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    • 72. 发明授权
    • Compensated color management systems and methods
    • 补偿色彩管理系统和方法
    • US06961181B2
    • 2005-11-01
    • US10839479
    • 2004-05-05
    • Jianmin ChenMichael G. RobinsonJonathan R. BirgeGary D. Sharp
    • Jianmin ChenMichael G. RobinsonJonathan R. BirgeGary D. Sharp
    • G02B27/28G03B21/14
    • G02B27/288Y10S359/90
    • Beamsplitters are frequently used in projectors based on reflective liquid crystal display for separating input and output light, and more recently for color management systems. Rather stack filters are used in such systems to orthogonally polarize primary colors, converting polarizing beamsplitters to color splitters and combiners. Geometric polarization rotations induced by beamsplitters at moderate f-numbers have the effect of significantly degrading performance. Because retarder stacks in general rely on a specific input polarization to perform properly, such skew rays are responsible for color cross-talk. Retarder stacks designed according to the present invention are sensitive to the symmetries that exist between input and output polarizer configurations. These stacks provide the polarization transformations that will compensate for skew rays, such that normal incidence performance is maintained for all incident light.
    • 分束器经常用于基于用于分离输入和输出光的反射液晶显示器的投影仪中,并且最近用于颜色管理系统。 在这种系统中使用堆叠滤波器来使原色正交极化,将偏振分束器转换成分色器和组合器。 分光镜在中等f数下引起的几何偏振旋转具有显着降低性能的作用。 因为延迟器堆叠通常依赖于特定的输入极化来正常地执行,所以这种偏斜光线负责颜色串扰。 根据本发明设计的延迟器堆对存在于输入和输出偏振器配置之间的对称性敏感。 这些堆叠提供将补偿偏斜光线的偏振变换,使得对于所有入射光保持正常的入射性能。
    • 73. 发明授权
    • Compensated color management systems and methods
    • 补偿色彩管理系统和方法
    • US06961179B2
    • 2005-11-01
    • US10294426
    • 2002-11-14
    • Jianmin ChenMichael G. RobinsonGary D. SharpJonathan R. Birge
    • Jianmin ChenMichael G. RobinsonGary D. SharpJonathan R. Birge
    • G02B5/30G02B27/28G02F1/13G03B21/14H04N9/31G02B27/10
    • H04N9/3105G02B27/283G02B27/288
    • Disclosed are color management architectures used in video projection systems including, for example, retarder stacks sensitive to the symmetries between input and output polarizer configurations that provide the polarization transformations that will comprise for skew rays, such that normal incidence performance is maintained for all incident light. Additionally, also disclosed are systems that utilize color selective polarization (CSP) filters and polarizing beam splitting elements such that an output analyzer is not required. One exemplary CSP architecture includes two CSPs, a single polarizing beam splitting element combination for splitting and combining light between two of the three panels, and an output polarizing beam splitting element used as an analyzer such that a single CSP is in the projection path. In all such architectures, an output CSP and clean up polarizer directly in line with the projection optics need not be included, thereby increasing transmission, improving imaging crispness, and reducing cost.
    • 公开了用于视频投影系统中的颜色管理架构,包括例如对输入和输出偏振器配置之间的对称性敏感的延迟器堆叠,其提供将包括用于偏斜光线的偏振变换,从而保持所有入射光的法向入射性能 。 此外,还公开了利用彩色选择偏振(CSP)滤光器和偏振光束分离元件的系统,使得不需要输出分析器。 一个示例性CSP架构包括两个CSP,用于在三个面板中的两个之间分离和组合光的单个偏振分束元件组合,以及用作分析器的输出偏振分束元件,使得单个CSP处于投影路径中。 在所有这样的结构中,不需要包括直接与投影光学器件一致的输出CSP和清除偏振器,从而增加透射率,改善成像脆度并降低成本。
    • 76. 发明授权
    • Rotary-sprinkling shower
    • 旋转淋浴
    • US08418935B2
    • 2013-04-16
    • US13128115
    • 2010-01-14
    • Jianmin ChenRenzhong Li
    • Jianmin ChenRenzhong Li
    • B05B3/04B05B1/18
    • B05B3/0427B05B1/18B05B3/049B05B15/654
    • Rotary-sprinkling shower comprises: a body which has a water inlet end and a water outlet end forming a waterway there-between; a front cover component rotatably disposed on the water outlet end of the body, equipped with water spray nozzles in communication with the waterway; a hydraulic driving unit disposed in the waterway, while connected with the front cover component by a rotating shaft; the hydraulic driving unit is driven by the water flow in the waterway to drive the front cover component to rotate. The invention drives the whole front cover to rotate by water flow, achieves the rotary sprinkling water; every water spray nozzle on the front cover rotates around the center of the whole front cover instead of its self-center, therefore, the rotation scope of the water flow is relatively larger.
    • 旋转喷淋器包括:具有进水端和形成水路的出水端的主体; 可旋转地设置在主体的出水端的前盖部件,其配备有与水路连通的喷水嘴; 设置在水路中的液压驱动单元,通过旋转轴与前盖部件连接; 液压驱动单元由水路中的水流驱动,以驱动前盖部件旋转。 本发明驱动整个前盖通过水流旋转,实现旋转洒水; 前盖上的每个喷水喷头都围绕整个前盖的中心旋转,而不是自身中心,因此水流的旋转范围相对较大。