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SYSTEMS, DEVICES, AND METHODS THAT INTEGRATE EYE TRACKING AND SCANNING LASER PROJECTION IN WEARABLE HEADS-UP DISPLAYS
SYSTEMS, DEVICES, AND METHODS THAT INTEGRATE EYE TRACKING AND SCANNING LASER PROJECTION IN WEARABLE HEADS-UP DISPLAYS
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机译:在可佩戴的平视显示器中整合眼动追踪和激光投射的系统,设备和方法
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摘要
Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“SLP”)-based wearable heads-up displays are described. At least one narrow waveband laser diode is used in an SLP to define one or more portion(s) of a visible image. At least one corresponding narrow waveband photodetector is aligned to detect reflections of the portion(s) of the image from features of the eye. A holographic optical element (“HOE”) may be used to combine the image and environmental light into the user's “field of view.” Three narrow waveband photodetectors each responsive to a respective one of three narrow wavebands output by the RGB laser diodes of an RGB SLP are aligned to detect reflections of a projected RGB image from features of the eye.
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