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30 October 1992 Helmet-mounted display with multiple image sources
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A helmet display that has the ability to present imageiy from both NVGand FLIR sensors provides the best visual performance under a wide range of operating conditions from daylight to total darkness, because it combines the complementary advantages of the two different types of sensor. The pilot can select his sensor and operating mode to maintain imagery during natural conditions such as high humidity, thermal gradients or total darkness that would otherwise result in poor or unuseable display contrast. Design requirements for a multi image source helmet mounted display needed for this approach are severe, since aircrew expect no compromises in image quality or physiological protection, despite the extra hardware compared with a simpler HMD or NVG. The system advantages are significant however, and a new helmet display that presents both intensifier and CRT imagery is being designed for both fixed and rotary wing applications.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
George Carter Bull "Helmet-mounted display with multiple image sources", Proc. SPIE 1695, Helmet-Mounted Displays III, (30 October 1992);


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