Head mountable device for measuring eye movement
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United States of America Patent
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-
Feb 21, 2017
Grant Date -
Mar 24, 2016
app pub date -
Sep 25, 2014
filing date -
Sep 23, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A head mountable device for measuring eye movement includes: a frame; a camera system comprising a first camera, wherein the camera system is coupled to the frame, and is configured to obtain a first set of images of a first eye of a user; and a first liquid crystal display (LCD) shutter configured to control passage of light to the first eye based at least in part on a first control signal, the first LCD shutter is configured to operate in a first primary mode and a first secondary mode, wherein the first LCD shutter is configured to allow less light to reach the first eye in the first secondary mode than in the first primary mode.
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Family
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