EYE TRACKING VIA TRANSPARENT NEAR EYE LENS
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United States of America Patent
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Mar 24, 2017
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Mar 24, 2016
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Abstract
A head mounted device includes a transparent display, an infrared light source, and an infrared light receiver. The transparent display has a transparent waveguide and a first and second optical component connected to the transparent waveguide. The infrared light source generates an infrared light directed at the second optical component. The transparent waveguide receives the infrared light from the second optical component and transmits the infrared light to the first optical component. The first optical component directs the infrared light to an eye of a user of the head mounted device and receives a reflection of the infrared light off the eye of the user. The infrared light receiver receives the reflection of the infrared light via the second optical component and generates reflection data based on the received reflection of the infrared light. A position of the eye of the user is identified based on the reflection data.
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