HMD APPARATUS WITH ADJUSTABLE EYE TRACKING DEVICE
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United States of America Patent
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app pub date -
Nov 30, 2016
filing date -
Jul 3, 2013
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Abandoned
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Abstract
Provided is a head-mounted display apparatus that includes an imaging optical system and a camera holder. The imaging optical system includes a display unit, an eye camera, and a control device. The display unit is to be viewed by an eye of a user, and the control device is to acquire a viewing direction of the eye within a field of view of the display unit using eye camera, wherein the field of view has a viewing central axis. The camera holder is to receive the eye camera, wherein the camera holder is selectively adjustable in relationship to the display unit to align the eye camera to the eye of the user in terms of a peripheral angle (δ) around a viewing central axis and in terms of a setting angle (α) with respect to the viewing central axis.
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