Capacitive load driver and plasma display
    1.
    发明申请
    Capacitive load driver and plasma display 审中-公开
    电容负载驱动器和等离子显示器

    公开(公告)号:US20050088376A1

    公开(公告)日:2005-04-28

    申请号:US10973020

    申请日:2004-10-25

    IPC分类号: G09G3/28 G09G3/288 G09G5/00

    摘要: Sustain electrodes (X1, X2, . . . ) of a PDP (20) are grounded. A PFC converter (40) converts an alternating voltage into a DC voltage (Vs) and applies it directly across a PDP driver (10). A sustaining pulse generating section (1) converts the DC voltage (Vs) into a primary voltage pulse (VF), and applies it across a primary winding (2a) of a transformer (2). The transformer (2) converts the primary voltage pulse (VF) into a sustaining voltage pulse (Vp), and applies it to scan electrodes (Y1, Y2, . . . ) of the PDP (20) through a reset/scanning pulse generating section (3). An inductor (L) is connected in parallel with a secondary winding (2b) of the transformer (2). The inductor (L) resonates with the panel capacitance of the PDP (20) at the rising and falling edges of the sustain voltage pulse (Vp).

    摘要翻译: PDP(20)的维持电极(X 1,X 2,...)接地。 PFC转换器(40)将交流电压转换为直流电压(Vs)并将其直接应用于PDP驱动器(10)。 维持脉冲产生部分(1)将DC电压(Vs)转换成初级电压脉冲(VF),并将其施加到变压器(2)的初级绕组(2a)上。 变压器(2)将初级电压脉冲(VF)转换为维持电压脉冲(Vp),并通过复位/扫描将其施加到PDP(20)的扫描电极(Y 1,Y 2,...) 脉冲发生部(3)。 电感器(L)与变压器(2)的次级绕组(2b)并联连接。 电感器(L)在维持电压脉冲(Vp)的上升沿和下降沿与PDP(20)的面板电容共振。

    Capacitive load driver and plasma display
    3.
    发明申请
    Capacitive load driver and plasma display 审中-公开
    电容负载驱动器和等离子显示器

    公开(公告)号:US20050190125A1

    公开(公告)日:2005-09-01

    申请号:US11057826

    申请日:2005-02-14

    IPC分类号: G09G3/28

    CPC分类号: G09G3/2965

    摘要: Pulse generating sections (1X, 1Y) convert a DC voltage (Vs) into voltage pulses (Vp), and apply the pulses to the sustain and scan electrodes (X, Y) of a PDP (20). Recovery switching devices (Q3X, Q4X, Q3Y, Q4Y) of power recovery sections (2X, 2Y) are turned on and off under the rising and falling edges of the voltage pulses (Vp), thereby connect recovery inductors (LpX, LpY) to recovery capacitors (CX, CY). Then, the recovery inductors (LpX, LpY) resonate with the panel capacitance (Cp). While the amounts of the resonance currents (ILX, ILY) are small, the inductances of the recovery inductors (LpX, LpY) are high. When the amounts of the resonance currents (ILX, ILY) exceed a threshold value, the inductances of the recovery inductors (LpX, LpY) are reduced.

    摘要翻译: 脉冲发生部分(1 X,1 Y)将直流电压(Vs)转换为电压脉冲(Vp),并将脉冲施加到PDP(20)的维持和扫描电极(X,Y)。 功率恢复部分(2 X,2 Y)的恢复开关器件(Q 3 X,Q 4 X,Q 3 Y,Q 4 Y)在电压脉冲(Vp)的上升和下降沿导通和关断, 从而将恢复电感器(LpX,LpY)连接到恢复电容器(CX,CY)。 然后,恢复电感(LpX,LpY)与面板电容(Cp)谐振。 虽然谐振电流(ILX,ILY)的量很小,但是恢复电感器(LpX,LpY)的电感很高。 当谐振电流(ILX,ILY)的量超过阈值时,恢复电感器(LpX,LpY)的电感减小。

    Driving apparatus of plasma display panel and plasma display
    5.
    发明申请
    Driving apparatus of plasma display panel and plasma display 审中-公开
    等离子显示面板和等离子体显示器的驱动装置

    公开(公告)号:US20060038750A1

    公开(公告)日:2006-02-23

    申请号:US11140744

    申请日:2005-06-01

    IPC分类号: G09G3/28

    摘要: A driving apparatus of a plasma display panel includes a sustain generator section that sustains sustain electrodes at a specific potential (ground potential) and applies alternately a first positive pulse voltage and a first negative pulse voltage to scan electrodes, as a sustain pulse voltage, during a sustain period, and an address voltage generator that applies a voltage changing temporally to address electrodes. The address voltage generator applies a second pulse voltage with a predetermined polarity to the address electrode in synchronization with a pulse with the same polarity as the second pulse voltage out of sustain pulse voltages during the sustain period.

    摘要翻译: 等离子体显示面板的驱动装置包括:将维持电极维持在特定电位(接地电位)的维持发生部,并将第一正脉冲电压和第一负脉冲电压交替施加到扫描电极作为维持脉冲电压 一个维持周期,以及一个地址电压发生器,其施加电压在时间上改变到寻址电极。 地址电压发生器在维持期间与维持脉冲电压以外的与第二脉冲电压极性相同的脉冲同步地向寻址电极施加预定极性的第二脉冲电压。

    Plasma display panel driving circuit and plasma display apparatus
    7.
    发明授权
    Plasma display panel driving circuit and plasma display apparatus 失效
    等离子显示面板驱动电路和等离子体显示装置

    公开(公告)号:US07852289B2

    公开(公告)日:2010-12-14

    申请号:US11748139

    申请日:2007-05-14

    IPC分类号: G09G3/28

    CPC分类号: G09G3/2965 G09G2330/025

    摘要: A PDP driving circuit is comprised of a power recovery unit for recovering an electric power from a capacitive load by resonance operation with PDP which is the capacitive load Cp, and reusing the recovered power. The power recovery unit includes a recovery inductor for resonating with the capacitive load, a recovery switch element for connecting the recovery capacitor to the capacitive load and recovery inductor, and forming a channel for passing resonance current, a counterflow preventive diode for blocking flow of current in the recovery switch element in reverse polarity direction, and a protective diode for forming a closed current channel including the recovery inductor and recovery switch element when the counterflow preventive diode is changed from ON state to OFF state.

    摘要翻译: PDP驱动电路包括功率回收单元,用于通过与作为电容性负载Cp的PDP进行谐振操作从电容性负载恢复电力,并且重新利用恢复的功率。 功率恢复单元包括用于与电容性负载谐振的恢复电感器,用于将恢复电容器连接到电容性负载和恢复电感器并且形成用于传递谐振电流的通道的恢复开关元件,用于阻止电流流动的防逆流二极管 在逆极性方向的恢复开关元件中,以及保护二极管,用于在防逆流二极管从接通状态变为断开状态时形成包括恢复电感器和恢复开关元件的闭合电流通道。

    PLASMA DISPLAY PANEL DRIVE CIRCUIT AND PLASMA DISPLAY APPARATUS
    8.
    发明申请
    PLASMA DISPLAY PANEL DRIVE CIRCUIT AND PLASMA DISPLAY APPARATUS 失效
    等离子显示面板驱动电路和等离子显示设备

    公开(公告)号:US20090058310A1

    公开(公告)日:2009-03-05

    申请号:US11817354

    申请日:2006-02-08

    IPC分类号: G09G3/10

    摘要: A drive circuit for driving a plasma display panel (PDP) includes a pulse voltage generation circuit (5101) that contains main switching elements disposed on the high voltage side and on the low voltage side, is operable to generate a pulse voltage by operating the main switching elements in accordance with an output voltage from a first power supply (V1) and apply the pulse voltage to a PDP scan electrode and sustain electrode, and a reset voltage generation circuit (52) operable to generate a reset voltage in accordance with an output voltage from a second power supply (V2) and apply it to the PDP. The pulse voltage generator C circuit contains a first diode (D11) that prevents the voltage outputted by the reset voltage generation circuit from being applied backward to the first power supply and a first switching element (S11) connected to the first diode in parallel.

    摘要翻译: 用于驱动等离子体显示面板(PDP)的驱动电路包括:脉冲电压产生电路(5101),其包含设置在高压侧和低电压侧的主开关元件,可操作以通过操作主电压 根据来自第一电源(V1)的输出电压的开关元件,并将脉冲电压施加到PDP扫描电极和维持电极;以及复位电压产生电路(52),其可操作以根据输出产生复位电压 电压(V2),并将其应用于PDP。 脉冲电压发生器C电路包括防止由复位电压产生电路输出的电压向后施加到第一电源的第一二极管(D11)和并联连接到第一二极管的第一开关元件(S11)。

    Plasma display panel drive circuit and plasma display apparatus
    9.
    发明授权
    Plasma display panel drive circuit and plasma display apparatus 失效
    等离子显示面板驱动电路和等离子显示装置

    公开(公告)号:US07915832B2

    公开(公告)日:2011-03-29

    申请号:US11817354

    申请日:2006-02-08

    IPC分类号: G09G3/10

    摘要: A drive circuit for driving a plasma display panel (PDP) includes a pulse voltage generator that contains main switching elements disposed on a high voltage side and on a low voltage side, is operable to generate a pulse voltage by operating the main switching elements in accordance with an output voltage from a first power supply and apply the pulse voltage to a PDP scan electrode and sustain electrode, and a reset voltage generator operable to generate a reset voltage in accordance with an output voltage from a second power supply and apply it to the PDP. The pulse voltage generator contains a first diode that prevents the voltage output by the reset voltage generator from being applied backward to the first power supply and a first switching element connected to the first diode in parallel.

    摘要翻译: 用于驱动等离子体显示面板(PDP)的驱动电路包括脉冲电压发生器,其包含设置在高压侧和低电压侧的主开关元件,其可操作以通过根据主开关元件操作来产生脉冲电压 具有来自第一电源的输出电压并将脉冲电压施加到PDP扫描电极和维持电极;以及复位电压发生器,其可操作以根据来自第二电源的输出电压产生复位电压并将其施加到 PDP。 脉冲电压发生器含有第一二极管,其防止复位电压发生器的电压输出向后施加到第一电源,并且第一开关元件并联连接到第一二极管。

    IMAGE FORMING APPARATUS, CONTROL DEVICE, DETECTING METHOD OF REFERENCE INDEX ON TRANSFER BODY, AND COMPUTER READABLE MEDIUM
    10.
    发明申请
    IMAGE FORMING APPARATUS, CONTROL DEVICE, DETECTING METHOD OF REFERENCE INDEX ON TRANSFER BODY, AND COMPUTER READABLE MEDIUM 审中-公开
    图像形成装置,控制装置,转印体上的参考指标的检测方法和计算机可读介质

    公开(公告)号:US20110262156A1

    公开(公告)日:2011-10-27

    申请号:US12954010

    申请日:2010-11-24

    IPC分类号: G03G15/00

    摘要: An image forming apparatus includes: a latent image forming unit scanning and exposing an image carrier according to image data, to form a latent image; a transfer body on which a toner image is transferred and a reference index for setting an output start time point of the image data is formed; a detecting unit facing the reference index and outputting a detection signal changing in accordance with passing of the reference index; and a controller controlling the output start time point with the detection signal. The controller starts a first period during which change of the detection signal is ignored, according to first change of the detection signal, starts a second period after the first period, regards second change of the detection signal occurring first in the second period as a reference of the output start time point, and ignores change of the detection signal after the second change.

    摘要翻译: 图像形成装置包括:潜像形成单元,根据图像数据扫描和曝光图像载体,以形成潜像; 传送调色剂图像的转印体和形成图像数据的输出开始时间点的参考指标; 检测单元,其面向参考索引并输出根据参考索引的通过而改变的检测信号; 以及用所述检测信号控制所述输出开始时间点的控制器。 控制器开始第一期间,根据检测信号的第一次变化,检测信号的变化被忽略,在第一期间开始第二期间,将在第二期间中首先发生的检测信号的第二变化作为基准 的输出开始时间点,并且忽略第二次改变之后的检测信号的变化。