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    BIOMETRIC DETECTION USING PHOTODETECTOR ARRAY
    71.
    发明申请
    BIOMETRIC DETECTION USING PHOTODETECTOR ARRAY 有权

    公开(公告)号：US20230020039A1

    公开(公告)日：2023-01-19

    申请号：US17305990

    申请日：2021-07-19

    Applicant: Google LLC

    Inventor： Dongeek Shin ,  Paul Joseph Silberschatz

    IPC: G06K9/00 ,  A61B5/024 ,  G06F1/16 ,  G06F21/32

    Abstract: A computing device, such as a wearable device, may include a light source and a photodetector array. The photodetector array may be used to determine a touch event of a user that occurs during a time interval. A subset of the plurality of photodetectors associated with the touch event may provide detection signals at each of a plurality of times within the time interval, which may be aggregated to obtain a time series of aggregated detection signals. Biometric data of the user may be generated, based on the time series of aggregated detection signals.

    OPPORTUNISTIC SONAR MONITORING OF VITAL SIGNS
    72.
    发明申请
    OPPORTUNISTIC SONAR MONITORING OF VITAL SIGNS 有权

    公开(公告)号：US20220409090A1

    公开(公告)日：2022-12-29

    申请号：US17360999

    申请日：2021-06-28

    Applicant: Google LLC

    Inventor： Dongeek Shin ,  Qiuyue Xue ,  Shwetak Patel

    IPC: A61B5/097 ,  A61B5/00 ,  G01S7/00

    Abstract: Various arrangements for sonar-based vital sign monitoring are presented herein. A mobile device may be determined to be stationary. In response, sonar-based movement sensing can be activated. Sonar data can then be captured in response to activating the sonar-based movement sensing. A breathing pattern can be detected in the sonar data and used to collect respiration data about a user.

    TOUCH PRESSURE INPUT FOR DEVICES
    73.
    发明申请
    TOUCH PRESSURE INPUT FOR DEVICES 有权

    公开(公告)号：US20220350419A1

    公开(公告)日：2022-11-03

    申请号：US17302258

    申请日：2021-04-28

    Applicant: GOOGLE LLC

    Inventor： Dongeek Shin ,  Shahram Izadi ,  Shwetak N. Patel

    IPC: G06F3/02 ,  A61B5/282 ,  A61B5/332

    Abstract: A computing device, such as a wearable device, may include at least two electrodes mounted on a body. The computing device may determine an electrical signal associated with a circuit that includes the at least two electrodes and the user. A pressure applied to at least one electrode of the at least two electrodes may be determined from the electrical signal, and at least one function of the computing device may be implemented, based on the pressure.

    HAND GESTURE RECOGNITION BASED ON DETECTED WRIST MUSCULAR MOVEMENTS
    75.
    发明申请
    HAND GESTURE RECOGNITION BASED ON DETECTED WRIST MUSCULAR MOVEMENTS 有权

    公开(公告)号：US20220300082A1

    公开(公告)日：2022-09-22

    申请号：US17249966

    申请日：2021-03-19

    Applicant: GOOGLE LLC

    Inventor： Dongeek Shin ,  Shahram Izadi ,  David Kim ,  Sofien Bouaziz ,  Steven Benjamin Goldberg ,  Ivan Poupyrev ,  Shwetak N. Patel

    IPC: G06F3/01 ,  G06K9/00 ,  G06F1/16

    Abstract: Techniques of identifying gestures include detecting and classifying inner-wrist muscle motions at a user's wrist using micron-resolution radar sensors. For example, a user of an AR system may wear a band around their wrist. When the user makes a gesture to manipulate a virtual object in the AR system as seen in a head-mounted display (HMD), muscles and ligaments in the user's wrist make small movements on the order of 1-3 mm. The band contains a small radar device that has a transmitter and a number of receivers (e.g., three) of electromagnetic (EM) radiation on a chip (e.g., a Soli chip. This radiation reflects off the wrist muscles and ligaments and is received by the receivers on the chip in the band. The received reflected signal, or signal samples, are then sent to processing circuitry for classification to identify the wrist movement as a gesture.

    Refined Location Estimates Using Ultra-Wideband Communication Links
    76.
    发明申请
    Refined Location Estimates Using Ultra-Wideband Communication Links 有权

    公开(公告)号：US20220295443A1

    公开(公告)日：2022-09-15

    申请号：US17196093

    申请日：2021-03-09

    Applicant: Google LLC

    Inventor： Dongeek Shin ,  Steven Benjamin Goldberg ,  Shahram Izadi

    IPC: H04W64/00 ,  G01S13/02 ,  G01S5/02

    Abstract: This document describes systems and techniques to generate refined location estimates using ultra-wideband (UWB) communication links. Mobile devices, such as smartphones, include location sensors to estimate their location. The accuracy of location sensors is generally about 3 meters (or about 10 feet). More accurate location data would allow mobile devices to provide new and improved functionality. The described systems and techniques determine the distance between nearby mobile devices using UWB communication links. A mobile device can then use the distance between the mobile devices to determine their relative locations. By comparing the relative locations of the mobile devices with their location estimates, the mobile device can generate a refined location estimate with greater accuracy.

    Measurements using an ultra-wideband ranging pair
    77.
    发明申请
    Measurements using an ultra-wideband ranging pair 有权

    公开(公告)号：US20220244367A1

    公开(公告)日：2022-08-04

    申请号：US17248672

    申请日：2021-02-02

    Applicant: GOOGLE LLC

    Inventor： Dongeek Shin ,  Richard Lee Marks

    IPC: G01S11/04 ,  G06F3/01

    Abstract: A method including associating an ultra-wide band (UWB) tag device with a UWB anchor device, capturing UWB range and angle data representing a plurality of locations in a physical space using a calibration technique, capturing UWB range and angle data representing a first location of the UWB tag device in relation to the UWB anchor device, capturing UWB range and angle data representing a second location of the UWB tag device in relation to the UWB anchor device, and determining a length based on the first location and the second location.

    Early Skin Condition Diagnostics Using Sonic Sensors
    78.
    发明申请
    Early Skin Condition Diagnostics Using Sonic Sensors 有权

    公开(公告)号：US20220020494A1

    公开(公告)日：2022-01-20

    申请号：US17379356

    申请日：2021-07-19

    Applicant: Google LLC

    Inventor： Dongeek Shin ,  William James Biederman ,  Shwetak Patel

    IPC: G16H50/20 ,  G06N20/00

    Abstract: Computing systems and methods are provided for detecting skin conditions of humans. A computing device can authenticate a user via a fingerprint scan of a first skin region of the user using a three-dimensional (3D) sonic sensor. The device can generate a three-dimensional (3D) volumetric sonic measurement of a second skin region of the user based at least in part on one or more sonic pulses of the three-dimensional sonic sensor. The device can input data indicative of the 3D volumetric sonic measurement into one or more machine-learning models, generate one or more skin cancer condition identifications associated with the second skin region of the user based on one or more outputs of the one or more machine-learned models, and provide one or more outputs including the one or more skin cancer condition identifications associated with the second skin region of the user.

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