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    • 3. 发明授权
    • Projector and lamp unit
    • 投影机和灯泡单元
    • US06467911B1
    • 2002-10-22
    • US09413311
    • 1999-10-06
    • Masayuki UeyamaYasumasa SawaiHideki NagataAkira Kawabata
    • Masayuki UeyamaYasumasa SawaiHideki NagataAkira Kawabata
    • G03B2100
    • F21V17/00F21V17/107F21V17/164G03B21/10G03B21/2046G03B21/2053H04N5/74H04N9/3141H04N9/3144H04N9/315H04N9/3155
    • A projector has a liquid crystal display panel for displaying an image, a lamp for illuminating the liquid crystal display panel, and a projection optical system for projecting light modulated by the image displayed. The lamp is held by a member whose position is variable to allow fitting of different types of lamp. The projector acquires data related to the lamp currently fitted and controls the light emission of the lamp on the basis of that data. The data includes the life of the lamp, so that the projector prevents the lamp to be lit longer than its remaining life. The remaining life is updated in accordance with how long the lamp has been lit. In addition to the lamp that is lit, an auxiliary lamp may be fitted so that the lamp that is lit can be switched to the auxiliary lamp as required. The lamp is formed into a single lamp unit together with a reflector or a casing to prevent the user from touching the lamp. The lamp is accessible for replacement only when it is in a predetermined position, where the lamp is never allowed when hot.
    • 投影仪具有用于显示图像的液晶显示面板,用于照亮液晶显示面板的灯和用于投影由所显示的图像调制的光的投影光学系统。 灯由位置可变的构件保持,以允许安装不同类型的灯。 投影机获取与当前安装的灯有关的数据,并根据该数据控制灯的发光。 数据包括灯的使用寿命,因此投影机可以防止灯泡比其剩余寿命长。 剩余寿命根据灯已点亮多长时间进行更新。 除了点亮的灯之外,还可以安装辅助灯,使得点亮的灯可以根据需要切换到辅助灯。 灯与反射器或壳体一起形成为单个灯单元,以防止使用者接触灯。 只有当灯处于预定位置时,才能进行更换,否则灯在热时不允许。
    • 7. 发明授权
    • Casing having a mounting portion at its inner wall surface for receiving
a bearing member therein
    • 外壳在其内壁表面具有安装部分,用于在其中容纳轴承部件
    • US4429927A
    • 1984-02-07
    • US251453
    • 1981-04-06
    • Akira Kawabata
    • Akira Kawabata
    • F16C35/04F16C35/06
    • F16C35/04
    • A casing shaped from a light metal material by diecasting, the casing having formed at its inner wall surface a mounting portion having a circular inner surface, the mounting portion being adapted to receive a bearing member having a circular outer surface and serving to journal a shaft. The circular inner surface of the mounting portion has formed thereon a plurality of supporting protrusions spaced at predetermined intervals in the circumferential direction, and the bearing member is press-fitted into the mounting portion. Alternatively, the mounting portion into which the bearing member is to be press-fitted is defined by an annular protruding portion having formed therein a plurality of slits spaced at predetermined intervals in the circumferential direction.
    • 一种由轻金属材料通过压铸成型的壳体,所述壳体在其内壁表面形成有具有圆形内表面的安装部分,所述安装部分适于容纳具有圆形外表面的轴承部件, 。 安装部的圆形内表面在其上形成有沿圆周方向以预定间隔隔开的多个支撑突起,并且将轴承构件压配合到安装部分中。 或者,轴承构件被压配入其中的安装部分由环形突出部分限定,其中形成有沿圆周方向以预定间隔隔开的多个狭缝。