Apparatus and method for balancing charge capacity of battery cell
    31.
    发明授权
    Apparatus and method for balancing charge capacity of battery cell 有权
    用于平衡电池单元的充电容量的装置和方法

    公开(公告)号:US08773070B2

    公开(公告)日:2014-07-08

    申请号:US13242730

    申请日:2011-09-23

    IPC分类号: H02J7/00

    CPC分类号: H02J7/0016 Y02T10/7055

    摘要: An apparatus for balancing charge capacity of battery cell includes a voltage sensing/discharging circuit having a battery with cell group, a switching unit for selectively connecting both terminals of each battery cell to conductive lines, capacitor connected to the conductive lines, a voltage amplifying unit connected to both terminals of capacitor via a first switch, and a discharge resistance connected to both terminals of capacitor via a second switch; and a voltage balancing unit for controlling the switching unit in ON state of first switch to connect both terminals of each battery cell to the conductive lines and then sense voltage of each battery cell through the voltage amplifying unit, and controlling the switching unit in OFF state of first switch to charge voltage of balancing-requiring cell to the capacitor and then turning on the second switch to discharge charged voltage of capacitor through the discharge resistance.

    摘要翻译: 用于平衡电池单元的充电容量的装置包括具有电池组的电压感测/放电电路,用于选择性地将每个电池单元的端子与导线相连的开关单元,连接到导线的电容器,电压放大单元 经由第一开关连接到电容器的两个端子,以及经由第二开关连接到电容器两端的放电电阻; 以及电压平衡单元,用于将开关单元控制在第一开关的接通状态,以将每个电池单元的两个端子连接到导线,然后通过电压放大单元感测每个电池单元的电压,并将开关单元控制在OFF状态 首先切换到平衡需求单元的电荷到电容器,然后接通第二开关以通过放电电阻放电电容器的充电电压。

    Method and apparatus for detecting abnormality of current sensor in battery pack
    32.
    发明授权
    Method and apparatus for detecting abnormality of current sensor in battery pack 有权
    用于检测电池组中电流传感器异常的方法和装置

    公开(公告)号:US08390296B2

    公开(公告)日:2013-03-05

    申请号:US12911880

    申请日:2010-10-26

    IPC分类号: G01N27/416

    摘要: Disclosed are a method and an apparatus for detecting abnormality of a current sensor operative to measure a charge or discharge current of a battery pack. The method comprises measuring current and voltage of the battery pack; and detecting abnormality of the current sensor by comparing variations in current and voltage over a predetermined time with a current reference value and a voltage reference value, respectively.According to the present invention, it is capable of improving reliability of the battery pack, and in case that the current sensor is out of order, of protecting the battery pack from dangerous accidents such as explosion.

    摘要翻译: 公开了一种用于检测电流传感器的异常的方法和装置,其用于测量电池组的充电或放电电流。 该方法包括测量电池组的电流和电压; 并通过比较电流和电压在预定时间内的变化分别与电流参考值和电压参考值来检测电流传感器的异常。 根据本发明,能够提高电池组的可靠性,并且在电流传感器出故障的情况下,可以防止电池组等危险事故,例如爆炸。

    SHUTTER GLASSES FOR STEREOSCOPY, IMAGE DISPLAY SYSTEM COMPRISING THE SAME AND CONTROL METHOD THEREOF
    33.
    发明申请
    SHUTTER GLASSES FOR STEREOSCOPY, IMAGE DISPLAY SYSTEM COMPRISING THE SAME AND CONTROL METHOD THEREOF 审中-公开
    用于立体的切换玻璃,包括其的图像显示系统及其控制方法

    公开(公告)号:US20110115890A1

    公开(公告)日:2011-05-19

    申请号:US12905396

    申请日:2010-10-15

    IPC分类号: H04N13/04

    摘要: Disclosed are shutter glasses for viewing a stereoscopic image including: a left-eye shutter; a right-eye shutter; and a controller which generates an error signal indicating an error if at least one of a first and a second error condition exists, wherein the first error condition is internal to the shutter glasses, and the second error condition is external to the shutter glasses.

    摘要翻译: 公开了一种用于观看立体图像的快门眼镜,包括:左眼快门; 右眼快门; 以及如果存在第一和第二错误条件中的至少一个,则产生指示错误的错误信号的控制器,其中第一错误条件在快门眼镜内部,并且第二错误条件在快门眼镜外部。

    APPARATUS FOR ESTIMATING OPEN CIRCUIT VOLTAGE OF BATTERY, APPARATUS FOR ESTIMATING STATE OF CHARGE OF BATTERY, AND METHOD FOR CONTROLLING THE SAME
    34.
    发明申请
    APPARATUS FOR ESTIMATING OPEN CIRCUIT VOLTAGE OF BATTERY, APPARATUS FOR ESTIMATING STATE OF CHARGE OF BATTERY, AND METHOD FOR CONTROLLING THE SAME 有权
    用于估计电池的开路电压的装置,用于估计电池充电状态的装置,以及用于控制电池的方法

    公开(公告)号:US20100174499A1

    公开(公告)日:2010-07-08

    申请号:US12602935

    申请日:2008-08-22

    IPC分类号: G01R31/36

    CPC分类号: G01R31/36 G01R31/3651

    摘要: An apparatus for estimating an OCV of a battery includes a voltage sensing unit for measuring a battery output voltage; a temperature sensing unit for measuring a battery temperature; a data storing unit for periodically receiving the battery output voltage and temperature data from the sensing units and storing the data in a memory; an OCV variation estimating unit for calculating an OCV variation from a varying pattern of battery output voltages measured in the past and at the present, stored in the memory, by applying a mathematical model defining a correlation between the varying pattern and the OCV variation, and estimating an OCV at a current stage by reflecting a correction factor corresponding to the battery temperature on the calculated OCV variation; and an OCV estimating unit for estimating an OCV at the current stage by reflecting the estimated OCV variation on the OCV estimated at a last stage.

    摘要翻译: 用于估计电池的OCV的装置包括用于测量电池输出电压的电压感测单元; 用于测量电池温度的温度感测单元; 数据存储单元,用于周期性地从感测单元接收电池输出电压和温度数据,并将数据存储在存储器中; OCV变化估计单元,用于通过应用定义变化模式和OCV变化之间的相关性的数学模型来计算存储在存储器中的过去和当前测量的电池输出电压的变化模式的OCV变化,以及 通过反映与所计算的OCV变化相对应的电池温度的校正因子来估计当前阶段的OCV; 以及OCV估计单元,用于通过反映在最后阶段估计的OCV的估计OCV变化来估计当前阶段的OCV。

    LDC panel driver with self masking function using power on reset signal and driving method thereof
    35.
    发明申请
    LDC panel driver with self masking function using power on reset signal and driving method thereof 有权
    具有使用上电复位信号的自屏蔽功能的LDC面板驱动器及其驱动方法

    公开(公告)号:US20090322728A1

    公开(公告)日:2009-12-31

    申请号:US12387601

    申请日:2009-05-05

    IPC分类号: G09G5/00

    摘要: In a liquid crystal display (LCD) panel driver with a self-masking function using a power-on reset signal, and in a method of driving the same, the LCD panel driver includes a power-on reset signal generation unit that generates a power-on reset signal in response to a supply voltage applied to a LCD panel; a latch unit that receives a start pulse signal instructing that source lines of the LCD panel be driven and generates first and second set signals for setting an initial value of an output signal of a flip-flop to be in a predetermined default logic level, in response to the power-on reset signal; and a counter unit that generates a start pulse masking signal by masking at least one pulse of the start pulse signal in response to the first and second set signals and the start pulse signal.

    摘要翻译: 在具有使用上电复位信号的自屏蔽功能的液晶显示器(LCD)面板驱动器中,并且采用其驱动方法,LCD面板驱动器包括产生电源的上电复位信号生成单元 - 响应于施加到LCD面板的电源电压而复位信号; 锁存单元,其接收指示LCD面板的源极线被驱动的起始脉冲信号,并产生用于将触发器的输出信号的初始值设定为预定的默认逻辑电平的第一和第二设定信号, 响应上电复位信号; 以及计数器单元,其通过响应于第一和第二设置信号和起始脉冲信号屏蔽起始脉冲信号的至少一个脉冲来产生起始脉冲屏蔽信号。

    Method of estimating maximum output of battery for hybrid electric vehicle
    36.
    发明授权
    Method of estimating maximum output of battery for hybrid electric vehicle 有权
    混合动力汽车电池最大输出量估算方法

    公开(公告)号:US07518375B2

    公开(公告)日:2009-04-14

    申请号:US11368896

    申请日:2006-03-06

    IPC分类号: G01N27/416

    摘要: Disclosed is a method of estimating a maximum output of a battery for a hybrid electric vehicle (HEV). The method comprises extracting maximum charge/discharge outputs of the battery depending on a plurality of charged states (SOC) of the battery under which the vehicle is able to be driven and calculating an interrelation between them; extracting maximum charge/discharge outputs of the battery at plural temperatures under which the vehicle is able to be driven, and calculating an interrelation between them; extracting degradations of outputs of the battery as a capacity of the battery is discharged during the traveling, and calculating an interrelation between them; and based on the interrelations obtained, estimating a maximum output of the battery using a function.

    摘要翻译: 公开了一种估计混合动力车辆(HEV)的电池的最大输出的方法。 该方法包括根据能够驱动车辆的电池的多个充电状态(SOC)提取电池的最大充电/放电输出并计算它们之间的相互关系; 在能够驱动车辆的多个温度下提取电池的最大充电/放电输出,并计算它们之间的相互关系; 提取作为电池的容量的电池的输出的劣化在行驶期间被排出,并计算它们之间的相互关系; 并且基于获得的相互关系,使用功能估计电池的最大输出。

    Differential amplifier circuit capable of reducing current consumption
    37.
    发明授权
    Differential amplifier circuit capable of reducing current consumption 失效
    差分放大电路能够降低电流消耗

    公开(公告)号:US07295069B2

    公开(公告)日:2007-11-13

    申请号:US11265701

    申请日:2005-11-02

    申请人: Do-youn Kim

    发明人: Do-youn Kim

    IPC分类号: H03F3/45

    摘要: An integrated circuit device includes a differential amplifier, an output driver and a control circuit. The differential amplifier is responsive to a pair of differential input signals and may include a pull-down current source responsive to a pair of bias signals. The output driver has a pull-up path and pull-down path therein. These paths are joined together at an output node. The output driver has a first input terminal electrically coupled to a first output terminal of the differential amplifier. The control circuit is electrically coupled to the differential amplifier and a second input terminal of the output driver. The control circuit is configured to dispose the pull-down path in a nonconductive state when the output node is being switched low-to-high.

    摘要翻译: 集成电路装置包括差分放大器,输出驱动器和控制电路。 差分放大器响应于一对差分输入信号,并且可以包括响应于一对偏置信号的下拉电流源。 输出驱动器在其中具有上拉路径和下拉路径。 这些路径在输出节点处连接在一起。 输出驱动器具有电耦合到差分放大器的第一输出端的第一输入端。 控制电路电耦合到差分放大器和输出驱动器的第二输入端子。 控制电路被配置为当输出节点从低到高切换时将下拉路径配置在非导通状态。

    Output buffer with improved slew rate and method thereof
    38.
    发明授权
    Output buffer with improved slew rate and method thereof 有权
    输出缓冲器,具有改进的压摆率及其方法

    公开(公告)号:US07295047B2

    公开(公告)日:2007-11-13

    申请号:US11319232

    申请日:2005-12-28

    IPC分类号: H03B1/00

    摘要: An output buffer with an improved slew rate and method thereof. The output buffer may include a differential amplifier, a controller and an output unit. The output buffer may generate a pull signal and a control signal based on received input and output signals. The controller may transition an output node to a control voltage in response to the control signal and a bias voltage. The output unit may maintain the first output signal between a given voltage and the control voltage based on the pull signal and the bias voltage.

    摘要翻译: 具有改进的压摆率的输出缓冲器及其方法。 输出缓冲器可以包括差分放大器,控制器和输出单元。 输出缓冲器可以基于接收到的输入和输出信号产生拉动信号和控制信号。 控制器可以响应于控制信号和偏置电压而将输出节点转换到控制电压。 输出单元可以基于拉动信号和偏置电压来保持给定电压和控制电压之间的第一输出信号。

    Operational amplifier for output buffer and signal processing circuit using the same
    39.
    发明授权
    Operational amplifier for output buffer and signal processing circuit using the same 有权
    输出缓冲器和信号处理电路的运算放大器使用相同

    公开(公告)号:US07282990B2

    公开(公告)日:2007-10-16

    申请号:US11375952

    申请日:2006-03-15

    IPC分类号: G06G7/12

    摘要: An operational amplifier includes: a differential amplifier for differentially amplifying first and second differential input signals to generate first and second output signals through first and second nodes; a driver for driving an output node in response to the second output signal; and a drive current adjuster for adjusting a driving current of the driver in response to the first output signal. The drive current adjuster includes: a first transistor including a drain connected to the output node, a gate, and a source connected to a ground voltage; a second transistor including a gate connected to the first node, a drain, and a source connected to a source voltage; a third transistor including a drain connected to the drain of the second transistor, a source, and a gate connected to a first bias voltage; and a fourth transistor including a drain connected to the source of the third transistor, a source connected to the ground voltage, and a gate connected to a second bias voltage, wherein the gate of the first transistor is commonly connected to the drains of the second and third transistors.

    摘要翻译: 运算放大器包括:差分放大器,用于差分放大第一和第二差分输入信号,以通过第一和第二节点产生第一和第二输出信号; 用于响应于所述第二输出信号驱动输出节点的驱动器; 以及驱动电流调节器,用于响应于第一输出信号调整驱动器的驱动电流。 驱动电流调节器包括:第一晶体管,包括连接到输出节点的漏极,栅极和连接到接地电压的源极; 第二晶体管,包括连接到第一节点的栅极,漏极和连接到源极电压的源极; 第三晶体管,包括连接到第二晶体管的漏极的漏极,源极和连接到第一偏置电压的栅极; 以及第四晶体管,包括连接到第三晶体管的源极的漏极,连接到接地电压的源极和连接到第二偏置电压的栅极,其中第一晶体管的栅极共同连接到第二晶体管的漏极 和第三晶体管。

    Operational amplifier for output buffer and signal processing circuit using the same
    40.
    发明申请
    Operational amplifier for output buffer and signal processing circuit using the same 有权
    输出缓冲器和信号处理电路的运算放大器使用相同

    公开(公告)号:US20060238238A1

    公开(公告)日:2006-10-26

    申请号:US11375952

    申请日:2006-03-15

    IPC分类号: H03K5/22 G06G7/12

    摘要: An operational amplifier includes: a differential amplifier for differentially amplifying first and second differential input signals to generate first and second output signals through first and second nodes; a driver for driving an output node in response to the second output signal; and a drive current adjuster for adjusting a driving current of the driver in response to the first output signal. The drive current adjuster includes: a first transistor including a drain connected to the output node, a gate, and a source connected to a ground voltage; a second transistor including a gate connected to the first node, a drain, and a source connected to a source voltage; a third transistor including a drain connected to the drain of the second transistor, a source, and a gate connected to a first bias voltage; and a fourth transistor including a drain connected to the source of the third transistor, a source connected to the ground voltage, and a gate connected to a second bias voltage, wherein the gate of the first transistor is commonly connected to the drains of the second and third transistors.

    摘要翻译: 运算放大器包括:差分放大器,用于差分放大第一和第二差分输入信号,以通过第一和第二节点产生第一和第二输出信号; 用于响应于所述第二输出信号驱动输出节点的驱动器; 以及驱动电流调节器,用于响应于第一输出信号调整驱动器的驱动电流。 驱动电流调节器包括:第一晶体管,包括连接到输出节点的漏极,栅极和连接到接地电压的源极; 第二晶体管,包括连接到第一节点的栅极,漏极和连接到源极电压的源极; 第三晶体管,包括连接到第二晶体管的漏极的漏极,源极和连接到第一偏置电压的栅极; 以及第四晶体管,包括连接到第三晶体管的源极的漏极,连接到接地电压的源极和连接到第二偏置电压的栅极,其中第一晶体管的栅极共同连接到第二晶体管的漏极 和第三晶体管。