会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Pwm precharge of organic light emitting diode
    • 有机发光二极管的PWM预调制
    • JP2011257751A
    • 2011-12-22
    • JP2011110442
    • 2011-05-17
    • Dialog Semiconductor Gmbhディアローク・セミコンダクター・ゲーエムベーハー
    • STEVEN ALLENNICOLA BRAMANTEKEVIN JONESALAN SUMMERVILLEJULIAN TYRREL
    • G09G3/30G09G3/20H01L51/50
    • G09G3/3216G09G3/2014G09G2310/0205G09G2310/0251G09G2320/0233G09G2330/021
    • PROBLEM TO BE SOLVED: To provide a method for PWM precharge of an organic light emitting diode (OLED).SOLUTION: A method for nonlinear PWM precharge of an OLED comprises: a step to provide an OLED display including a pixel having a current source supplying current to the pixel, an anode and a cathode respectively; a step to assign the pixel of the OLED display with an address; a step to precharge the pixel assigned with the address to the illumination threshold; a step to regulate a threshold for switching from precharge of the pixel to a drive phase in accordance with the number of PWM counts to be used for the precharge; a step to precharge the pixel to a required forward voltage or a desired PWM count; a step to add light generated during the precharge to a desired light volume of the pixel; a step to drive the pixel with a current until a total light volume of the pixel including the light generated during the precharge is attained; and a step to discharge the pixel to be chosen to a level under the illumination threshold.
    • 要解决的问题:提供一种用于有机发光二极管(OLED)的PWM预充电的方法。 解决方案:一种用于OLED的非线性PWM预充电的方法包括:提供OLED显示器的步骤,所述OLED显示器包括分别具有向所述像素供应电流的电流源的像素,阳极和阴极; 将OLED显示器的像素分配给地址的步骤; 将分配有所述地址的像素预充电到所述照明阈值的步骤; 根据要用于预充电的PWM计数的数量来调节用于从像素的预充电切换到驱动相位的阈值的步骤; 将像素预充电到所需的正向电压或期望的PWM计数的步骤; 将在预充电期间产生的光添加到所述像素的期望光体积的步骤; 直到达到包括在预充电期间产生的光的像素的总光量达到驱动像素的电流的步骤; 以及将要选择的像素放电到照明阈值以下的水平的步骤。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Compensation of center gravity of class-d amplifier
    • 对D类放大器的中心重要性的补偿
    • JP2004194335A
    • 2004-07-08
    • JP2003413285
    • 2003-12-11
    • Dialog Semiconductor Gmbhディアローク・セミコンダクター・ゲーエムベーハー
    • NILSSON JOHANLENNARTSSON LARSKNOEDGEN HORST
    • H03K17/687H03F1/32H03F3/217H03K5/05H03K7/08
    • H03F3/2175H03F1/3241H03F3/217H03F3/2173H03F2200/331
    • PROBLEM TO BE SOLVED: To provide a class-D amplifier having a PCM (pulse code modulated) input signal which is capable of making a time-voltage-area constant by adjusting an output pulse width, or obtaining a multi-level output system by allowing the output pulse width to have one value from among discrete values. SOLUTION: This method assures whether the center of each output pulse always appears at a position meeting a nominal clock or at a position with a fixed delay relative to the nominal clock. The amplifier is provided with a means 21 for converting an input pulse into an ideal PDM (pulse density modulated) control pulse, a means 23 for calculating the center of each pulse, a means 22 for deciding a delay requested for each power driver control pulse, a means 24 for generating a power driver control pulse which has been corrected, a means 25 for a power driver for driving a voltage for an output load to be controlled by the power driver control pulse, and a means 26 for the output load as a target of an amplifier output. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:为了提供具有PCM(脉冲编码调制)输入信号的D类放大器,其能够通过调整输出脉冲宽度使时间 - 电压 - 面积恒定,或获得多级 输出系统允许输出脉冲宽度在离散值之间具有一个值。

      解决方案:该方法确保每个输出脉冲的中心是否始终出现在满足标称时钟的位置或相对于标称时钟具有固定延迟的位置。 放大器设置有用于将输入脉冲转换为理想PDM(脉冲浓度调制)控制脉冲的装置21,用于计算每个脉冲的中心的装置23,用于确定每个功率驱动器控制脉冲所请求的延迟的装置22 ,用于产生已被校正的功率驱动器控制脉冲的装置24,用于驱动用于由功率驱动器控制脉冲控制的输出负载的电压的功率驱动器的装置25和用于输出负载的装置26 放大器输出的目标。 版权所有(C)2004,JPO&NCIPI

    • 8. 发明专利
    • Low-dropout linear regulator (ldo), method for providing ldo and method for operating ldo
    • 低压差线性稳压器(LDO),用于提供LDO的方法和操作LDO的方法
    • JP2011113567A
    • 2011-06-09
    • JP2010262866
    • 2010-11-25
    • Dialog Semiconductor Gmbhダイアログ セミコンダクター ゲーエムベーハー
    • DREBINGER STEPHAN
    • G05F3/26H03F3/345
    • G05F1/575
    • PROBLEM TO BE SOLVED: To provide a low-dropout linear regulator with improved PSRR.
      SOLUTION: The LDO has two nodes which are configured to couple a differential amplifier and a regulated current mirror and to receive a differential signal, respectively. The regulated current mirror is configured to convert and amplify the differential signals to a single ended signal. The LDO has a first capacitor configured for frequency compensation. The first capacitor is coupled between the first stage and a second stage. The LDO has a second capacitor for balancing capacitive loading of a first cascode circuit. The second capacitor is coupled between the first stage and the supply voltage. The first cascode circuit is configured to suppress different voltages between input and output of the capacitors caused of a modulation of the supply voltage. The LDO has a second cascode circuit configured to suppress supply modulations of the differential amplifier.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有改进的PSRR的低压差线性稳压器。 解决方案:LDO有两个节点,分别配置成耦合差分放大器和调节电流镜,并分别接收差分信号。 调节电流镜被配置为将差分信号转换并放大到单端信号。 LDO具有配置用于频率补偿的第一个电容。 第一电容器耦合在第一级和第二级之间。 LDO具有用于平衡第一共源共栅电路的电容负载的第二电容器。 第二电容器耦合在第一级和电源电压之间。 第一级联电路被配置为抑制由电源电压的调制引起的电容器的输入和输出之间的不同电压。 LDO具有被配置为抑制差分放大器的电源调制的第二级联电路。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Load current dependent reduction of charge battery current
    • 负载电流依赖性降低充电电流
    • JP2009284753A
    • 2009-12-03
    • JP2009096642
    • 2009-04-13
    • Dialog Semiconductor Gmbhディアローク・セミコンダクター・ゲーエムベーハー
    • WOLF CHRISTIANLLOYD DAVIDCLOWES ANTHONY
    • H02J7/34H01M10/44
    • H02J7/0068G06F1/26G06F1/30Y10T307/406Y10T307/414Y10T307/625
    • PROBLEM TO BE SOLVED: To reduce load current dependence of charge battery current. SOLUTION: A system includes a charge battery 6 and a direct current power supply 1 connected to a supply regulator 2. The supply regulator adjusts output voltages and restricts output currents so that they become slightly less than the maximum permissible output current of the direct current power supply. Output of the supply regulator provides operation of a portable device. Voltage corresponds to a supply voltage level required for the portable device, and output is further connected to a power input of a battery charger 5 for charging charge batteries, a first terminal of a capacitor, and a first input of a voltage comparator 7. A second terminal of the capacitor is grounded, and the battery charger charges charge batteries with outputs and its operation is controlled by a digital control device 8. In the digital control device, input is connected to output of the voltage comparator and output is connected to the battery charger. The voltage comparator has a reference voltage as a second input and compares the reference voltage with the output voltage of the supply regulator. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:减少充电电池电流的负载电流依赖性。

      解决方案:系统包括充电电池6和连接到电源调节器2的直流电源1.电源调节器调节输出电压并限制输出电流,使其变得略小于最大允许输出电流 直流电源。 电源调节器的输出提供便携式设备的操作。 电压对应于便携式设备所需的电源电压电平,并且输出进一步连接到用于对充电电池充电的电池充电器5的电源输入端,电容器的第一端子和电压比较器7的第一输入端。 电容器的第二端子接地,电池充电器对输出的电池充电,其操作由数字控制装置8控制。在数字控制装置中,输入端连接到电压比较器的输出端,输出端连接到 充电器。 电压比较器具有参考电压作为第二输入,并将参考电压与电源调节器的输出电压进行比较。 版权所有(C)2010,JPO&INPIT