Electronic device and method of detecting efficiency of charging

    公开(公告)号:US09780599B2

    公开(公告)日:2017-10-03

    申请号:US14859372

    申请日:2015-09-21

    CPC classification number: H02J7/025 H02J50/10 H02J50/80 H02J50/90

    Abstract: An electronic device includes an energy collection circuit, a rectifier circuit, and a control unit. The energy collection circuit receives an energy signal transmitted via transmission frequency from a wireless charger base. The rectifier circuit generates a drive voltage according to the energy signal. The control unit compares the drive voltage with a reference voltage, and compares the transmission frequency with a reference frequency. When the drive voltage is less than or equals to the reference voltage, or when the transmission frequency is lower than or equals to the reference frequency, the control unit outputs position deviation information. The electronic device detects the efficiency of the wireless charging, and reminds the user whether the position of the electronic device needs to be adjusted, which ensures an efficient charging.

    Charging circuit and charging method of battery

    公开(公告)号:US09716404B2

    公开(公告)日:2017-07-25

    申请号:US14576185

    申请日:2014-12-18

    CPC classification number: H02J7/045 H02J7/041 Y02B40/90

    Abstract: A charging circuit and a charging method of a battery are disclosed. The charging circuit provides a charging current to charge the battery. The charging circuit includes a charging control module, a current detecting module and a compensation module. The charging control module provides a charging voltage. The current detecting module detects the charging current, and generates a detecting voltage according to the charging current. The compensation module detects the charging voltage, and provides a feedback voltage to the charging control module according to the detecting voltage and the charging voltage.

    Signal analysis circuit and signal analysis method thereof
    3.
    发明授权
    Signal analysis circuit and signal analysis method thereof 有权
    信号分析电路及其信号分析方法

    公开(公告)号:US09529023B2

    公开(公告)日:2016-12-27

    申请号:US14961905

    申请日:2015-12-08

    CPC classification number: G01R19/04

    Abstract: A signal analysis circuit and a signal analysis method thereof are disclosed. The signal analysis circuit includes a peak detector, a subtraction amplifying unit, and a compare unit. The peak detector obtains a peak value of a first voltage signal to generate a second voltage signal. The subtraction amplifying unit generates a compare voltage signal according to the second voltage signal, and amplifies a voltage value difference between the second voltage signal and the compare voltage signal to generate a third voltage signal. A peak-to-peak value of the third voltage signal is larger than a peak-to-peak value of the second voltage signal. The compare unit compares the voltage value of the third voltage signal and the voltage value of the compare voltage signal to generate an output voltage signal. In such a manner, a new signal analysis circuit can be realized.

    Abstract translation: 公开了信号分析电路及其信号分析方法。 信号分析电路包括峰值检测器,减法放大单元和比较单元。 峰值检测器获得第一电压信号的峰值以产生第二电压信号。 减法放大单元根据第二电压信号生成比较电压信号,并且放大第二电压信号和比较电压信号之间的电压值差以产生第三电压信号。 第三电压信号的峰 - 峰值大于第二电压信号的峰 - 峰值。 比较单元比较第三电压信号的电压值和比较电压信号的电压值,以产生输出电压信号。 以这种方式,可以实现新的信号分析电路。

    POWER SUPPLY CONTROL METHOD AND PORTABLE ELECTRONIC DEVICE USING THE SAME
    4.
    发明申请
    POWER SUPPLY CONTROL METHOD AND PORTABLE ELECTRONIC DEVICE USING THE SAME 有权
    电源控制方法及其使用的便携式电子设备

    公开(公告)号:US20160181831A1

    公开(公告)日:2016-06-23

    申请号:US14791256

    申请日:2015-07-03

    Abstract: A power supply control method and a portable electronic device using the same are provided. The power supply control method includes following steps: detecting an input voltage and an input current at a power input terminal of the portable electronic device; setting a plurality of detection loads sequentially to control a power adaptor to provide a detection current as the input current for the portable electronic device respectively; calculating an equivalent input impedance of the power input terminal according to the detection current and the corresponding input voltage; calculating an actual output voltage of the power adaptor according to the equivalent input impedance, the input voltage, and the input current; and setting a work load according to the actual output voltage to control the power adaptor to provide a work current as the input current for the portable electronic device.

    Abstract translation: 提供电源控制方法和使用其的便携式电子设备。 电源控制方法包括以下步骤:检测便携式电子设备的电力输入端的输入电压和输入电流; 依次设置多个检测负载来控制电源适配器,分别提供检测电流作为便携式电子设备的输入电流; 根据检测电流和相应的输入电压计算电源输入端的等效输入阻抗; 根据等效输入阻抗,输入电压和输入电流计算电源适配器的实际输出电压; 并根据实际的输出电压设定工作负荷,以控制电源适配器,以提供工作电流作为便携式电子设备的输入电流。

    WIRELESS COMMUNICATION APPARATUS AND ANTENNA SYSTEM THEREOF
    5.
    发明申请
    WIRELESS COMMUNICATION APPARATUS AND ANTENNA SYSTEM THEREOF 有权
    无线通信装置及其天线系统

    公开(公告)号:US20160126777A1

    公开(公告)日:2016-05-05

    申请号:US14925976

    申请日:2015-10-29

    CPC classification number: H02J50/27

    Abstract: A wireless power supply and power receiving device includes a sensor, a control module, a coil module and a rectifying and switching module. The control module determines a position or a direction of the wireless power supply and power receiving device according to the sensor, and the rectifying and switching module selectively operates in a wireless power supply mode or a wireless power receiving mode according to the position or the direction. When in the wireless power supply mode, the rectifying and switching module converts the power energy to wireless power energy to provide power to a first external device by using the coil module. When in the wireless power receiving mode, the rectifying and switching module receives wireless power energy from a second external device via the coil module.

    Abstract translation: 无线电源和电力接收装置包括传感器,控制模块,线圈模块和整流和开关模块。 控制模块根据传感器确定无线电源和电力接收装置的位置或方向,并且整流和切换模块根据位置或方向选择性地以无线供电模式或无线电力接收模式操作 。 当处于无线电源模式时,整流和开关模块将功率能量转换为无线功率能量,以通过使用线圈模块向第一外部设备供电。 当处于无线电力接收模式时,整流和开关模块经由线圈模块从第二外部设备接收无线电力能量。

    Wireless charging device
    6.
    发明授权
    Wireless charging device 有权
    无线充电设备

    公开(公告)号:US09325198B2

    公开(公告)日:2016-04-26

    申请号:US14197693

    申请日:2014-03-05

    CPC classification number: H02J50/40 H02J7/025 H02J7/042 H02J17/00 H02J50/10

    Abstract: A wireless charging device includes a plurality of power supply modules, a control unit and a charge module. Each of the power supply modules includes a receiver and a conduction circuit. The receiver outputs an induction current. The conduction circuit is coupled to the receiver and generates an output signal according to the induction current. The control unit is coupled to the power supply modules and generates a control signal according to the induction current outputted by the receivers. The charge module is coupled to the power supply modules and generates a charge current according to the output signal generated from the power supply modules. The control unit adjusts the maximum value of the charge current according to the number of the power supply modules which generate the induction current.

    Abstract translation: 无线充电装置包括多个电源模块,控制单元和充电模块。 每个电源模块包括接收器和导通电路。 接收器输出感应电流。 导通电路耦合到接收器,并根据感应电流产生输出信号。 控制单元耦合到电源模块,并根据接收器输出的感应电流产生控制信号。 充电模块耦合到电源模块,并根据从电源模块产生的输出信号产生充电电流。 控制单元根据产生感应电流的电源模块的数量来调整充电电流的最大值。

    Charging method using compensation impedance in CV charging mode

    公开(公告)号:US09837836B2

    公开(公告)日:2017-12-05

    申请号:US14751166

    申请日:2015-06-26

    CPC classification number: H02J7/0029 H02J7/007 H02J7/0083 H02J2007/0037

    Abstract: A charging method and a portable electronic device using the same are provided. The charging method includes following steps: detecting a battery voltage and a charging current of a battery module; determining whether the portable electronic device operates at a constant voltage (CV) charging mode; executing an impedance calculation at the CV charging mode to obtain a first battery voltage corresponding to a first predetermined current and a second battery voltage corresponding to a second predetermined current; calculating a compensation impedance according to the predetermined current and the battery voltages; setting a maximum charging voltage according to the compensation impedance and executing a CV charging to the battery module accordingly; determining whether a current variation of the charging current is larger than a threshold value; re-executing the impedance calculation; updating a setting value of the maximum charging voltage when the current variation is larger than the threshold value.

    Wireless communication apparatus and antenna system thereof

    公开(公告)号:US09831725B2

    公开(公告)日:2017-11-28

    申请号:US14925976

    申请日:2015-10-29

    CPC classification number: H02J50/27

    Abstract: A wireless power supply and power receiving device includes a sensor, a control module, a coil module and a rectifying and switching module. The control module determines a position or a direction of the wireless power supply and power receiving device according to the sensor, and the rectifying and switching module selectively operates in a wireless power supply mode or a wireless power receiving mode according to the position or the direction. When in the wireless power supply mode, the rectifying and switching module converts the power energy to wireless power energy to provide power to a first external device by using the coil module. When in the wireless power receiving mode, the rectifying and switching module receives wireless power energy from a second external device via the coil module.

    Electronic device and method for recognizing output power of power supply thereof

    公开(公告)号:US09753512B2

    公开(公告)日:2017-09-05

    申请号:US14620189

    申请日:2015-02-12

    CPC classification number: G06F1/266 G06F1/3203 G06F1/324

    Abstract: An electronic device and a method for recognizing output power of a power supply thereof are provided. The electronic device includes a host and a power supply. The power supply is coupled to the host, receives an input power and converts the input power to a supplied power. The power supply transmits the supplied power to the host, and loads a notification signal to the supplied power in at least a time period. The acknowledge signal is a periodic clock signal, and corresponds to the output power of the power supply. The power supply loads the acknowledge signal to the supplied power in one or more time periods, and transmits the acknowledge signal to the corresponding host. The host can get the output power of the power supply via the acknowledge signal, which can improve efficiency and security of the supplied power.

    CHARGING METHOD AND PORTABLE ELECTRONIC DEVICE USING THE SAME
    10.
    发明申请
    CHARGING METHOD AND PORTABLE ELECTRONIC DEVICE USING THE SAME 审中-公开
    使用该方法的充电方法和便携式电子设备

    公开(公告)号:US20160218531A1

    公开(公告)日:2016-07-28

    申请号:US15003779

    申请日:2016-01-21

    CPC classification number: H02J7/0029 H02J7/0073 H02J2007/0037

    Abstract: A charging method of a portable electronic device, adapted to charge a battery module of a portable electronic device, the charging method comprising detecting a battery voltage and a charging current of the battery module; determining whether the portable electronic device operates at a constant current mode according to the battery voltage; entering an over voltage protection charging loop while the portable electronic device operates at the constant current mode and allows the battery module to be charged up at a maximum charging voltage, and leaving the over voltage protection charging loop while the charging current is smaller than a predetermined current, wherein the maximum charging voltage is gradually decreased according to a comparison result between the battery voltage and an overcharging protection voltage; and setting the maximum charging voltage as a full charge voltage while leaving the over voltage protection charging loop.

    Abstract translation: 一种便携式电子设备的充电方法,适用于对便携式电子设备的电池模块进行充电,所述充电方法包括检测所述电池模块的电池电压和充电电流; 确定便携式电子设备是否根据电池电压在恒定电流模式下工作; 当便携式电子设备在恒定电流模式下工作时,进入过电压保护充电回路,并允许电池模块以最大充电电压充电,并且在充电电流小于预定的电流时留下过电压保护充电回路 电流,其中根据电池电压和过充电保护电压之间的比较结果,最大充电电压逐渐降低; 并将最大充电电压设置为完全充电电压,同时留下过电压保护充电回路。

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