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    • 3. 发明授权
    • Color wheel synchronization in multi-frame-rate display systems
    • 多帧率显示系统中的色轮同步
    • US06828961B2
    • 2004-12-07
    • US09750829
    • 2000-12-28
    • Keith H. ElliottKazuhiro OharaWilliam B. WernerAdam J. Kunzman
    • Keith H. ElliottKazuhiro OharaWilliam B. WernerAdam J. Kunzman
    • G09G500
    • G03B21/20G03B33/08H04N9/3114H04N9/3179
    • A display system (200) in which light from source (202) is focused onto a spinning color wheel (204). The spinning color wheel (204) spins at a constant rate and creates of beam of light that changes from one primary color to the next in rapid sequence. The primary colored beam of light impinges a spatial light modulator (206), which is often a DMD or LCD. A controller (208) receives an input video signal and determines the native frame rate of the image source. The controller (208) sends image data to the spatial light modulator (206) in synchronization with the color wheel (204)—image data representing the red portions of the image is sent during the period in which the red color filter is passing through the beam of light—at the native frame rate of the image source. The modulated light is focused onto an image plane (210) by projection lens (212) to form an image. The eye of the viewer integrates the sequential primary color images giving the perception of a single full-color image. The display system uses a single nominal color wheel speed to display input signals having various native frame rates. The nominal color wheel speed is selected to allow the same color wheel rate to be used for a variety of native frame rates. The color wheel speed is selected to provide a sub-frame rate that is an integer multiple the native frame rate of each potential input format.
    • 一种显示系统(200),其中来自源(202)的光聚焦到旋转色轮(204)上。 旋转色轮(204)以恒定速率旋转,并产生以快速顺序从一个原色变化到另一个原色的光束。 原色光束照射空间光调制器(206),其通常是DMD或LCD。 控制器(208)接收输入视频信号并确定图像源的原始帧速率。 控制器(208)与色轮(204)同步地将图像数据发送到空间光调制器(206),在红色滤色器通过的情况下,发送表示图像的红色部分的图像数据 光束 - 以图像源的原始帧速率。 调制光通过投影透镜(212)聚焦在图像平面(210)上以形成图像。 观看者的眼睛整合了顺序的主要彩色图像,给出了单个全色图像的感知。 显示系统使用单个标称色轮速度来显示具有各种本机帧速率的输入信号。 选择标称色轮速度以允许相同的色轮速率用于各种本机帧速率。 选择色轮速度以提供作为每个潜在输入格式的本机帧速率的整数倍的子帧速率。
    • 5. 发明授权
    • Optical architectures for combining multiple lamps in light valve projectors
    • 用于在光阀投影机中组合多个灯的光学架构
    • US06545814B2
    • 2003-04-08
    • US09750627
    • 2000-12-28
    • Terry A. BartlettKeith H. ElliottD. J. Segler
    • Terry A. BartlettKeith H. ElliottD. J. Segler
    • G02B2714
    • G02B27/143
    • An integrating rod (100) for combining light beams from two or more sources. A first light beam (104) enters the integrating rod 100 through a first entrance face (102) to a first reflecting face (110). The light is reflected by the first reflecting face (110) and travels along the major axis (114) of the integrating rod (100) to an exit face (116). A second light beam (108) from a second light source enters the integrating rod (100) through a second entrance face (106). The second light beam may be reflected by a second reflecting face (112) and travels along the major axis (114) to the exit face (116). The two light beams experience multiple reflections as they travel along the integrating rod and leave the integrating rod (100) through the exit face (116) as a single homogenous light beam.
    • 一种用于组合来自两个或更多个光源的光束的积分杆(100)。 第一光束(104)通过第一入射面(102)进入整体杆100到第一反射面(110)。 光被第一反射面(110)反射并沿着积分杆(100)的长轴(114)移动到出射面(116)。 来自第二光源的第二光束(108)通过第二入射面(106)进入积分杆(100)。 第二光束可以被第二反射面(112)反射并且沿着长轴线(114)行进到出射面(116)。 两个光束沿着积分杆行进时经历多次反射,并且通过出射面(116)离开积分杆(100)作为单个均质光束。