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    High-speed multiplexer for reducing glitch power
    33.
    发明授权
    High-speed multiplexer for reducing glitch power 有权

    公开(公告)号：US12254955B2

    公开(公告)日：2025-03-18

    申请号：US18173572

    申请日：2023-02-23

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Sri Harsha Manjunath

    IPC: G11C7/10 ,  G11C7/22 ,  H03L7/099

    Abstract: A method implemented by a multi-chip package (MCP) electronic device including a die-to-die (D2D) interface is provided. The method includes receiving, by a receiver portion of a first die of the D2D interface, and from a transmitter portion of a second die of the D2D interface, a first timing signal and a second timing signal. The method includes generating a timing calibration signal based on a timing value corresponding to a midpoint of an estimated margin between overlaying segments of the first timing signal and a timing value corresponding to a delay of a unit delay associated with the receiver portion. The method includes generating an output timing signal based on the timing calibration signal, and selecting a timing delay signal based on the output timing signal and the timing calibration signal. The timing delay signal is selected to reduce a potential glitch power associated with the receiver portion.

    Artificial reality augments and surfaces
    34.
    发明授权
    Artificial reality augments and surfaces 有权

    公开(公告)号：US12254581B2

    公开(公告)日：2025-03-18

    申请号：US18508538

    申请日：2023-11-14

    Applicant: Meta Platforms Technologies, LLC

    Inventor： James Tichenor ,  Arthur Zwiegincew ,  Hayden Schoen ,  Alex Marcolina ,  Gregory Alt ,  Todd Harris ,  Merlyn Deng ,  Barrett Fox ,  Michal Hlavac

    IPC: G06T19/00 ,  G06F3/01 ,  G06T19/20

    Abstract: Aspects of the present disclosure are directed to providing an artificial reality environment with augments and surfaces. An “augment” is a virtual container in 3D space that can include presentation data, context, and logic. An artificial reality system can use augments as the fundamental building block for displaying 2D and 3D models in the artificial reality environment. For example, augments can represent people, places, and things in an artificial reality environment and can respond to a context such as a current display mode, time of day, a type of surface the augment is on, a relationship to other augments, etc. Augments can be on a “surface” that has a layout and properties that cause augments on that surface to display in different ways. Augments and other objects (real or virtual) can also interact, where these interactions can be controlled by rules for the objects evaluated based on information from the shell.

    Thermal management for extended reality ecosystem
    35.
    发明授权
    Thermal management for extended reality ecosystem 有权

    公开(公告)号：US12248346B1

    公开(公告)日：2025-03-11

    申请号：US18525102

    申请日：2023-11-30

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Bardia Zandian ,  Eugene Gorbatov ,  Pankaj Raghuvanshi ,  Shrirang Madhav Yardi

    IPC: G06F1/20 ,  G06F1/16 ,  G06T15/00

    Abstract: A method by a computing system associated with a set of disjoint devices that includes at least one wearable device includes receiving a request to perform a task. The method further includes determining, based on sensor data associated with the set of disjoint devices, a thermal-constraint differential for each device of the set of disjoint devices. The method further includes determining a plurality of workload assignments needed to be performed to accomplish the task. The method further includes distributing, based on the thermal-constraint differentials of the set of disjoint devices, the plurality of workload assignments to one or more devices of the set of disjoint devices to satisfy one or more power or thermal constraints associated with each device of the set of disjoint devices. The method further includes performing the task by causing the one or more devices to execute the distributed plurality of work assignments.

    SYSTEMS AND METHODS OF ADJUSTING WIRELESS COMMUNICATION CONFIGURATIONS ACCORDING TO LOCATION
    36.
    发明申请
    SYSTEMS AND METHODS OF ADJUSTING WIRELESS COMMUNICATION CONFIGURATIONS ACCORDING TO LOCATION 有权

    公开(公告)号：US20250081149A1

    公开(公告)日：2025-03-06

    申请号：US18615557

    申请日：2024-03-25

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Zhenyu ZHANG ,  Songping WU

    IPC: H04W64/00 ,  H04W84/12

    Abstract: Disclosed herein are systems and method for selecting and applying configurations for wireless communications of a UE device based on a location. The system can include a processor to detect a wireless network of an access point (AP) configured to support wireless communication according to a plurality of configurations. The processor can identify, based at least on a plurality of weights for a plurality of modes for geolocation determination, a mode of the plurality of modes corresponding to a weight of the plurality of weights. The processor can determine a geolocation of the AP using the mode and the weight and select, based at least on the geolocation of the AP, a configuration of the plurality of configurations to use for wireless communication with the AP.

    Triggering actions based on detected motions on an artificial reality device
    38.
    发明授权
    Triggering actions based on detected motions on an artificial reality device 有权

    公开(公告)号：US12242672B1

    公开(公告)日：2025-03-04

    申请号：US18068048

    申请日：2022-12-19

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Shaik Shabnam Nizamudeen Basha ,  Peter Ju ,  Eric Leung ,  Pierluigi Taddei ,  Jianhan Xu

    IPC: G06F3/01 ,  G06T11/00

    Abstract: Aspects of the present disclosure can trigger an action based on a motion detected by an artificial reality (XR) device, such as a head-mounted display (HMD). The XR device can display an XR experience to a user. While displaying the XR experience, the XR device can detect a physical interaction with the XR device using one of more sensors (e.g., sensors of an inertial measurement unit (IMU)). The physical interaction can generate a movement profile captured by the one or more sensors. The XR device can identify the physical interaction as a particular motion (e.g., one or more taps on the XR device) by applying a machine learning model to the movement profile. In response to identifying the particular motion, the XR device can trigger an action on the XR device (e.g., activating pass-through on the XR device).

    Flexures for optical lens
    39.
    发明授权
    Flexures for optical lens 有权

    公开(公告)号：US12242126B2

    公开(公告)日：2025-03-04

    申请号：US17538984

    申请日：2021-11-30

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Alexander Sohn

    IPC: G02B7/00

    Abstract: An example optical substrate, according to aspects of the present disclosure, includes a support structure, a plurality of lenses, and a plurality of flexures. Each flexure is engaged with the support structure and a respective lens for allowing independent lateral movements of the lenses during assembly of the optical substrate with another layer of an optical assembly. A first lateral movement provided by a first flexure of the plurality of flexures during the assembly is different from a second lateral movement provided by a second flexure of the plurality of flexures.

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