VISUAL LINE DETECTION DEVICE
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United States of America Patent
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app pub date -
Sep 3, 2013
filing date -
Jan 31, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to one embodiment, a visual line detection device comprises a lens, a frame holding the lens, a beam splitter transmitting light from a visual field in a direction of user's eyes while reflecting a part of the light from the visual field in a direction substantially parallel to a surface of the lens, and transmitting the light from the user's eyes in a direction of the visual field while reflecting the part of the light from the user's eyes in the direction substantially parallel to the surface of the lens, a first light taking module taking the light from the user's eyes reflected by the beam splitter, and a second light taking module taking the light from the visual field reflected by the beam splitter.
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