Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Behnam Bastani0
Mohsen Shahmohammadi0
Date of Patent
February 23, 2021
0Patent Application Number
162935580
Date Filed
March 5, 2019
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A near-eye-display (NED) includes a tracking system and a waveguide assembly. The waveguide assembly includes an infrared (IR) light source and an output waveguide. The output waveguide includes at least a decoupling element that outcouples the IR light emitted by the IR light source to form the structured light pattern. The structured light pattern is projected toward one or more regions of a user's face, for example, the user's eyes. The structured light pattern is reflected off the one or more regions of the user's face and captured by the tracking system. The tracking system can determine tracking information such as eye tracking information as well as face tracking information based on the captured reflected structured light pattern.
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