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    • 2. 发明授权
    • Method and apparatus for handling a charging state in a mobile electronic device
    • 用于处理移动电子设备中的充电状态的方法和装置
    • US07663338B2
    • 2010-02-16
    • US11026443
    • 2004-12-30
    • Martin G. A. GuthrieDusan VeselicAlexei SkarineMichael F. Habicher
    • Martin G. A. GuthrieDusan VeselicAlexei SkarineMichael F. Habicher
    • H02J7/00F21L4/00H04N5/225H01M2/10H04B1/38
    • G06F1/266G06F1/263H02J7/0052H02J2007/0062
    • In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile electronic device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processing device may be used to execute programs and to control operation of the mobile device. The processing device may be operable to receive an enumeration acknowledgement signal from the USB host via the USB interface and generate an enable signal upon receiving the enumeration acknowledgement signal. A rechargeable battery may be used to power the processing device. A battery charger may be used to receive a USB bus voltage from the USB interface and use the USB bus voltage to power the processing device and to charge the rechargeable battery. The battery charger may be further operable to receive a charge enable signal that enables and disables the battery charger from powering the processing device and charging the rechargeable battery. A timing circuit may be used to detect the USB bus voltage and to measure the passage of a pre-determined amount of time upon detecting the USB bus voltage. A battery charger enabling circuit may be used to generate the charge enable signal to control the battery charger, the battery charger enabling the battery charger if the timer has measured the passage of the pre-determined amount of time or the enable signal is received from the processing device.
    • 根据本文所述的教导,提供了一种用于在移动电子设备中处理充电状态的方法和装置。 通用串行总线(USB)接口可用于将移动设备连接到USB主机。 处理装置可以用于执行程序并且控制移动装置的操作。 处理设备可以操作以经由USB接口从USB主机接收枚举确认信号,并且在接收到枚举确认信号时产生使能信号。 可以使用可充电电池为处理装置供电。 可以使用电池充电器从USB接口接收USB总线电压,并使用USB总线电压为处理设备供电并为可充电电池充电。 电池充电器可以进一步操作以接收充电使能信号,该充电使能信号使能和禁用电池充电器为处理装置供电并对可再充电电池充电。 可以使用定时电路来检测USB总线电压并且在检测到USB总线电压时测量预定量的时间的通过。 可以使用电池充电器使能电路来产生充电使能信号以控制电池充电器,如果定时器已经测量了预定时间量的通过或者从 处理装置。
    • 6. 发明授权
    • Method and apparatus for controlling a charging state in a mobile electronic device
    • 用于控制移动电子设备中的充电状态的方法和装置
    • US07679316B2
    • 2010-03-16
    • US11026590
    • 2004-12-30
    • Martin G. A. GuthrieDusan VeselicAlexei SkarineMichael F. Habicher
    • Martin G. A. GuthrieDusan VeselicAlexei SkarineMichael F. Habicher
    • H02J7/00
    • G06F1/266G06F1/263G06F13/385H02J7/0054H02J7/0068
    • In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processing device may be used to execute programs and to control operation of the mobile device, the processing device may be further operable to receive an enumeration acknowledgement signal from the USB host via the USB interface. A rechargeable battery may be used for powering the processing device. A voltage regulator may be coupled to the USB interface and operable to receive a USB bus voltage from the USB interface and use the USB bus voltage to power the processing device. A timing circuitry may be used to disable the voltage regulator from powering the processing device after a pre-determined amount of time has expired, the timing circuitry being operable to measure the passage of the pre-determined amount of time upon detecting the USB bus voltage. A battery charger may be used to receive the USB bus voltage from the USB interface and use the USB bus voltage to power the processing device and to charge the rechargeable battery. The processing device may enable the battery charger to power the processing device and to charge the rechargeable battery when the enumeration acknowledgement signal is received from the USB host.
    • 根据本文所述的教导,提供了一种用于在移动设备中处理充电状态的方法和装置。 通用串行总线(USB)接口可用于将移动设备连接到USB主机。 处理设备可以用于执行程序并控制移动设备的操作,处理设备还可以用于经由USB接口从USB主机接收枚举确认信号。 可以使用可充电电池为处理装置供电。 电压调节器可以耦合到USB接口并且可操作以从USB接口接收USB总线电压,并且使用USB总线电压为处理设备供电。 可以使用定时电路来在预定量的时间期满之后禁止电压调节器对处理装置供电,定时电路可操作以在检测到USB总线电压时测量预定时间量的通过 。 可以使用电池充电器从USB接口接收USB总线电压,并使用USB总线电压为处理设备供电并为可充电电池充电。 当从USB主机接收到枚举确认信号时,处理装置可以使得电池充电器为处理装置供电并对可再充电电池充电。
    • 7. 发明申请
    • Circuit and Method of Operation for an Electrical Power Supply
    • 电源的电路和操作方法
    • US20100219797A1
    • 2010-09-02
    • US12696655
    • 2010-01-29
    • Dusan VeselicMartin G. A. Guthrie
    • Dusan VeselicMartin G. A. Guthrie
    • H02J7/04
    • H02J7/0068H02J7/0073Y10T307/414
    • A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power.
    • 一种电池充电电路,包括:具有连接到可再充电电池的输出的半导体开关; 电池充电控制器,用于从外部源接收电力,并向便携式设备和半导体开关的输入提供输出电力,电池充电控制器的电流输出是可控的; 以及电压感测电路,用于:测量电池充电控制器两端的电压降; 并且通过调制半导体开关来响应电池充电控制器上的电压降,以减小当电压降太大时提供给可再充电电池的电流量; 由此控制由电池充电控制器消耗的总功率,便携式设备接收其所需的电力并且可充电电池接收任何额外的可用功率。
    • 8. 发明授权
    • Circuit and method of operation for an electrical power supply
    • 电源的电路和操作方法
    • US07906940B2
    • 2011-03-15
    • US12860591
    • 2010-08-20
    • Dusan VeselicMartin G. A. Guthrie
    • Dusan VeselicMartin G. A. Guthrie
    • H02J7/00H02J7/04H02J7/14G01R19/12
    • H02J7/0068H02J7/0073Y10T307/414
    • A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power.
    • 一种电池充电电路,包括:具有连接到可再充电电池的输出的半导体开关; 电池充电控制器,用于从外部源接收电力,并向便携式设备和半导体开关的输入提供输出电力,电池充电控制器的电流输出是可控的; 以及电压感测电路,用于:测量电池充电控制器两端的电压降; 并且通过调制半导体开关来响应电池充电控制器上的电压降,以减小当电压降太大时提供给可再充电电池的电流量; 由此控制由电池充电控制器消耗的总功率,便携式设备接收其所需的电力并且可充电电池接收任何额外的可用功率。