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    • 27. 发明授权
    • Modular video display system
    • US5746599A
    • 1998-05-05
    • US407138
    • 1995-03-20
    • Robert J. Lechner
    • Robert J. Lechner
    • G06T3/40G09B9/30G09B9/32G09B9/36G09B9/56G09B9/08G09B19/16
    • G09B9/302G06T3/403G09B9/32G09B9/326G09B9/36G09B9/56
    • A visual display system, such as a flight simulation system, includes a number of display screens and a number of associated video projectors which project predetermined video images on the display screens in response to control signals provided by an operator. In one embodiment, the display screens are circumscribed by an imaginary sphere having a predetermined radius and centered about the design eye of the visual display system. The design eye is generally positioned in a predetermined fixed relation to the operator such that the distortion of the displayed video image is reduced. In another embodiment, the video projectors are mounted in a linear side-by-side relationship on a rear side of the display screens, thereby reducing the overall size of the visual display system. The visual display system also includes image redirection means, such as fold mirrors, to redirect the video images projected by the aligned video projectors so as to provide the video images to the respective display screens in a direction perpendicular to the planar surface of each display screen. In addition, adjacent display screens can be attached by a pair of rearwardly extending tabs which are positioned so as to not mask the projected video images. At least one of the pair of tabs is opaque such that the projected video images will not pass between the adjacent display screens. Thus, at least the portion of the video image displayed along the edges of the adjacent display screens is clarified.
    • 28. 发明授权
    • Night vision goggle simulator
    • 夜视镜模拟器
    • US5413483A
    • 1995-05-09
    • US246580
    • 1994-05-20
    • Frank A. Witt, III
    • Frank A. Witt, III
    • G02B23/12G02B27/02G09B9/36F41A33/00
    • G02B27/026G09B9/36G02B23/12
    • An imaging apparatus for permitting night vision training by simulating night vision viewing during daylight operation. A cylindrical imaging device includes an objective lens and an ocular lens. Light from the objective lens passes through a filter and is inverter by a fiber optic inverter. A pair of liquid crystals receive the inverted image and pass the same to the ocular lens for viewing by the user. A plurality of lamps are positioned for impinging light on the second liquid crystal under electronic control. The pair of liquid crystals are controlled electronically for simulating night vision photomultiplier viewing. A pair of such imaging tubes are mounted in a training helmet together with under-goggle viewing areas and peripheral viewing areas in which liquid crystals are separately placed and are separately controllable in accordance with sensed light levels. An instructor pilot uses a microprocessor based controller for controlling each of the six liquid crystals.
    • 一种用于在日光操作期间模拟夜视观察的夜视训练的成像装置。 圆柱形成像装置包括物镜和眼镜。 来自物镜的光通过滤光片并由光纤逆变器逆变。 一对液晶接收反转的图像并将其传递到眼睛透镜以供用户观看。 多个灯被定位成在电子控制下将光照射在第二液晶上。 电子控制一对液晶以模拟夜视光电倍增管观察。 一对这样的成像管与下眼镜观察区域和周边观察区域一起安装在训练头盔中,其中液晶分开放置,并且根据感测的光水平可分开控制。 教练飞行员使用基于微处理器的控制器来控制六个液晶中的每一个。
    • 29. 发明授权
    • Special effect generator for a simulator visual system
    • 用于模拟视觉系统的特殊效应发生器
    • US3826864A
    • 1974-07-30
    • US35108673
    • 1973-04-13
    • SINGER CO
    • PAUFVE E
    • G09B9/30G09B9/36G09B9/08H04N7/18
    • G09B9/302G09B9/36
    • A system for generating sky, horizon scenes and scenes simulating low visibility in a flight simulator visual system using a television display is shown. Aircraft attitude information is used in a horizon generator to locate the horizon on a line-to-line basis. The information from the horizon generator is modified by functions of visibility range, altitude, time of day and location above or below clouds to develop the proper scenes, such as white for sky below clouds, white for clouds, the blue for sky above clouds and to switch between these synthetically generated scenes and a terrain scene provided by a camera model system or other image generator.
    • 示出了使用电视显示器在飞行模拟器视觉系统中产生天空,水平场景和模拟低可见度的场景的系统。 飞机姿态信息用于水平发生器,以线对齐的方式定位地平线。 地平线生成器的信息由可见度范围,高度,时间和云点上方或下方的位置的功能进行修改,以开发适当的场景,例如云下的天空白色,云层白色,云层上方的蓝色, 在这些合成生成的场景与相机模型系统或其他图像生成器提供的地形场景之间切换。