公开(公告)号：US12068673B2

公开(公告)日：2024-08-20

申请号：US17743237

申请日：2022-05-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaokun Wang ,  Zhongjian Chen

IPC: H02M1/00

CPC classification number: H02M1/0048 ,  H02M1/0025

Abstract: This application provides a load line circuit and an electronic device, where the load line circuit is applied to the electronic device. A voltage value of a feedback voltage provided by the load line circuit to a switch-mode power supply is linearly and positively correlated with each of a voltage value of a first voltage and a current value of a first current, where the first voltage is a voltage provided to a load circuit, and the first current is a current provided to the load circuit. Through disposition of the load line circuit, the switch-mode power supply can implement a load line function.

公开(公告)号：US20180062688A1

公开(公告)日：2018-03-01

申请号：US15560409

申请日：2015-06-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaokun Wang ,  Wujian Liu ,  Yanbiao Luo

IPC: H04B1/3888 ,  A45C11/00 ,  A45C13/10 ,  H04B1/3877 ,  H04M1/02

CPC classification number: H04B1/3888 ,  A45C11/00 ,  A45C11/24 ,  A45C13/1069 ,  A45C2011/002 ,  A45C2011/003 ,  A45C2200/15 ,  G06F1/1626 ,  G06F2200/1633 ,  H04B1/3877 ,  H04M1/02 ,  H04M1/026

Abstract: An electronic product protective case includes a rear housing and a holder which further includes a magnet assembly, and the magnet assembly includes a first magnet group and a second magnet group. The first magnet group includes a first magnet and a third magnet that have opposite polarities. The second magnet group includes a second magnet and a fourth magnet that have opposite polarities. The first magnet and the second magnet have opposite polarities. The third magnet and the fourth magnet have opposite polarities. The first magnet and the second magnet are mutually absorbed, and the third magnet and the fourth magnet are mutually absorbed.

公开(公告)号：US11886274B2

公开(公告)日：2024-01-30

申请号：US17834710

申请日：2022-06-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhongjian Chen ,  Xiaokun Wang ,  Shibin Xu ,  Nianbing Li ,  Liangyi Zhang

IPC: G06F1/32 ,  G06F1/26 ,  G06F1/3296 ,  G06F1/3206 ,  G06F1/324

CPC classification number: G06F1/3296 ,  G06F1/26 ,  G06F1/324 ,  G06F1/3206

Abstract: This application discloses a voltage scaling method and an electronic device. The method is applied to an electronic device having a processor and a power supply that supplies power to the processor. The method includes the processor sending power supply scaling information to the power supply based on an operating frequency in a next time period. The method further includes the power supply determining, based on the power supply scaling information, a supply voltage Vout used to supply power to the processor. The supply voltage Vout decreases as a load current of the power supply increases. Vmin≤Vout≤V, where Vmin is a lowest supply voltage of the processor at the operating frequency in the next time period, and V is a specified supply voltage of the processor at the operating frequency in the next time period.

公开(公告)号：US10164678B2

公开(公告)日：2018-12-25

申请号：US15560409

申请日：2015-06-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaokun Wang ,  Wujian Liu ,  Yanbiao Luo

IPC: H04B1/3888 ,  A45C11/24 ,  H04M1/02 ,  A45C11/00 ,  A45C13/10 ,  H04B1/3877 ,  G06F1/16

Abstract: An electronic product protective case includes a rear housing and a holder which further includes a magnet assembly, and the magnet assembly includes a first magnet group and a second magnet group. The first magnet group includes a first magnet and a third magnet that have opposite polarities. The second magnet group includes a second magnet and a fourth magnet that have opposite polarities. The first magnet and the second magnet have opposite polarities. The third magnet and the fourth magnet have opposite polarities. The first magnet and the second magnet are mutually absorbed, and the third magnet and the fourth magnet are mutually absorbed.