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    Model protection system
    13.
    发明授权
    Model protection system 有权

    公开(公告)号：US12265838B2

    公开(公告)日：2025-04-01

    申请号：US17840652

    申请日：2022-06-15

    Applicant: MEDIATEK INC.

    Inventor： Chih-Hsiang Hsiao ,  Pei-Lun Suei ,  Yu-Chi Chu

    IPC: G06F9/46 ,  G06F3/06 ,  G06F9/455 ,  G06F21/53

    Abstract: A system for model protection includes a processor. The processor is arranged to execute a guest virtual machine (VM), a primary VM, and a hypervisor. The guest VM includes a model, and is arranged to send at least one command to a command hub. The primary VM is arranged to refer to the at least one command sent from the command hub to manage and configure a protection setting for a protected model derived from the model. The hypervisor is arranged to receive a safety setting command sent by the primary VM, and manage and configure the safety protection component according to the safety setting command, to set a read-only mode of the protected model.

    Memory protection for virtual machines
    14.
    发明授权
    Memory protection for virtual machines 有权

    公开(公告)号：US12061923B2

    公开(公告)日：2024-08-13

    申请号：US17524046

    申请日：2021-11-11

    Applicant: MediaTek Inc.

    Inventor： Chih-Hsiang Hsiao ,  Chih-Pin Su

    IPC: G06F9/455

    CPC classification number: G06F9/45558 ,  G06F2009/45583

    Abstract: A system includes a memory addressable by addresses within a physical address (PA) space, and one or more processors that perform operations of virtual machines (VMs). The VMs are allocated with extended PA regions outside the PA space. The system further includes a memory interface controller coupled to the memory and the one or more processors. The memory interface controller receives a request for accessing an address in the extended PA regions from a requesting VM, and uses a remap circuit to map the address in the extended PA regions to a remapped address in the PA space. A memory protection unit (MPU) in the memory interface controller grants or denies the request based on stored information indicating whether the remapped address is accessible to the requesting VM.

    CONTROL SYSTEM USING DEVICE CONTROLLERS AND DEVICE ROOT TO MANAGE PROCESSING UNITS AND ASSOCIATED CONTROL METHOD
    16.
    发明公开
    CONTROL SYSTEM USING DEVICE CONTROLLERS AND DEVICE ROOT TO MANAGE PROCESSING UNITS AND ASSOCIATED CONTROL METHOD 审中-公开

    公开(公告)号：US20240103600A1

    公开(公告)日：2024-03-28

    申请号：US18127604

    申请日：2023-03-28

    Applicant: MEDIATEK INC.

    Inventor： Chih-Hsiang Hsiao

    IPC: G06F1/3293 ,  G06F1/10

    CPC classification number: G06F1/3293 ,  G06F1/10

    Abstract: A control system includes multiple device controllers and a device root. Each of the multiple device controllers corresponds to at least one processing unit, and is arranged to receive a hint from an application processor (AP), and generate a control signal for managing the at least one processing unit according to the hint. The device root is coupled to the multiple device controllers and includes a manager, wherein the manager is arranged to manage multiple processing units corresponding to the multiple device controllers according to multiple control signals corresponding to the multiple device controllers.

    MEMORY PROTECTION FOR VIRTUAL MACHINES
    17.
    发明申请
    MEMORY PROTECTION FOR VIRTUAL MACHINES 有权

    公开(公告)号：US20220179677A1

    公开(公告)日：2022-06-09

    申请号：US17524046

    申请日：2021-11-11

    Applicant: MediaTek Inc.

    Inventor： Chih-Hsiang Hsiao ,  Chih-Pin Su

    IPC: G06F9/455

    Abstract: A system includes a memory addressable by addresses within a physical address (PA) space, and one or more processors that perform operations of virtual machines (VMs). The VMs are allocated with extended PA regions outside the PA space. The system further includes a memory interface controller coupled to the memory and the one or more processors. The memory interface controller receives a request for accessing an address in the extended PA regions from a requesting VM, and uses a remap circuit to map the address in the extended PA regions to a remapped address in the PA space. A memory protection unit (MPU) in the memory interface controller grants or denies the request based on stored information indicating whether the remapped address is accessible to the requesting VM.

    Power-saving method and associated electronic device
    20.
    发明授权
    Power-saving method and associated electronic device 有权
    省电方式及相关电子设备

    公开(公告)号：US09547363B2

    公开(公告)日：2017-01-17

    申请号：US14748409

    申请日：2015-06-24

    Applicant: MediaTek Inc.

    Inventor： Chih-Hsiang Hsiao ,  Chi-Hsuan Lin ,  Po-Yu Chen

    IPC: G06F1/32 ,  G06F1/16 ,  H04W52/02 ,  G01C22/00 ,  G06F19/00

    CPC classification number: G06F1/3287 ,  G01C22/006 ,  G06F1/163 ,  G06F1/3206 ,  G06F1/3209 ,  G06F1/3212 ,  G06F1/3215 ,  G06F1/3234 ,  G06F1/325 ,  G06F19/3481 ,  H04W52/0251 ,  H04W52/0254 ,  H04W52/0264 ,  H04W52/0277 ,  H04W52/028 ,  Y02D10/171 ,  Y02D10/174 ,  Y02D70/144 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/26

    Abstract: A power-saving method and associated electronic device are provided. The electronic device is connected with a first external electronic device and a second external electronic device, and a first sensor and a second sensor are deployed on the first external electronic device and the second electronic device, respectively. The electronic device includes: a third sensor, and a processor, wherein the first, second, and third sensors have the same type. The processor gathers information from the first pedometer sensor, the second pedometer sensor, the first external electronic device, and the second external electronic device, and determines whether to turn off at least one of the first, second, and third pedometer sensors according to the information gathered.

    Abstract translation: 提供省电方法和相关联的电子设备。 电子设备与第一外部电子设备和第二外部电子设备连接，第一传感器和第二传感器分别部署在第一外部电子设备和第二电子设备上。 电子设备包括：第三传感器和处理器，其中第一，第二和第三传感器具有相同的类型。 处理器从第一计步器传感器，第二计步器传感器，第一外部电子设备和第二外部电子设备收集信息，并且根据第一计步器传感器，第二计步器传感器，第二外部电子设备和第二外部电子设备来确定是否关闭至少一个第一，第二和第三计步器传感器 信息收集。

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