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    • 4. 发明授权
    • Inter-device location determinations
    • 设备间位置确定
    • US08634848B1
    • 2014-01-21
    • US12893930
    • 2010-09-29
    • Bradley J. BozarthIsaac S. NobleMingjing Huang
    • Bradley J. BozarthIsaac S. NobleMingjing Huang
    • H04W24/00
    • G01S5/0284H04W4/026H04W64/00
    • Electronic devices can identify other nearby devices, and determine the relative positions of those devices, using a combination of techniques. Various devices are able to project one or more instances of a unique identifier, such as a barcode, which can be imaged by other devices. The devices also can communicate position and/or orientation information over a wireless sideband channel. By combining the information relating to the projected identifier with information collected over the sideband channel, devices can automatically determine the location of various devices and associate a user or device identity with those devices. A user of a device then can view relative locations of those devices on a display element, including information about the user of the device. Further, the relative position determinations can enable a user to perform certain functions with respect to another device based at least in part upon the position and/or identity of that device.
    • 电子设备可以识别其他附近的设备,并且使用技术的组合来确定这些设备的相对位置。 各种设备能够投射可由其他设备成像的唯一标识符(例如条形码)的一个或多个实例。 这些设备还可以通过无线边带信道来传送位置和/或取向信息。 通过将与投影标识相关的信息与通过边带通道收集的信息组合,设备可以自动确定各种设备的位置,并将用户或设备身份与这些设备相关联。 然后,设备的用户可以在显示元件上查看这些设备的相对位置,包括关于设备的用户的信息。 此外,相对位置确定可以使得用户能够至少部分地基于该设备的位置和/或身份来执行关于另一设备的某些功能。
    • 6. 发明授权
    • Secure device unlock with gaze calibration
    • 使用注视校准安全设备解锁
    • US08594374B1
    • 2013-11-26
    • US13076308
    • 2011-03-30
    • Bradley J. Bozarth
    • Bradley J. Bozarth
    • G06K9/00
    • G06F21/36G06K9/00604
    • An unlock procedure for an electronic device can be based at least in part upon a determined gaze direction or viewing location of a user. During a device unlock process, the user can be directed to follow an element or path on a display element with the user's eyes. Image information captured of the user during this process can be used to correlate the user's eye position in the image with the corresponding gaze location on the device, in order to calibrate the gaze tracking in a way that is substantially transparent to the user. Further, certain devices can also utilize captured image information during the unlock process to authenticate the user using a process such as iris recognition or retinal scanning. Such an approach enables secure access to the device without requiring the user to manually enter identifying information, and re-authentication can be performed without distracting the user.
    • 电子设备的解锁过程可以至少部分地基于用户的确定的注视方向或观看位置。 在设备解锁过程中,用户可以被引导以用户的眼睛跟随显示元件上的元素或路径。 在该过程期间捕获的用户的图像信息可以用于将用户的图像中的眼睛位置与设备上的相应凝视位置相关联,以便以对用户基本透明的方式校准注视跟踪。 此外,某些设备还可以在解锁过程期间利用捕获的图像信息来使用诸如虹膜识别或视网膜扫描之类的过程来验证用户。 这种方法使得能够安全地访问设备,而不需要用户手动输入识别信息,并且可以执行重新认证而不会分散用户的注意力。