BEAM WALKING DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE
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United States of America
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Mar 20, 2025
app pub date -
Sep 15, 2023
filing date -
Sep 15, 2023
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Abstract
An eye tracking system for a head-mounted device determines depth characteristics of an eye in an eyebox region. The eye tracking system includes a detector array, a scanning mirror, and a light source. The detector array is oriented on the head-mounted device to receive reflected light from an eyebox region of the head-mounted device. The scanning mirror is optically coupled between the eyebox region and the detector array. The scanning mirror is configured to rotate to direct the reflected light from a plurality of locations within the eyebox region to the detector array. The light source configured to provide pulses of light to illuminate at least part of the eyebox region.
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