公开(公告)号：US11062837B2

公开(公告)日：2021-07-13

申请号：US16871145

申请日：2020-05-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Yu ,  Wei Chen ,  Jie Ren

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/33 ,  H02M3/335

Abstract: A planar transformer includes a primary winding including a first primary winding layer, a secondary winding including a first secondary winding layer, where an Ns1th turn of coil to an (Ns1+B1−1)th turn of coil in the secondary winding are disposed at the first secondary winding layer, and a charge balance winding including a first charge balance winding layer, where the first charge balance winding layer is disposed between the first primary winding layer and the first secondary winding layer, and is adjacent to the first primary winding layer and the first secondary winding layer. N1 turns of coils are disposed at the first charge balance winding layer, where N1 is greater than or equal to Nb1.

公开(公告)号：US20210063599A1

公开(公告)日：2021-03-04

申请号：US17096054

申请日：2020-11-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mou He ,  Wei Chen ,  Yongfa Zhu

IPC: G01V3/10 ,  G01V3/08 ,  G01V3/38 ,  H02J50/60 ,  H02J50/80 ,  H02J50/10

Abstract: A detection coil includes a first group of coils, a second group of coils, and a third group of coils that are continuously wound and coaxial, and the second group of coils is located between the first group of coils and the third group of coils. A coil that generates the first magnetic field is coaxial with the first group of coils, the second group of coils, and the third group of coils. A sum of the induced electromotive forces of the first group of coils, the second group of coils, and the third group of coils is zero. When a metal foreign matter exists, a sum of the induced electromotive forces of the first group of coils, the second group of coils, and the third group of coils is not zero.

公开(公告)号：US20200280172A1

公开(公告)日：2020-09-03

申请号：US16877707

申请日：2020-05-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jialin Zhao ,  Wei Chen ,  Li Zeng

IPC: H01S5/10 ,  H01S5/14 ,  H01S5/026 ,  H01S5/02 ,  H01S5/50 ,  H01S5/068 ,  H04B10/50

Abstract: A tunable laser includes a reflective semiconductor optical amplifier (SOA), a grating codirectional coupler, and a reflective microring resonator. The grating codirectional coupler and the reflective microring resonator are both formed on a silicon base. An anti-reflection film is disposed on a first end surface of the reflective SOA, and the first end surface is an end surface, coupled to a first waveguide of the grating codirectional coupler, of the reflective SOA. A second waveguide of the grating codirectional coupler is coupled to the first waveguide, a first grating is disposed on the first waveguide, a second grating disposed opposite to the first grating is disposed on the second waveguide, and the first grating and the second grating constitute a narrow-band pass filter. The second waveguide is connected to the reflective microring resonator.

公开(公告)号：US10419531B2

公开(公告)日：2019-09-17

申请号：US14948829

申请日：2015-11-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenhui Li ,  Wei Chen ,  Hui Ni ,  Hua Li ,  Zeyu Sun

IPC: G06F15/173 ,  H04L29/08 ,  H04L12/64 ,  H04L12/66 ,  H04L12/803 ,  H04L12/855 ,  H04L29/12

Abstract: Embodiments of the present application disclose a method for setting a gateway device identity, and a management gateway device. The method includes: acquiring a negotiation packet of a gateway device; acquiring a gateway device priority carried in the negotiation packet; and setting a member identity of the gateway device according to the gateway device priority. According to the method and the device, complexity of selecting an active virtual gateway device or an active virtual forwarding device among multiple gateway devices can be reduced, and the processing efficiency of a service mechanism of traffic load sharing of multiple gateway devices can be enhanced.

公开(公告)号：US10064065B2

公开(公告)日：2018-08-28

申请号：US14732431

申请日：2015-06-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haidong Yan ,  Wei Chen ,  Jiang Guo ,  Huaijie Xue ,  Zhiwei Su ,  Jingquan Liu

IPC: H04W16/14 ,  H04W24/10 ,  H04W72/04 ,  H04W48/20 ,  H04B7/024 ,  H04W88/08

CPC classification number: H04W16/14 ,  H04B7/024 ,  H04W24/10 ,  H04W48/20 ,  H04W72/042 ,  H04W88/085

Abstract: A method includes: an RRU selection decision cycle of a current RRU shared cell arriving; and determining, according to a current downlink measurement item of a user terminal and an uplink measurement item of each RRU, that at least one RRU among the RRUs transmits a downlink carrier signal; or, determining, according to the current downlink measurement item of the user terminal, the uplink measurement item of each RRU, and power specification of each RRU, that at least one RRU among the RRUs transmits a downlink carrier signal, where a downlink channel includes: a traffic channel and a stand-alone dedicated control channel.

公开(公告)号：US20170164168A1

公开(公告)日：2017-06-08

申请号：US15321311

申请日：2015-06-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dedong Yang ,  Zhen Zhong ,  Wei Chen

IPC: H04W4/12 ,  H04L12/58 ,  H04W12/06 ,  H04L29/08 ,  H04W76/02

CPC classification number: H04W4/12 ,  H04L51/38 ,  H04L67/26 ,  H04W8/20 ,  H04W12/06 ,  H04W76/10 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/162

Abstract: A message sending method, a mobile broadband (MBB) device, and a host, where the method includes receiving, by an MBB device, authentication information sent by a host, requesting, by the MBB device, authentication from a notification server according to the authentication information, to establish a transmission path between the MBB device and the notification server, determining, by the MBB device, a message required to be transmitted to the host, and sending, by the MBB device, the message to the notification server using the transmission path such that the notification server sends the message to the host. The message can be actively pushed to the host when the message required to be transmitted to a host is determined such that signaling overheads can be significantly reduced, and power consumption can be reduced.

公开(公告)号：US12225279B2

公开(公告)日：2025-02-11

申请号：US17581505

申请日：2022-01-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qingliang Wu ,  Yanming Zhu ,  Yayun Zhang ,  Deqi Hu ,  Wei Chen

IPC: H04N23/611 ,  G06V40/16 ,  H04N23/62 ,  H04N23/667

Abstract: A photographing method includes receiving a pressing operation performed by a user on a photographing control of the camera application, and determining, based on both an age of the user and pressing duration of the pressing operation, whether to shoot one photo or continuously shoot a plurality of photos.

公开(公告)号：US20250037573A1

公开(公告)日：2025-01-30

申请号：US18915208

申请日：2024-10-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Chen ,  Liangbing Lu ,  Peng Zhang ,  Jingjing Guo ,  Wei Wei

IPC: G08G1/005 ,  G01C21/36 ,  G06V20/50 ,  G09B21/00

Abstract: An image processing method. The method is applied to an electronic device. The electronic device is configured execute instructions to obtain a plurality of frames of images of a front angle of view of a user and generally to perform a method that includes: determining a first route if a crosswalk is detected in the plurality of frames of images, where the first route is a safe walking route on the crosswalk; obtaining, based on the plurality of frames of images, a second route that the user actually walks; and outputting first indication information to the user if an included angle between the first route and the second route in a same reference system is greater than or equal to a preset angle, where the first indication information indicates that the second route is abnormal.

公开(公告)号：US12107392B2

公开(公告)日：2024-10-01

申请号：US17063917

申请日：2020-10-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jialin Zhao ,  Wei Chen ,  Xiaolu Song

IPC: H01S5/14 ,  H01S5/02 ,  H01S5/02325 ,  H01S5/026 ,  H01S5/0687 ,  H01S5/10 ,  H01S5/50

CPC classification number: H01S5/142 ,  H01S5/026 ,  H01S5/1028 ,  H01S5/1032 ,  H01S5/50 ,  H01S5/021 ,  H01S5/02325 ,  H01S5/0261 ,  H01S5/0687

Abstract: Example wavelength tunable lasers are described. One example wavelength tunable laser includes a reflective semiconductor optical amplifier, three couplers, and at least two microring resonators. The reflective semiconductor optical amplifier is connected to one port of the first coupler. Some of the at least two microring resonators are arranged between another port of the first coupler and one port of the second coupler, the others of the at least two microring resonators are arranged between a third port of the first coupler and a second port of the second coupler, and a third port and a fourth port of the second coupler are connected to two ports of the third coupler.

公开(公告)号：US12028118B2

公开(公告)日：2024-07-02

申请号：US17682861

申请日：2022-02-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Chen ,  Min Chen ,  Kan Li ,  Fang Chen ,  Dezheng Liu

IPC: H04B17/00 ,  H04B17/11 ,  H04B17/21

CPC classification number: H04B17/11 ,  H04B17/21

Abstract: This application provides an antenna calibration apparatus and an antenna calibration method. The antenna calibration apparatus includes: l antennas; l antenna filters, where first ends of the l antenna filters are respectively connected to the l antennas; l radio frequency links, respectively connected to second ends of the l antenna filters; and a calibration circuit, connected to each of the second ends of the l antenna filters, and configured to: send or receive a first calibration signal through a position between each antenna filter in the l antenna filters and a radio frequency link connected to the second end of each antenna filter; and calibrate each antenna based on the first calibration signal.