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    • 33. 发明申请
    • PROJECTOR
    • 投影机
    • US20120075597A1
    • 2012-03-29
    • US13242304
    • 2011-09-23
    • Yusuke YamamotoToshihiro SaruwatariChao Wang
    • Yusuke YamamotoToshihiro SaruwatariChao Wang
    • G03B21/14
    • G03B21/132G03B21/145
    • A projector to which a ceiling suspension attachment is fixed. The projector accommodates an internal device. The projector is provided with an outer case including a bottom wall that defines an outer bottom surface and an inner bottom surface of the outer case. Insert nuts are arranged on the bottom wall. Each insert nut includes a threaded hole to which a first coupling screw is fastened and a second coupling screw can be fastened. The first coupling screw couples the attachment to the outer bottom surface of the bottom wall, and the second coupling screw is fastened to the threaded hole from a side opposite to the first coupling screw. The second coupling screw is fastened at least one of the insert nuts to couple the inner device to the inner bottom surface of the bottom wall.
    • 固定吊顶附件的投影机。 投影机可容纳内部设备。 投影仪设置有外壳,该外壳包括限定外壳的外底表面和内底表面的底壁。 插入螺母布置在底壁上。 每个插入螺母包括螺纹孔,第一联接螺钉被紧固到该螺纹孔,并且可以固定第二联接螺钉。 第一联接螺钉将附件连接到底壁的外底表面,并且第二联接螺钉从与第一联接螺钉相对的一侧紧固到螺纹孔。 第二联接螺钉紧固至少一个插入螺母,以将内部装置联接到底壁的内底表面。
    • 38. 发明申请
    • PROJECTION DISPLAY DEVICE
    • 投影显示设备
    • US20110075112A1
    • 2011-03-31
    • US12893616
    • 2010-09-29
    • Yusuke Yamamoto
    • Yusuke Yamamoto
    • G03B21/16
    • G03B21/16
    • A projection display device includes a first exhaust fan mainly for exhausting air from a light source and a second exhaust fan mainly for exhausting air from components other than the light source. The second exhaust fan is arranged on an exhaust side of the first exhaust fan so as to overlap partly the first exhaust fan. In addition, a distance between the first exhaust fan and the second exhaust fan is set within a section in variation characteristic of a noise level of the projection display device with respect to the distance, in which the noise level does not vary even with a change in the distance.
    • 投影显示装置包括主要从光源排出空气的第一排气扇和主要用于从光源以外的部件排出空气的第二排风扇。 第二排气风扇布置在第一排风扇的排气侧,以便部分地与第一排风扇重叠。 此外,第一排气风扇和第二排风扇之间的距离被设定在投影显示装置的噪声水平相对于距离的变化特性的区间内,噪声水平即使在变化时噪声水平也不变化 在远处。