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    Wearable device location systems architecture
    11.
    发明授权
    Wearable device location systems architecture 有权

    公开(公告)号：US11039394B2

    公开(公告)日：2021-06-15

    申请号：US16778265

    申请日：2020-01-31

    Applicant: Snap Inc.

    Inventor： Yu Jiang Tham ,  John James Robertson ,  Gerald Nilles ,  Jason Heger ,  Praveen Babu Vadivelu

    IPC: H04W24/00 ,  H04W52/02 ,  H04B1/3827 ,  G01S5/00 ,  H04W4/029

    Abstract: Systems, methods, devices, computer readable media, and other various embodiments are described for location management processes in wearable electronic devices. Performance of such devices is improved with reduced time to first fix of location operations in conjunction with low-power operations. In one embodiment, low-power circuitry manages high-speed circuitry and location circuitry to provide location assistance data from the high-speed circuitry to the low-power circuitry automatically on initiation of location fix operations as the high-speed circuitry and location circuitry are booted from low-power states. In some embodiments, the high-speed circuitry is returned to a low-power state prior to completion of a location fix and after capture of content associated with initiation of the location fix. In some embodiments, high-speed circuitry is booted after completion of a location fix to update location data associated with content.

    Eyewear surface temperature evaluation
    12.
    发明授权
    Eyewear surface temperature evaluation 有权

    公开(公告)号：US12228457B2

    公开(公告)日：2025-02-18

    申请号：US17740904

    申请日：2022-05-10

    Applicant: Snap Inc.

    Inventor： Andrea Ashwood ,  Mingyang Chai ,  Gerald Nilles ,  John James Robertson ,  Mehmood Zafarullahkhan

    IPC: G01K1/20 ,  G02B27/01 ,  G02C11/00

    Abstract: A method and apparatus for monitoring a surface temperature of eyewear proximate a processor to understand the surface temperature as a function of computer instructions, such as when the computer instructions are modified during software design. A sensor is coupled to the eyewear proximate the processor, such as at a temple of the eyewear including the processor, using one or more layers of tape. A server provides instructions to the processor for execution, such as instructions of an application, which instructions vary the utilization of the processor. A testing device, such as a digital multi-meter, is coupled to the sensor, as well as the server, and displays the surface temperature as a function of the processor utilization. The surface temperature of the eyewear is monitored to ensure the surface temperature does not exceed a temperature threshold.

    Wearable device location systems
    17.
    发明授权
    Wearable device location systems 有权

    公开(公告)号：US11785549B2

    公开(公告)日：2023-10-10

    申请号：US17456284

    申请日：2021-11-23

    Applicant: Snap Inc.

    Inventor： Yu Jiang Tham ,  John James Robertson ,  Gerald Nilles ,  Jason Heger ,  Praveen Babu Vadivelu

    IPC: H04W52/02 ,  H04B1/3827 ,  G01S5/00 ,  H04W4/029

    CPC classification number: H04W52/0261 ,  G01S5/019 ,  H04B1/385 ,  H04B2001/3866 ,  H04W4/029

    Abstract: Systems, methods, devices, computer readable media, and other various embodiments are described for location management processes in wearable electronic devices. Performance of such devices is improved with reduced time to first fix of location operations in conjunction with low-power operations. In one embodiment, low-power circuitry manages high-speed circuitry and location circuitry to provide location assistance data from the high-speed circuitry to the low-power circuitry automatically on initiation of location fix operations as the high-speed circuitry and location circuitry are booted from low-power states. In some embodiments, the high-speed circuitry is returned to a low-power state prior to completion of a location fix and after capture of content associated with initiation of the location fix. In some embodiments, high-speed circuitry is booted after completion of a location fix to update location data associated with content.

    REDUCING STARTUP TIME OF AUGMENTED REALITY EXPERIENCE
    18.
    发明申请
    REDUCING STARTUP TIME OF AUGMENTED REALITY EXPERIENCE 有权

    公开(公告)号：US20220365592A1

    公开(公告)日：2022-11-17

    申请号：US17743194

    申请日：2022-05-12

    Applicant: Snap Inc.

    Inventor： Jeroen Diederik Hol ,  Matthias Kalkgruber ,  Erick Mendez Mendez ,  Niall Murphy ,  Gerald Nilles ,  Mathieu Emmanuel Vignau

    IPC: G06F3/01 ,  G06T7/20 ,  G06F3/14 ,  G01C21/16 ,  G02B27/01

    Abstract: A method for improving the startup time of a six-degrees of freedom tracking system is described. An augmented reality system receives a device initialization request and activates a first set of sensors in response to the device initialization request. The augmented reality system receives first tracking data from the first set of sensors. The augmented reality system receives an augmented reality experience request and in response to the augmented reality request, causes display of a set of augmented reality content items based on the first tracking data and simultaneously activates a second set of sensors. The augmented reality system receives second tracking data from the activated second set of sensors. The augmented reality system updates the display of the set of augmented reality content items based on the second tracking data.

    THERMAL ARCHITECTURE FOR SMART GLASSES
    19.
    发明申请
    THERMAL ARCHITECTURE FOR SMART GLASSES 有权

    公开(公告)号：US20220357577A1

    公开(公告)日：2022-11-10

    申请号：US17737241

    申请日：2022-05-05

    Applicant: Snap Inc.

    Inventor： Andrea Ashwood ,  Gerald Nilles ,  Patrick Timothy McSweeney Simons ,  Stephen Andrew Steger ,  Choonshin You

    IPC: G02B27/01

    Abstract: A method of dissipating heat generated by imaging devices and processing devices of a wearable electronic eyewear device includes providing a first heat sink thermally connecting the imaging devices to a frame of the eyewear device to sink heat to the frame and providing a second heat sink thermally connecting the processing devices to respective temples of the eyewear device to sink heat to the respective temples. The first and second heat sinks are thermally insulated from each other to direct the heat to different portions of the eyewear device. The processing devices may include a first co-processor disposed in a first temple connected to a first end of the frame and a second co-processor disposed in a second temple connected to a second end of the frame. The resulting eyewear device spreads the heat from heat generating devices over a larger area to minimize overall heating.

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