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    • 11. 发明申请
    • Projection type display apparatus
    • 投影式显示装置
    • US20080117386A1
    • 2008-05-22
    • US11982907
    • 2007-11-06
    • Satoru MizouchiJunichi Iwai
    • Satoru MizouchiJunichi Iwai
    • G03B21/28G03B21/14
    • H04N9/3194G03B21/2066G03B21/2073G03B33/12H04N9/3105
    • Disclosed herein is a projection type display apparatus, including: a color separation optical system configured to separate light from a light source into a plurality of light fluxes of different colors; a plurality of reflection type light valve devices provided individually for the color light fluxes; a plurality of polarization beam splitters each configured to polarize and separate a predetermined one of the color light fluxes separated by said color separation optical system and then polarize and separate the light coming in from the reflection type light valve device; and a light reception device provided for one or more of said polarization beam splitters and configured to detect light emitted from a second face from among faces of the predetermined polarization beam splitter which is opposite to a first face to which the predetermined color light flux from said color separation optical system is introduced.
    • 这里公开了一种投影型显示装置,包括:分色光学系统,被配置为将光从光源分离成多种不同颜色的光束; 多个反射型光阀装置,分别设置用于彩色光束; 多个偏振分束器,每个偏振分束器被配置为使由所述分色光学系统分离的所述彩色光束偏振并分离,然后使从所述反射型光阀装置入射的光偏振和分离; 以及光接收装置,其被设置用于一个或多个所述偏振分束器,并且被配置为从所述预定偏振分束器的与所述预定偏振分束器的预定颜色光束的所述第一面相反的面中检测从第二面发​​射的光, 介绍了分色光学系统。
    • 12. 发明申请
    • Drive apparatus for an extruder
    • 用于挤出机的驱动装置
    • US20070191169A1
    • 2007-08-16
    • US11704946
    • 2007-02-12
    • Yasufumi FujitaYukio FukuchiJunichi Iwai
    • Yasufumi FujitaYukio FukuchiJunichi Iwai
    • F16H37/02
    • F16H3/725B29C47/0009B29C47/0801
    • A drive apparatus for an extruder includes a speed reduction mechanism unit and an output distributing mechanism unit separated from each other. The speed reduction mechanism unit is a planetary gear speed reduction mechanism including a hollow gear connected in mesh with a main input shaft through a plurality of gears giving a selectively variable speed change ratio and located on the outer periphery, a supporting shaft of a sun gear which constitutes an auxiliary input shaft, and a planetary frame of planetary gears which constitutes an output shaft, wherein the speed reduction mechanism unit and the output distributing mechanism unit are connected to each other by only an output shaft joint, and the main motor or auxiliary motor is selected by a switching lever to widen the running range of the motors.
    • 用于挤出机的驱动装置包括彼此分离的减速机构单元和输出分配机构单元。 减速机构单元是行星齿轮减速机构,其包括中空齿轮,该中空齿轮通过多个齿轮与主输入轴啮合,所述多个齿轮提供选择性变速变速比并位于外周,太阳齿轮的支撑轴 构成辅助输入轴,构成输出轴的行星齿轮行星架,其中减速机构单元和输出分配机构单元仅通过输出轴接头彼此连接,主电动机或辅助 电机由切换杆选择,以扩大电机的运行范围。
    • 14. 发明授权
    • Projector apparatus
    • 投影仪
    • US6089717A
    • 2000-07-18
    • US922034
    • 1997-09-02
    • Junichi Iwai
    • Junichi Iwai
    • G02B26/08G02B27/18G03B21/00G03B33/12G09F9/00H04N5/74H04N9/31G03B21/26
    • H04N9/3105
    • A small-sized and light-weight projector apparatus capable of projecting images of high picture quality. A color separation/synthesis section of a projector apparatus includes a glass block body composed of a plurality of glass blocks combined together in such a manner that the corresponding sides are in close contact with each other; and a plurality of dielectric multilayer films for separating corresponding component rays of white light included in incident light and for synthesizing emitted rays from a plurality of corresponding spatial modulators. Shapes of individual glass blocks are respectively chosen in so that unnecessary rays generated by the reflection or transmission of reflected rays from respective spatial modulators at the corresponding dielectric multilayer films to be transmitted through or reflected from do not travel toward the reflective surface of any of spatial modulators and moreover after the reflection or transmission at the corresponding dielectric multilayer film, the unnecessary rays first enter the surface of the glass block with an incidence less than 30.
    • 能够投影高图像质量的图像的小尺寸且重量轻的投影仪装置。 投影仪装置的分色/合成部分包括:玻璃块体,其组合在一起,使得相应的侧面彼此紧密接触; 以及用于分离入射光中包含的白光的相应分量光并用于合成来自多个相应的空间调制器的发射光的多个电介质多层膜。 分别选择单个玻璃块的形状,使得通过反射或透射来自相应电介质多层膜的相应空间调制器的反射或透射而产生的不必要的光线将被透过或反射从而不向任何空间的反射表面行进 此外,在相应的电介质多层膜反射或透射之后,不必要的光线首先以小于30的入射入玻璃块的表面。
    • 20. 发明授权
    • Projector and phase difference plate and method of arranging phase difference plate
    • 投影仪和相位差板及相位差板的安排方法
    • US07199849B2
    • 2007-04-03
    • US10497760
    • 2003-10-06
    • Junichi IwaiHideki Yamamoto
    • Junichi IwaiHideki Yamamoto
    • G02F1/1335
    • H04N9/3105G02B5/3025G02B5/3083G02B27/283G02F2001/133638
    • Provided are a projector capable of correcting a polarization state properly and improving image quality, a retardation plate being used in a projector or the like and being capable of correcting a polarization state properly, and a method of placing a retardation plate. A quarter-wave plate (22) is placed between a reflective spatial light modulator (21) and a PBS (20). The quarter-wave plate (22) includes a combination of a first retardation plate (41) and a second retardation plate (42) each producing a different phase difference. The phase differences produced by two retardation plates (41), (42) are set to be suitable amounts of phase difference according to a position state, so in spite of the fact that the quarter-wave plate (22) including the combination of two retardation plates, the quarter-wave plate (22) can correct the polarization state properly with performance equal to or higher than that in the case where the quarter-wave plate includes a single plate.
    • 提供了能够正确地校正偏振状态并提高图像质量的投影仪,在投影仪等中使用的能够正确地校正偏振状态的延迟板以及放置相位差板的方法。 四分之一波片(22)被放置在反射空间光调制器(21)和PBS(20)之间。 四分之一波片(22)包括各自产生不同相位差的第一延迟板(41)和第二延迟板(42)的组合。 由两个延迟板(41),(42)产生的相位差根据位置状态设定为适当的相位差量,所以尽管四分之一波片(22)包括两个 延迟板,四分之一波片(22)可以正确地校正偏振态,其性能等于或高于四分之一波片包括单个板的情况下的性能。