Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Milan Momcilo Popovich0
Alastair John Grant0
Jonathan David Waldern0
Date of Patent
February 19, 2019
0Patent Application Number
149032490
Date Filed
May 19, 2014
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An eye tracker having a first waveguide for propagating illumination light along a first waveguide path and propagating image light reflected from at least one surface of an eye along a second waveguide path. At least one grating lamina for deflecting the illumination light out of the first waveguide path towards the eye and deflecting the image light into the second waveguide path towards a detector is disposed adjacent an optical surface of the waveguide.
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