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公开(公告)号：US10116157B2
公开(公告)日：2018-10-30
申请号：US15212852
申请日：2016-07-18
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Wei Sun , Xiangdong Wang
Abstract: Methods and devices are disclosed for efficient power charging of a battery in one electronic device by another electronic device. In one embodiment, a method may include establishing an electrical connection between a first electronic device and a second electronic device; acquiring, by the second electronic device via the electrical connection, real-time charging voltage information of a battery in the first electronic device, wherein the real-time charging voltage information varies with a charge state of the battery in the first electronic device; and controlling by the second electronic device, during charging of the battery in the first electronic device by the second electronic device, an output voltage of the second electronic device to charge the battery of the first electronic device according to the real-time charging voltage information.
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公开(公告)号：US09712974B2
公开(公告)日：2017-07-18
申请号：US14946987
申请日：2015-11-20
Applicant: Xiaomi Inc.
Inventor： Xiangdong Wang , Zhenghai Wu , Feng Guo
CPC classification number: H04W4/027 , G01S11/10 , G01S19/52 , H04L27/0014 , H04L2027/0036 , H04L2027/0046 , H04L2027/0083 , H04W56/0035
Abstract: A method for demodulating a signal is provided. The method includes: acquiring a reference clock signal provided by a power management unit (PMU) in a mobile terminal; determining a moving velocity of the mobile terminal; determining, based on the moving velocity, a Doppler frequency shift value generated when the mobile terminal receives a radio frequency (RF) signal transmitted by a base station; and demodulating, according to the reference clock signal and the Doppler frequency shift value, the received RF signal.
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公开(公告)号：US20160188520A1
公开(公告)日：2016-06-30
申请号：US14833143
申请日：2015-08-24
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Wei Sun , Xiangdong Wang
CPC classification number: G06F13/4068 , G06F13/4282
Abstract: The present disclosure relates to an electronic device and a data transmission system. A first electronic device includes a micro universal serial bus (USB) interface, a central processing unit (CPU) and a diode, wherein a pull-circuit for an identity (ID) pin of the CPU is coupled to a line between the ID pin of the CPU and an ID pin of the micro USB interface; the diode is coupled between the ID pin of the CPU and the ID pin of the micro USB interface, and is coupled between the pull-up circuit and the ID pin of the micro USB interface; the diode has a conducting direction from the ID pin of the CPU to the ID of the micro USB interface. With the present disclosure, the electronic device may be prevented from being damaged.
Abstract translation: 本公开涉及一种电子设备和数据传输系统。 第一电子设备包括微通用串行总线（USB）接口，中央处理单元（CPU）和二极管，其中用于CPU的身份（ID）引脚的拉电路耦合到ID引脚 的CPU和微型USB接口的ID引脚; 二极管耦合在CPU的ID引脚和微型USB接口的ID引脚之间，并连接在上拉电路和微型USB接口的ID引脚之间; 二极管具有从CPU的ID引脚到微型USB接口的ID的导电方向。 通过本公开，可以防止电子设备被损坏。
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公开(公告)号：US09984030B2
公开(公告)日：2018-05-29
申请号：US14833143
申请日：2015-08-24
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Wei Sun , Xiangdong Wang
CPC classification number: G06F13/4068 , G06F13/4282
Abstract: The present disclosure relates to an electronic device and a data transmission system. A first electronic device includes a micro universal serial bus (USB) interface, a central processing unit (CPU) and a diode, wherein a pull-circuit for an identity (ID) pin of the CPU is coupled to a line between the ID pin of the CPU and an ID pin of the micro USB interface; the diode is coupled between the ID pin of the CPU and the ID pin of the micro USB interface, and is coupled between the pull-up circuit and the ID pin of the micro USB interface; the diode has a conducting direction from the ID pin of the CPU to the ID of the micro USB interface. With the present disclosure, the electronic device may be prevented from being damaged.
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公开(公告)号：US20160080906A1
公开(公告)日：2016-03-17
申请号：US14946987
申请日：2015-11-20
Applicant: Xiaomi Inc.
Inventor： Xiangdong Wang , Zhenghai Wu , Feng Guo
CPC classification number: H04W4/027 , G01S11/10 , G01S19/52 , H04L27/0014 , H04L2027/0036 , H04L2027/0046 , H04L2027/0083 , H04W56/0035
Abstract: A method for demodulating a signal is provided. The method includes: acquiring a reference clock signal provided by a power management unit (PMU) in a mobile terminal; determining a moving velocity of the mobile terminal; determining, based on the moving velocity, a Doppler frequency shift value generated when the mobile terminal receives a radio frequency (RF) signal transmitted by a base station; and demodulating, according to the reference clock signal and the Doppler frequency shift value, the received RF signal.
Abstract translation: 提供一种解调信号的方法。 该方法包括：获取由移动终端中的功率管理单元（PMU）提供的参考时钟信号; 确定移动终端的移动速度; 基于移动速度确定当移动终端接收到由基站发送的射频（RF）信号时产生的多普勒频移值; 并根据参考时钟信号和多普勒频移值解调所接收的RF信号。
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Patent Agency Ranking
公开(公告)号：US09857835B2
公开(公告)日：2018-01-02
申请号：US14582203
申请日：2014-12-24
Applicant: Xiaomi Inc.
Inventor： Wei Sun , Zhenfei Lei , Xiangdong Wang
CPC classification number: G06F1/1626 , G01D5/145 , G06F1/1677 , G06F2200/1633 , G06F2200/1634
Abstract: A device having a protective cover includes an electronic device and a protective cover; the electronic device includes a screen and a Hall sensor; the protective cover is provided with a magnet body including at least two magnets, in which at least one magnet having magnetic lines that pass through the Hall sensor when the protective cover covers on the screen. By providing at least two magnets in the protective cover, when the protective cover covers and moves on the screen, the magnetic lines of at least one magnet of the two magnets are able to pass through the Hall sensor in the electronic device.
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公开(公告)号：US20160190836A1
公开(公告)日：2016-06-30
申请号：US14856568
申请日：2015-09-17
Applicant: Xiaomi Inc.
Inventor： Wei Sun , Changyu Sun , Xiangdong Wang
CPC classification number: H02J7/0031 , G01R1/203 , G01R31/364 , G01R31/3835 , H02H7/18 , H02J7/0068 , H02J7/0081 , H02J2007/0037 , H02J2007/0039 , H02J2007/004
Abstract: The present disclosure relates to an apparatus and a method for detecting voltage of a battery and the battery thereof. The apparatus for detecting voltage includes: a voltage detection module, and an electric wire; wherein a segment of the electric wire is configured as a wire resistor, and detecting terminals of the voltage detection module are connected to two terminals of the wire resistor via measuring lines respectively.
Abstract translation: 本公开涉及一种用于检测电池及其电池的电压的装置和方法。 用于检测电压的装置包括：电压检测模块和电线; 其特征在于，所述电线的一部分被配置为线电阻，所述电压检测模块的检测端子分别经由测量线连接到所述线电阻器的两端。
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公开(公告)号：US10205332B2
公开(公告)日：2019-02-12
申请号：US15214462
申请日：2016-07-20
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Wei Sun , Xiangdong Wang
Abstract: A charging method is provided. The method includes: receiving a direction setting signal, and determining a charging direction according to the direction setting signal; determining a charging operation as charging a slave device with a master device when the charging direction is a first charging direction; determining the charging operation as charging the master device with the slave device when the charging direction is a second charging direction opposite to the first charging direction; and sending to a power management module of the master device and to a power management module of the slave device a charging instruction according to the charging operation determined. Accordingly, two smart devices connected through a connecting line may be charged by each other according to a user-defined charging direction.
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公开(公告)号：US10572424B2
公开(公告)日：2020-02-25
申请号：US15384820
申请日：2016-12-20
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Xiangdong Wang , Wei Sun
IPC: G06F13/40 , G06F13/42 , G06F13/364 , G06F13/38
Abstract: A method of switching an apparatus state of a first apparatus having a first universal serial bus (USB) interface connected via a connecting wire with a second USB interface of a second apparatus is provided. The method may include receiving a state switching instruction, setting a level of a configuration channel (CC) in a USB interface circuit corresponding to the first USB interface from a first high level to a first low level via a logic controller of the first apparatus when the state switching instruction instructs the first apparatus to perform a master-to-slave switch, and setting the level of the CC in the USB interface circuit corresponding to the first USB interface from the first low level to the first high level via the logic controller of the first apparatus when the state switching instruction instructs the first apparatus to perform a slave-to-master switch.
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公开(公告)号：US10063079B2
公开(公告)日：2018-08-28
申请号：US15212852
申请日：2016-07-18
Applicant: Xiaomi Inc.
Inventor： Zhenfei Lei , Wei Sun , Xiangdong Wang
Abstract: Methods and devices are disclosed for efficient power charging of a battery in one electronic device by another electronic device. In one embodiment, a method may include establishing an electrical connection between a first electronic device and a second electronic device; acquiring, by the second electronic device via the electrical connection, real-time charging voltage information of a battery in the first electronic device, wherein the real-time charging voltage information varies with a charge state of the battery in the first electronic device; and controlling by the second electronic device, during charging of the battery in the first electronic device by the second electronic device, an output voltage of the second electronic device to charge the battery of the first electronic device according to the real-time charging voltage information.
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