Overview of HUD (Head-Up Display) Optical Designs,
AERONAUTICAL SYSTEMS DIV WRIGHT-PATTERSON AFB OH
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The Head-Up Display HUD and the new technologies being applied to it continue to receive great attention by people considering the functioning of fighter and attack aircraft cockpits. The subject has also received its fair share of attention over the last two years at NAECON as well. Berry and Byrd 1981 described the wide field of view FOV HUD being developed as part of the Low Altitude Navigation and Targeting Infrared for Night LANTIRN program. Gard 1982 gave a presentation which described the different roles of diffraction optics as used in HUDS and relatively new optical designs which achieve a wider FOV. This discussion summarizes the material covered by these two papers and serves to form a common basis of understanding of the various HUD technologies. The important features highlighted here figure prominently in the discussions which follow.