Instructive Writing Instrument
    1.
    发明申请

    公开(公告)号:US20180158348A1

    公开(公告)日:2018-06-07

    申请号:US15800006

    申请日:2017-10-31

    Applicant: Google LLC

    CPC classification number: G09B5/02 B43K29/004 B43K29/08 B43K29/10 G09B11/00

    Abstract: Systems and methods for providing instructional guidance relating to an instructive writing instrument are provided. For instance, a first visual contextual signal instructing a user to actuate an instructive writing instrument in a first direction can be provided based at least in part on a model object. The model object can correspond to an object to be rendered on a writing surface by a user using the instructive writing instrument. A first image depicting the writing surface can be obtained. First position data associated with the instructive writing instrument can be determined based at least in part on the first image. A second visual contextual signal instructing the user to actuate the instructive writing instrument in a second direction can be provided based at least in part on the model object and the first position data associated with the instructive writing instrument.

    SLIPPAGE RESISTANT GAZE TRACKING USER INTERFACES

    公开(公告)号:US20220397958A1

    公开(公告)日:2022-12-15

    申请号:US17756441

    申请日:2020-08-10

    Applicant: Google LLC

    Inventor: Eric Aboussouan

    Abstract: A slippage resistant user interface (UI) may account for movement due to slippage, remounting and the like, of a head mounted display (HMD) device in processing user eye gaze in puts. The slippage resistant UI may include a number of UI elements. Each UI element may have a unique pattern of movement defining a display trajectory for that UI element, providing for differentiation amongst the UI elements. A user gaze trajectory may be matched with one of the display trajectories of the UI elements, and the corresponding UI element may be identified as the target UI element, intended for selection by the user. An eye to screen recalibration of the HMD may be accomplished using translational, scaling, and rotational offsets between the gaze trajectory and the display trajectory of the target UI element.

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