Patent 9094677 was granted and assigned to Google on July, 2015 by the United States Patent and Trademark Office.
A head mountable display that has an automatic positioning mechanism configured to move a display toward a user's resting line of sight when it detects the user is engaging the display. Engagement is detected by comparing the instantaneous eye orientation with the instantaneous display position to see if they are aligned. Upon detecting user engagement, the device may delay a predetermined amount of time prior to moving the display.