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    • 3. 发明专利
    • Head-up display with brightness control
    • 具有亮度控制的头部显示
    • JP2009199082A
    • 2009-09-03
    • JP2009035224
    • 2009-02-18
    • Saab Abサーブ アー・ベー
    • SCHOEN PETER
    • G02B27/01B60K35/00G02F1/13
    • G02B27/01G02B2027/0118G02B2027/014G02B2027/0141
    • PROBLEM TO BE SOLVED: To provide a head-up display system having a means for providing good contrast between generated symbols and the background terrain intensity and color.
      SOLUTION: The head-up display system suitable for an aircraft comprises an image source arranged outside a desired field of view of an observer, and intensity of symbols of the image source are modulated to be different depending on their perceived positions relative to a horizon line. A light source is arranged for providing light to the image source which is arranged to modulate light of the light source thereby creating an image for the head-up display. A brightness control unit has inputs for a vehicle pitch angle and roll angle, and a means for calculating, based on the pitch and roll angles, a current position in an image of a virtual horizon line, corresponding to a real horizon line as perceived by the observer, and for controlling the brightness of the symbols above the virtual horizon line to be different from the brightness of the symbols below the virtual horizon line.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种平视显示系统,其具有用于在生成的符号和背景地形强度和颜色之间提供良好对比度的装置。 解决方案:适用于飞行器的平视显示系统包括布置在观察者的期望视野之外的图像源,并且根据其相对于视觉感测位置的感知位置将图像源的符号强度调制为不同 地平线。 布置光源以向图像源提供光,该光源被布置成调制光源的光,从而产生用于平视显示的图像。 亮度控制单元具有用于车辆俯仰角和侧倾角的输入,以及用于基于俯仰角和滚动角来计算虚拟水平线的图像中的当前位置的装置,对应于由 观察者,并且用于控制虚拟水平线上方的符号的亮度与虚拟水平线下面的符号的亮度不同。 版权所有(C)2009,JPO&INPIT