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    Wrist-Worn Electronic Device, Wrist Size Measurement Method, and Blood Pressure Measurement Method
    23.
    发明申请
    Wrist-Worn Electronic Device, Wrist Size Measurement Method, and Blood Pressure Measurement Method 有权

    公开(公告)号：US20220400961A1

    公开(公告)日：2022-12-22

    申请号：US17784621

    申请日：2020-12-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Shaojian Wang ,  Zhenlong Huang ,  Jing Li ,  Xiaoyu Fu

    IPC: A61B5/0205 ,  G04G21/02 ,  A61B5/107 ,  A61B5/00 ,  A44C5/20

    Abstract: In an embodiment a wrist-worn electronic device includes a main body, a wrist strap connected to the main body, wherein the wrist strap is configured to place the main body on a wrist of a target user, a wrist size determining part configured to measure, by using the wrist strap of the wrist-worn electronic device, a use circumference of the wrist-worn electronic device that matches a wrist size of the target user, and determine the wrist size of the target user based on the use circumference of the wrist-worn electronic device, and a blood pressure determining part configured to detect a pulse wave signal of the target user, measure a measured blood pressure of the target user based on the pulse wave signal, and correct the measured blood pressure of the target user based on the wrist size of the target user thereby obtaining a first corrected blood pressure of the target user.

    Trunking communication system, trunking server, access network and trunking communication method
    24.
    发明授权
    Trunking communication system, trunking server, access network and trunking communication method 有权

    公开(公告)号：US10484434B2

    公开(公告)日：2019-11-19

    申请号：US15782643

    申请日：2017-10-12

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Rongting Gu ,  Hua Wen ,  Qian Zhu ,  Jing Li ,  Yihua Li ,  Qiting Xie

    IPC: H04L29/06 ,  H04W8/18 ,  H04W4/60 ,  H04W84/08 ,  H04W4/08 ,  H04W4/10

    Abstract: A trunking communication system, a server, an access network and a trunking communication method are disclosed. The system includes a trunking management server and an access network, the trunking management server includes a trunking call service control module and a connected trunking call media gateway module, where: the trunking call media gateway module is configured to receive service data sent through the access network by a trunking UE, and forward the service data according to a communication type of the service data for implementing user plane communication of the trunking UE; and the trunking call service control module is configured to receive a communication request sent through the access network by a trunking UE, and perform call control and bearer management on the trunking UE according to a communication type of the communication request for implementing control plane communication of the trunking UE.

    Method and device for establishing channel
    25.
    发明授权
    Method and device for establishing channel 有权

    公开(公告)号：US10250646B2

    公开(公告)日：2019-04-02

    申请号：US15242244

    申请日：2016-08-19

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Jing Li ,  Zhenhua Tian ,  Wanling Ye

    IPC: H04L29/06 ,  H04L29/08

    Abstract: Embodiments of the present disclosure provide a method and a device for establishing a channel, capable of reducing data transmission path length when two WEBRTC terminals transmit data based on an IMS network, reducing network delays, and reducing load of a media gateway device. The method includes: receiving, by a WEBRTC signaling gateway device, a session request message transmitted by a WEBRTC terminal serving as a calling terminal, where the session request message comprises an identifier of a called terminal, determining that the called terminal is a WEBRTC terminal according to the access mode in which the called terminal accesses a WEBRTC signaling terminal, and transmitting the session request message to the called terminal via the WEBRTC signaling gateway device accessed by the called terminal, to enable the calling terminal to establish an end-to-end media channel between the calling terminal and the called terminal according to the session response message.

    Protection circuit of power over ethernet port and ethernet power-sourcing equipment
    29.
    发明授权
    Protection circuit of power over ethernet port and ethernet power-sourcing equipment 有权
    以太网端口和以太网供电设备电源保护电路

    公开(公告)号：US09472950B2

    公开(公告)日：2016-10-18

    申请号：US14051180

    申请日：2013-10-10

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Ming Zhou ,  Jing Li ,  Shuai Xu

    IPC: H02H9/04 ,  H04L12/10 ,  H04L25/02 ,  H04M3/18

    CPC classification number: H02H9/045 ,  H02H9/04 ,  H02H9/041 ,  H04L12/10 ,  H04L25/0266 ,  H04M3/18

    Abstract: The present invention discloses a protection circuit of Power Over Ethernet (POE) port and an Ethernet power-sourcing equipment. The port protection circuit includes: a first common mode suppression component, a second common mode suppression component, and a rectifier bridge. A first input end and a second input end of the rectifier bridge are connected to a first direct current output end and a second direct current output end of a PoE control chip, respectively. A first output end or a second output end of the rectifier bridge is connected to an uncharged signal line of a PoE port. An end of the first common mode suppression component is connected to the first output end of the rectifier bridge, and another end thereof is grounded. An end of the second common mode suppression component is connected to the second output end of the rectifier bridge, and another end thereof is grounded.

    Abstract translation: 本发明公开了以太网供电（POE）端口和以太网电源设备的保护电路。 端口保护电路包括：第一共模抑制分量，第二共模抑制分量和整流桥。 整流桥的第一输入端和第二输入端分别连接到PoE控制芯片的第一直流输出端和第二直流输出端。 整流桥的第一输出端或第二输出端连接到PoE端口的未充电信号线。 第一共模抑制分量的一端连接到整流桥的第一输出端，​​另一端接地。 第二共模抑制分量的一端连接到整流桥的第二输出端，另一端接地。

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