Rotatable Head Up Display with Coordinate Reversal Correctives.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent describes a rotatable head up display system to furnish target coordinate information to the pilot of an aircraft, for example. The head up display may be slaved to a FLIR or TV tracker to display the scene viewed thereby as well as the azimuth with respect to the aircraft. A small cathode ray tube is used for the display and the scene is viewed through a holographic lens so that the display appears at infinity focus. The pilot is also provided with means for controlling the aiming of the sensor FLIR, TV, or the like. The invention relates to improved weapon sighting devices for use by helicopter aircraft pilots.
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