公开(公告)号：US09362768B2

公开(公告)日：2016-06-07

申请号：US14464899

申请日：2014-08-21

Applicant: Huawei Device Co., Ltd.

Inventor： Xiongwei Zhu ,  Konggang Wei ,  Zufeng Guo

IPC: H02J7/00 ,  H02J7/04 ,  H02J7/16 ,  H02M3/335 ,  H02J7/02 ,  H02M1/00

CPC classification number: H02J7/0052 ,  H02J7/022 ,  H02J2007/0059 ,  H02M3/33507 ,  H02M3/33569 ,  H02M2001/0045 ,  Y02B40/90

Abstract: A charger and a charging system are provided. The charger includes: a rectifier, a transformer, a first diode, a capacitor, a voltage sampling feedback unit, a pulse width modulation (PWM) controller, a battery voltage feedback unit and a semiconductor switching component, where the battery voltage feedback unit is added in the charger to detect battery voltage of a terminal, and the detected battery voltage of the terminal is fed back to a voltage sampling feedback unit inside the charger, so that the voltage sampling feedback unit can adjust an output voltage of the charger in real time according to an actual battery voltage of the terminal, and therefore, the output voltage of the charger gradually rises along with an increase of the battery voltage of the terminal, thereby effectively reducing energy consumption of the charger and achieving a purpose of energy saving.

Abstract translation: 提供充电器和充电系统。 充电器包括：电池电压反馈单元是整流器，变压器，第一二极管，电容器，电压采样反馈单元，脉宽调制（PWM）控制器，电池电压反馈单元和半导体开关元件 添加到充电器中以检测端子的电池电压，并且将检测到的端子的电池电压反馈到充电器内部的电压采样反馈单元，使得电压采样反馈单元可以实际地调节充电器的输出电压 时间根据终端的实际电池电压，因此随着终端的电池电压的增加，充电器的输出电压逐渐上升，从而有效地降低了充电器的能量消耗，达到了节能的目的。

公开(公告)号：US09190968B2

公开(公告)日：2015-11-17

申请号：US13647013

申请日：2012-10-08

Applicant: HUAWEI DEVICE CO., LTD.

Inventor： Zufeng Guo ,  Ping Li ,  Conglong Xie ,  Gang Zhang

IPC: H01Q11/12 ,  H04B1/04 ,  H03F3/24 ,  H03F1/02 ,  H03F1/30 ,  H03F3/189

CPC classification number: H03F3/24 ,  H03F1/0222 ,  H03F1/025 ,  H03F1/0255 ,  H03F1/30 ,  H03F1/304 ,  H03F3/189 ,  H03F2200/105 ,  H03F2200/451 ,  H03F2200/462 ,  H03F2200/465 ,  H03F2200/468

Abstract: A voltage driving apparatus (1) for a power amplifier, a power amplifying system, a power supply device and a communication device are disclosed. The voltage driving apparatus (1) for the power amplifier includes a voltage input module (11), a voltage output module (12), a signal input module (13), and a control module (14). The voltage output module (12) is connected to the power amplifier to provide a voltage. The signal input module (13) is configured to receive a variable input electric signal. The control module (14) is electrically connected to the voltage input module (11), the voltage output module (12), and the signal input module (13) and configured to dynamically adjust the output voltage of the voltage output module (12) according to the variable input electric signal received by the signal input module (13).

Abstract translation: 公开了一种用于功率放大器，功率放大系统，电源装置和通信装置的电压驱动装置（1）。 用于功率放大器的电压驱动装置（1）包括电压输入模块（11），电压输出模块（12），信号输入模块（13）和控制模块（14）。 电压输出模块（12）连接到功率放大器以提供电压。 信号输入模块（13）被配置为接收可变输入电信号。 控制模块（14）电连接到电压输入模块（11），电压输出模块（12）和信号输入模块（13）并被配置为动态地调节电压输出模块（12）的输出电压， 根据由信号输入模块（13）接收的可变输入电信号。

公开(公告)号：US20140361733A1

公开(公告)日：2014-12-11

申请号：US14464899

申请日：2014-08-21

Applicant: Huawei Device Co., Ltd.

Inventor： Xiongwei Zhu ,  Konggang Wei ,  Zufeng Guo

IPC: H02J7/00

CPC classification number: H02J7/0052 ,  H02J7/022 ,  H02J2007/0059 ,  H02M3/33507 ,  H02M3/33569 ,  H02M2001/0045 ,  Y02B40/90

Abstract: A charger and a charging system are provided. The charger includes: a rectifier, a transformer, a first diode, a capacitor, a voltage sampling feedback unit, a pulse width modulation (PWM) controller, a battery voltage feedback unit and a semiconductor switching component, where the battery voltage feedback unit is added in the charger to detect battery voltage of a terminal, and the detected battery voltage of the terminal is fed back to a voltage sampling feedback unit inside the charger, so that the voltage sampling feedback unit can adjust an output voltage of the charger in real time according to an actual battery voltage of the terminal, and therefore, the output voltage of the charger gradually rises along with an increase of the battery voltage of the terminal, thereby effectively reducing energy consumption of the charger and achieving a purpose of energy saving.

Abstract translation: 提供充电器和充电系统。 充电器包括：电池电压反馈单元是整流器，变压器，第一二极管，电容器，电压采样反馈单元，脉宽调制（PWM）控制器，电池电压反馈单元和半导体开关元件 添加到充电器中以检测端子的电池电压，并且将检测到的端子的电池电压反馈到充电器内部的电压采样反馈单元，使得电压采样反馈单元可以实际地调节充电器的输出电压 时间根据终端的实际电池电压，因此随着终端的电池电压的增加，充电器的输出电压逐渐上升，从而有效地降低了充电器的能量消耗，达到了节能的目的。

公开(公告)号：US20140010390A1

公开(公告)日：2014-01-09

申请号：US14020050

申请日：2013-09-06

Applicant: HUAWEI DEVICE CO., LTD.

Inventor： Xiangdang ZHANG ,  Zufeng Guo

IPC: H04R5/04

CPC classification number: H04R5/04 ,  H04N5/765 ,  H04N21/43632

Abstract: An audio and video signal transmission interface apparatus includes a left sound channel interface, a right sound channel interface, a multimedia terminal interface, and a ground interface; where a first power supply and a first resistor are connected in series in the multimedia terminal interface; and the apparatus further includes a voltage detecting module, a determining module, a control module, and a second resistor connected in series in the multimedia terminal interface, where a resistance value of the second resistor is greater than an internal resistance value of an audio and video terminal and smaller than an internal resistance value of a microphone terminal in reverse connection; the determining module identifies different types of transmission lines by using a voltage value measured by the voltage detecting module; and the control module is configured to implement adaptation of different transmission lines.

Abstract translation: 音频和视频信号传输接口设备包括左声道接口，右声道接口，多媒体终端接口和接地接口; 其中第一电源和第一电阻串联连接在多媒体终端接口中; 并且该装置还包括在多媒体终端接口中串联连接的电压检测模块，确定模块，控制模块和第二电阻器，其中第二电阻器的电阻值大于音频的内部电阻值， 视频终端，小于反向连接的麦克风端子的内部电阻值; 确定模块通过使用由电压检测模块测量的电压值来识别不同类型的传输线; 并且所述控制模块被配置为实现不同传输线路的适配。

公开(公告)号：US09351076B2

公开(公告)日：2016-05-24

申请号：US14020050

申请日：2013-09-06

Applicant: HUAWEI DEVICE CO., LTD.

Inventor： Xiangdang Zhang ,  Zufeng Guo

IPC: H04H20/48 ,  H04R5/04 ,  H04N5/765 ,  H04N21/4363

CPC classification number: H04R5/04 ,  H04N5/765 ,  H04N21/43632

Abstract: An audio and video signal transmission interface apparatus includes a left sound channel interface, a right sound channel interface, a multimedia terminal interface, and a ground interface; where a first power supply and a first resistor are connected in series in the multimedia terminal interface; and the apparatus further includes a voltage detecting module, a determining module, a control module, and a second resistor connected in series in the multimedia terminal interface, where a resistance value of the second resistor is greater than an internal resistance value of an audio and video terminal and smaller than an internal resistance value of a microphone terminal in reverse connection; the determining module identifies different types of transmission lines by using a voltage value measured by the voltage detecting module; and the control module is configured to implement adaptation of different transmission lines.

Abstract translation: 音频和视频信号传输接口设备包括左声道接口，右声道接口，多媒体终端接口和接地接口; 其中第一电源和第一电阻串联连接在多媒体终端接口中; 并且该装置还包括在多媒体终端接口中串联连接的电压检测模块，确定模块，控制模块和第二电阻器，其中第二电阻器的电阻值大于音频的内部电阻值， 视频终端，小于反向连接的麦克风端子的内部电阻值; 确定模块通过使用由电压检测模块测量的电压值来识别不同类型的传输线; 并且所述控制模块被配置为实现不同传输线路的适配。