Advanced Helmet Tracker Using Lateral Photodetection and Light-Emitting Diodes.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent relates to a means for sensing the pilots line-of-sight in an aircraft, including two light detectors mounted on the cockpit frame and two light emitters mounted on the pilots helmet. Each detector senses light from each emitter and the line-of-sight is determined from the intersection of the thus defined planes.
- Human Factors Engineering and Man Machine Systems