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    Wearable satellite receiver with reduced power consumption
    91.
    发明授权
    Wearable satellite receiver with reduced power consumption 有权

    公开(公告)号：US12177561B2

    公开(公告)日：2024-12-24

    申请号：US18453591

    申请日：2023-08-22

    Applicant: Snap Inc.

    Inventor： Zhibin Zhang ,  Russell Douglas Patton ,  Peter Brook ,  Dunxu Hu

    IPC: H04N5/335 ,  G06F1/16 ,  G06F1/3287 ,  H04N5/76 ,  H04N23/60 ,  H04N23/65 ,  H04W4/02 ,  H04W52/02 ,  H04W4/029

    Abstract: Systems and methods for determining a location of a wearable electronic device are disclosed. In some aspects, the device includes a position acquisition device and an accelerometer. A hardware processor included in the device may be configured to generally maintain the position acquisition device in a low power state to save power. When a video or image is captured, it may tag the video or image with first location information. Given the inoperative position acquisition device, a current location may not be known. In some aspects, in response to a need for location information, measurements from an accelerometer may be stored. The position acquisition device may also be transitioned to an operative state, and after some time delay, a second location determined. In some aspects, the location of the capture may then be obtained based on the acceleration measurements and the second location.

    Eyewear with blood sugar detection
    92.
    发明授权
    Eyewear with blood sugar detection 有权

    公开(公告)号：US12144616B2

    公开(公告)日：2024-11-19

    申请号：US18201008

    申请日：2023-05-23

    Applicant: Snap Inc.

    Inventor： Venu Iyengar ,  Russell Douglas Patton

    IPC: A61B5/145 ,  A61B5/00 ,  A61B5/16 ,  G02C1/08

    Abstract: An eyewear device, method for use with an eyewear device, and a non-transient computer readable medium for detecting blood sugar levels are disclosed. The eyewear device has a frame including a first rim configured to support a first lens, a second rim configured to support a second lens, and a bridge connecting the first rim to the second rim. The bridge is configured to receive a nose of a user when the eyewear device is worn by the user. Blood sugar levels are detected by monitoring behavior of a pupil of an eye of the user with a sensor, comparing the monitored behavior with known blood sugar level behaviors, identifying a match responsive to the comparison between the monitored behavior and one of the known blood sugar level behaviors corresponding to a particular blood sugar level, and selecting the particular blood sugar level as a blood sugar level of the user.

    Systems and methods for DSP fast boot
    95.
    发明授权
    Systems and methods for DSP fast boot 有权

    公开(公告)号：US12022184B2

    公开(公告)日：2024-06-25

    申请号：US18119142

    申请日：2023-03-08

    Applicant: Snap Inc.

    Inventor： Peter Brook ,  Russell Douglas Patton ,  Jonathan M Rodriguez, II

    IPC: H04N23/617 ,  H04N23/65 ,  H04N23/71 ,  H04N23/73

    CPC classification number: H04N23/617 ,  H04N23/65 ,  H04N23/71 ,  H04N23/73

    Abstract: System, methods, devices, and instructions are described for fast boot of a processor as part of camera operation. In some embodiments, in response to a camera input, a digital signal processor (DSP) of a device is booted using a first set of instructions. Capture of image sensor data is initiated using the first set of instructions at the DSP. The DSP then receives a second set of instructions and the DSP is programmed using the second set of instructions after at least a first frame of the image sensor data is stored in a memory of the device. The first frame of the image sensor data is processed using the DSP as programmed by the second set of instructions. In some embodiments, the first set of instructions includes only instructions for setting camera sensor values, and the second set of instructions includes instructions for processing raw sensor data into formatted image files.

    CHARGING CABLE PORT DETECTION AND CURRENT ENFORCEMENT
    99.
    发明公开
    CHARGING CABLE PORT DETECTION AND CURRENT ENFORCEMENT 审中-公开

    公开(公告)号：US20230268748A1

    公开(公告)日：2023-08-24

    申请号：US18142326

    申请日：2023-05-02

    Applicant: Snap Inc.

    Inventor： Shaheen Moubedi ,  Russell Douglas Patton

    IPC: H02J7/00

    CPC classification number: H02J7/00304 ,  H02J7/0042 ,  H02J7/007 ,  H01R2103/00

    Abstract: A charging cable configured to obtain power from different power supply devices for delivery to a chargeable electronic device, and to techniques and equipment to enable the charging cable to identify current limitation of the connected power supply device and to enforce that current limit via the charging cable. The charging cable has a logic circuit coupled to signal pins to detect a signal indicating a power limitation of the power supply device. The logic circuit controls a current limiter connected in the power delivery bus of the charging cable to limit current flowing through the charging cable.

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