保持良好,外观优选。