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    • 3. 发明授权
    • Illumination optical system and liquid crystal projector apparatus using the same
    • 照明光学系统和使用其的液晶投影仪设备
    • US06219112B1
    • 2001-04-17
    • US09197673
    • 1998-11-23
    • Kazuya YoneyamaFumio Watanabe
    • Kazuya YoneyamaFumio Watanabe
    • G02F11335
    • G02B27/0927G02B27/0961G02B27/283H04N5/7441H04N9/3105H04N9/3141H04N9/3167
    • In an illumination optical system and a liquid crystal projector apparatus using the same, two lens arrays each comprising linear convex lens arrays with their pitches shifted from each other are used for improving image quality such as not to generate shadows of the cementing ridge of a cross dichroic prism, and a polarization-converting optical system is appropriately disposed, so as to obtain uniform illumination effects efficiently. The vertical angle ridge 71 of four prisms constituting the cross dichroic prism 70 is disposed so as to be orthogonal to the optical axis, the polarization-converting optical system 3 is disposed such that a plane including the vertical angle ridge 71 and optical axis and the direction along which stripes of half-wavelength phase films 32 extend are orthogonal to each other, and the direction of shifting the lens columns of a plurality of linear convex lens arrays constituting the first and second lens arrays 21 and 22 is orthogonal to the plane.
    • 在照明光学系统和使用该照明光学系统的液晶投影仪装置中,使用两个透镜阵列,每个透镜阵列都具有彼此间距偏移的线性凸透镜阵列,以提高图像质量,例如不产生交叉的固井脊的阴影 二向色棱镜和偏光转换光学系统被适当地设置,以便有效地获得均匀的照明效果。 构成十字分色棱镜70的四个棱镜的垂直角脊71配置成与光轴正交,偏光转换光学系统3被设置成使得包括垂直角脊71和光轴的平面和 半波长相位膜32的延伸方向彼此正交的方向,并且构成第一和第二透镜阵列21和22的多个线性凸透镜阵列的透镜列的移动方向与该平面正交。
    • 5. 发明授权
    • Imaging system using restoration processing, imaging apparatus, portable terminal apparatus, onboard apparatus and medical apparatus having the imaging system
    • 使用恢复处理的成像系统,成像装置,便携式终端装置,具有成像系统的车载装置和医疗装置
    • US08149287B2
    • 2012-04-03
    • US12270567
    • 2008-11-13
    • Kazuya Yoneyama
    • Kazuya Yoneyama
    • H04N5/228H04N5/225G02B13/16G01M11/00
    • H04N5/217H04N2005/2255
    • An imaging system is provided and includes an imaging lens and an imaging device such that the maximum diameter of an effective region of a point image becomes a size covering three or more pixels of light receiving pixels, the point image being projected onto a light receiving surface through the imaging lens from any position of X, Y, and Z directions. A signal processing unit in the imaging system executes restoration processing on first image data output from the imaging device that images an optical image of a subject projected onto the light receiving surface through the imaging lens, the restoration processing being executed to generate second image data equivalent to the first image data output from the imaging device when the resolving power of the imaging lens is higher.
    • 提供了一种成像系统,其包括成像透镜和成像装置,使得点图像的有效区域的最大直径成为覆盖光接收像素的三个或更多个像素的尺寸,点图像被投影到光接收表面 通过成像透镜从X,Y和Z方向的任何位置。 成像系统中的信号处理单元对从成像装置输出的第一图像数据执行恢复处理,该第一图像数据通过成像透镜对投影到光接收表面上的被摄体的光学图像进行成像,执行恢复处理以产生等效的第二图像数据 当成像透镜的分辨率较高时从成像装置输出的第一图像数据。
    • 7. 发明授权
    • Projection-type image display device
    • US06783249B2
    • 2004-08-31
    • US10722471
    • 2003-11-28
    • Kazuya Yoneyama
    • Kazuya Yoneyama
    • G03B2114
    • G03B21/28
    • A projection-type image display device includes a light source, converging optics, a rod integrator having a first optical axis, a light deflecting structure, and a light beam separating structure. The light beam separating structure directs light to a digital micromirror device and modulated light from the digital micromirror device along a second optical axis of a projection lens that projects an image formed by the modulated light on a screen. The rod integrator is between the light beam separating structure and the projection lens in the direction of the second optical axis and is outside the optical path of the modulated light beam from the digital micromirror device. The rod integrator may include a solid rod member and a leaky ray shielding member at least at one of the entrance end, the exit end, and around the solid rod member. The converging optics may include a parabolic reflector and an aspheric lens.
    • 9. 发明授权
    • Imaging system, imaging apparatus, portable terminal apparatus, onboard apparatus, and medical apparatus, and method of manufacturing the imaging system
    • 成像系统,成像装置,便携式终端装置,车载装置和医疗装置以及制造成像系统的方法
    • US08094207B2
    • 2012-01-10
    • US12270622
    • 2008-11-13
    • Kazuya Yoneyama
    • Kazuya Yoneyama
    • H04N5/235
    • H04N1/4092G06T5/003G06T5/20G06T2207/10068G06T2207/30024G06T2207/30252H04N5/217H04N2005/2255
    • An imaging system is provided and includes: an imaging lens; an imaging device; a coefficient storage section; and a signal processing section. When a maximum diameter of an effective region of a point image projected onto a light receiving surface of the imaging device through the imaging lens is a size covering three or more pixels, a restoration coefficient corresponding to a state of the point image expressed by first image data output from the imaging device is stored in the coefficient storage unit. The signal processing section executes restoration processing on the first image data output from the imaging device by utilizing the restoration coefficient stored in the coefficient storage unit, the restoration processing being executed to generate second image data equivalent to the first image data output from the imaging device when the resolving power of the imaging lens is higher.
    • 提供了一种成像系统,包括:成像透镜; 成像装置; 系数存储部; 和信号处理部。 当通过成像透镜投影到成像装置的受光面上的点图像的有效区域的最大直径为覆盖三个以上像素的尺寸时,与由第一图像表示的点图像的状态对应的恢复系数 从成像装置输出的数据被存储在系数存储单元中。 信号处理部分通过利用存储在系数存储单元中的恢复系数,对从成像装置输出的第一图像数据执行恢复处理,执行恢复处理以产生与从成像装置输出的第一图像数据相当的第二图像数据 当成像透镜的分辨率较高时。
    • 10. 发明授权
    • Polarized beam splitter and projection-type image display using it
    • 偏光分束器和投影式图像显示使用它
    • US06840624B2
    • 2005-01-11
    • US10626655
    • 2003-07-25
    • Kazuya YoneyamaKimiaki Nakazawa
    • Kazuya YoneyamaKimiaki Nakazawa
    • G02B5/04G02B5/30G02B27/28G03B21/00G03B21/14G03B21/28G03B27/28G03B5/30
    • G02B5/04
    • A polarized beam splitter includes an inclined intermediate layer between two glass prisms. The intermediate layer includes an adhesive layer and a polarized light separating membrane. The intermediate layer may be wedge-shaped in order to compensate for or to cancel astigmatism of light transmitted by the polarized beam splitter caused by the inclination of the intermediate layer. The polarized beam splitter may also be formed with the refractive indexes of the glass and the adhesive of the adhesive layer chosen to reduce astigmatism. Embodiments of three-color projection image display devices that use the polarized beam splitter are also disclosed. The three-color projection image display devices may use one or three polarized beam splitters with a Philips prism or use two polarized beam splitters with a COLORQUAD.
    • 偏振分束器包括两个玻璃棱镜之间的倾斜中间层。 中间层包括粘合剂层和偏振光分离膜。 中间层可以是楔形的,以便补偿或消除由中间层的倾斜引起的由偏振分束器传播的光的散光。 偏光分束器也可以形成玻璃的折射率和粘合剂层的粘合剂,以减少散光。 还公开了使用偏振分束器的三色投影图像显示装置的实施例。 三色投影图像显示装置可以使用具有Philips棱镜的一个或三个偏振分束器,或者使用具有COLORQUAD的两个偏振分束器。