公开(公告)号：US20170085978A1

公开(公告)日：2017-03-23

申请号：US15364033

申请日：2016-11-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei SU ,  Huogen KUANG ,  Yudi ZHOU ,  Zhiqiang ZHANG ,  Zhonghui PENG

IPC: H04R1/10

CPC classification number: H04R1/1041 ,  H04R1/1025 ,  H04R2201/107 ,  H04R2430/01 ,  H04R2460/01 ,  H04R2460/03

Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for supplying power to an active noise reduction headset The method for supplying power to an active noise reduction headset includes: receiving a signal of first voltage transmitted by the terminal; processing the signal of the first voltage to obtain a signal of second voltage, where the second voltage is less than the first voltage, and the signal of the second voltage is transmitted to a noise reduction chip of the active noise reduction headset, so that the noise reduction chip of the active noise reduction headset acquires the signal of the second voltage to implement a noise reduction function. The method, apparatus, and system for supplying power to an active noise reduction headset provided in the embodiments of the present invention are used to supply power to the active noise reduction headset.

公开(公告)号：US20170048605A1

公开(公告)日：2017-02-16

申请号：US15305622

申请日：2015-05-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Depeng KOU ,  Huogen KUANG ,  Zhonghui PENG ,  Hai JIANG

IPC: H04R1/10

CPC classification number: H04R1/1041 ,  H04R1/1025 ,  H04R2201/107 ,  H04R2430/01 ,  H04R2460/01 ,  H04R2460/03

Abstract: Embodiments of the present invention relate to the field of electronic products and provide a method, an apparatus, and a system for supplying power to an active noise reduction headset, which can resolve a problem that a power supply operation of the active noise reduction headset is highly complex. The method for supplying power to an active noise reduction headset includes: receiving a signal of first voltage transmitted by a terminal; processing the signal of the first voltage to obtain a signal of second voltage, where the second voltage is less than the first voltage, and the signal of the second voltage is transmitted to a noise reduction chip of the active noise reduction headset, so that the noise reduction chip of the active noise reduction headset obtains the signal of the second voltage to implement a noise reduction function.

Abstract translation: 本发明的实施例涉及电子产品领域，并且提供了一种用于向主动降噪耳机供电的方法，装置和系统，其可以解决主动降噪耳机的电源操作为 高度复杂 用于向主动降噪耳机供电的方法包括：接收由终端发送的第一电压的信号; 处理第一电压的信号以获得第二电压的信号，其中第二电压小于第一电压，并且第二电压的信号被发送到主动降噪耳机的降噪芯片，使得 主动降噪耳机的降噪芯片获得第二电压的信号，以实现降噪功能。

公开(公告)号：US20190324086A1

公开(公告)日：2019-10-24

申请号：US16474867

申请日：2017-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wenchao YU ,  Chong WEN ,  Hui WANG ,  Jianjun XU ,  Kangjie CHAO ,  Huogen KUANG

IPC: G01R31/36 ,  G01R31/02 ,  H01M10/04 ,  H01M10/48 ,  H01M10/42

Abstract: Embodiments of this application disclose a battery leakage current check method, apparatus, and circuit, and relate to the battery field, so as to check for a leakage current inside a battery. The battery leakage current check method includes: when a power adapter supplies power to an electronic device, controlling the battery to stop supplying power to the electronic device; obtaining a voltage parameter and a duration parameter, where the voltage parameter is a difference between voltages of the battery at two different moments, and the duration parameter is duration between the two different moments; and determining, based on the voltage parameter and the duration parameter, whether a leakage parameter of the battery meets a preset condition. The embodiments of this application are applied to battery leakage current check.

公开(公告)号：US20170078797A1

公开(公告)日：2017-03-16

申请号：US15311334

申请日：2014-07-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei SU ,  Huogen KUANG

IPC: H04R5/04 ,  H04R5/033 ,  H04R29/00

CPC classification number: H04R5/04 ,  H01R24/58 ,  H01R2107/00 ,  H04R1/1091 ,  H04R3/00 ,  H04R3/007 ,  H04R5/033 ,  H04R29/00 ,  H04R29/001 ,  H04R2420/05 ,  H04R2420/09

Abstract: A terminal and a system capable of reducing noise generated in a process of plugging or unplugging an earphone. The terminal includes: an earphone socket, a switch circuit, an earphone power supply circuit, and a bleeder circuit, where a first pin of the earphone socket is connected to a control pin of the switch circuit, a second pin of the earphone socket is connected to an input terminal of the switch circuit, a first output terminal of the switch circuit is connected to the earphone power supply circuit, and a second output terminal of the switch circuit is connected to the bleeder circuit.

Abstract translation: 一种能够减少在插拔耳机的过程中产生的噪声的终端和系统。 终端包括：耳机插座，开关电路，耳机电源电路和泄放电路，其中耳机插座的第一引脚连接到开关电路的控制引脚，耳机插座的第二引脚是 连接到开关电路的输入端子，开关电路的第一输出端子连接到耳机电源电路，开关电路的第二输出端子连接到泄放电路。