Method and apparatus for driving plasma display panel
    1.
    发明申请
    Method and apparatus for driving plasma display panel 失效
    用于驱动等离子体显示面板的方法和装置

    公开(公告)号:US20050264230A1

    公开(公告)日:2005-12-01

    申请号:US11022949

    申请日:2004-12-28

    摘要: Provided are a method and apparatus for driving a PDP for widening a driving margin and improving contrast. The method for driving a PDP includes a first step of forming wall charges in cells with a set-up discharge using a set-up signal in a first sub-field and erasing the wall charges with a set-down discharge using a first set-down signal to initialize the cells, and a second step of erasing the wall charges with a set-down discharge generated using a second set-down signal different from the first set-down signal in a second sub-field, to initialize the cells. The method and apparatus for driving a PDP uniformly initialize sub-fields to widen the driving margin of PDP and remove a set-up discharge in at least one sub-field to improve the contrast of PDP.

    摘要翻译: 提供了用于驱动用于加宽驱动边缘并改善对比度的PDP的方法和装置。 用于驱动PDP的方法包括在第一子场中使用建立信号在具有建立放电的单元中形成壁电荷的第一步骤,并且使用第一设置电压消除具有放电放电的壁电荷, 降低信号以初始化单元,以及第二步骤,利用在第二子场中使用与第一置位信号不同的第二置位信号产生的放大放电来擦除壁电荷,以初始化单元。 用于驱动PDP的方法和装置均匀地初始化子场以拓宽PDP的驱动余量并去除至少一个子场中的建立放电以改善PDP的对比度。

    Method and apparatus for driving a plasma display panel
    2.
    发明申请
    Method and apparatus for driving a plasma display panel 失效
    用于驱动等离子体显示面板的方法和装置

    公开(公告)号:US20050162345A1

    公开(公告)日:2005-07-28

    申请号:US11024017

    申请日:2004-12-29

    摘要: Disclosed herein is a method and apparatus for driving a plasma display panel, which improves contrast characteristics and preventing a low discharge making a cell non-luminous at a specific gray scale. The method for driving a plasma display panel includes the steps of initializing a cell by supplying a first write voltage and an erase voltage to a scanning electrode during a reset interval of the n-th sub-field; initializing the cell by supplying the erase voltage and a second write voltage which is higher than a sustaining voltage and lower than the first write voltage to the scanning electrode during a reset interval of the (n+1)-th sub-field; selecting the cell by supplying the scanning voltage to the scanning electrode and supplying a data voltage to an address electrode during an address interval of each of the n-th and (n+1)-th sub-fields; and alternatively supplying the sustaining voltage to the scanning and sustaining electrodes during a sustaining interval of each of the n-th and (n+1 )-th sub-fields.

    摘要翻译: 本文公开了一种用于驱动等离子体显示面板的方法和装置,其提高对比度特性并防止在特定灰度使得不发光的电池的低放电。 用于驱动等离子体显示面板的方法包括以下步骤:在第n子场的复位间隔期间通过向扫描电极提供第一写入电压和擦除电压来初始化单元; 通过在第(n + 1)子场的复位间隔期间向扫描电极提供擦除电压和高于维持电压并低于第一写入电压的第二写入电压来初始化单元; 通过向扫描电极提供扫描电压并在第n和第(n + 1)个子场中的每一个的地址间隔期间向地址电极提供数据电压来选择单元; 以及在第n和第(n + 1)个子场中的每一个的维持间隔期间将维持电压提供给扫描和维持电极。

    Apparatus and method for driving plasma display panel
    3.
    发明申请
    Apparatus and method for driving plasma display panel 失效
    用于驱动等离子体显示面板的装置和方法

    公开(公告)号:US20070176858A1

    公开(公告)日:2007-08-02

    申请号:US11729881

    申请日:2007-03-30

    IPC分类号: G09G3/28

    摘要: This invention relates to a driving apparatus of a plasma display panel that is capable of being operated stable, regardless of temperature. A driving apparatus of a plasma display panel according to the present invention includes a panel having a scanning electrode for receiving a scanning pulse in an address period and an address electrode for receiving a date pulse synchronized with the scanning pulse in the address period; and a pulse width controller for changing the width of the scanning pulse when the panel is driven at a low temperature.

    摘要翻译: 本发明涉及等离子体显示面板的驱动装置,该驱动装置能够与温度无关地操作稳定。 根据本发明的等离子体显示面板的驱动装置包括具有用于在地址周期中接收扫描脉冲的扫描电极的面板和用于在寻址周期中接收与扫描脉冲同步的日期脉冲的地址电极; 以及脉冲宽度控制器,用于当面板在低温下被驱动时改变扫描脉冲的宽度。

    Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency
    5.
    发明申请
    Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency 有权
    固定床催化部分氧化反应器高效生产不饱和酸的方法

    公开(公告)号:US20070073084A1

    公开(公告)日:2007-03-29

    申请号:US11483752

    申请日:2006-07-10

    IPC分类号: B01J8/04 C07C51/16 C07C51/235

    摘要: Disclosed is a process for producing unsaturated aldehydes and/or unsaturated acids from olefins or alkanes in a fixed bed shell-and-tube heat exchanger-type reactor by catalytic vapor phase oxidation. A heat exchanger-type reactor for use in such a process is also disclosed. In the process, at least one of the first-step reaction zone and the second-step reaction zone is divided into two or more shell spaces by at least one partition; each of the divided shell spaces is independently heat-controlled; a heat transfer medium in the first shell space of the first-step reaction zone or the first shell space of the second-step reaction zone has a temperature ranging from the lowest active temperature of a catalyst layer packed in a reaction tube corresponding to the first shell space of the first-step reaction zone or the first shell space of the second-step reaction zone to [the lowest active temperature+20° C.], when referring to the two or more shell spaces corresponding to the first-step reaction zone sequentially as the first shell space of the first-step reaction zone, the second shell space of the first-step reaction zone, . . . , the nth shell space of the first-step reaction zone, and the two or more shell spaces corresponding to the second-step reaction zone sequentially as the first shell space of the second-step reaction zone, the second shell space of the second-step reaction zone, . . . , the nth shell space of the second-step reaction zone; and the first shell space of the first-step reaction zone or the first shell space of the second-step reaction zone is controlled in such a manner that the first shell space provides a reactant conversion contribution per length as defined in Equation 1 or 2 of 1.2˜2.5.

    摘要翻译: 公开了一种通过催化气相氧化在固定床管壳式热交换器型反应器中由烯烃或烷烃生产不饱和醛和/或不饱和酸的方法。 还公开了一种用于这种方法的热交换器型反应器。 在该过程中,至少一个第一步骤反应区和第二步反应区被至少一个隔板分成两个或多个壳层空间; 每个分开的壳空间是独立的热控制的; 在第一步骤反应区的第一壳体空间或第二阶段反应区的第一壳体空间中的传热介质的温度范围从填充在对应于第一步骤的反应管的反应管中的催化剂层的最低活性温度 当提及对应于第一步反应的两个或多个壳层空间时,第一步反应区的壳体空间或第二步反应区的第一壳空间为[最低活性温度+ 20℃] 作为第一步反应区的第一壳空间,第一步反应区的第二壳空间。 。 。 ,第一步反应区的第n个第<! - SIPO - >壳空间,以及对应于第二步反应区的两个或多个壳层空间依次作为第二步反应区的第一壳空间, 第二步反应区的第二个壳体空间。 。 。 ,第二步反应区的第n个壳空间; 并且以这样的方式控制第一步骤反应区或第二阶段反应区的第一壳层空间的第一壳层空间,使得第一壳空间提供如式1或2中定义的每个长度的反应物转化贡献 1.2〜2.5。

    Method and apparatus for securing data stored on a removable storage medium of a computer system

    公开(公告)号:US20070118708A1

    公开(公告)日:2007-05-24

    申请号:US11655975

    申请日:2007-01-22

    申请人: Seong Kang

    发明人: Seong Kang

    IPC分类号: G06F12/14

    CPC分类号: G06F21/80 G06F2221/2121

    摘要: A method or apparatus can reduce or prevent unauthorized data access by securing data stored on a hard disk of a computer system. The method can include requesting a user to enter a password if the computer system is powered on under the condition that a password for security of the hard disk of the computer system is previously stored and data previously written on the hard disk is converted into a specific format for security and stored on the hard disk of the computer system, determining whether the password entered by the user corresponds to the previously stored password, storing the determined result, and selectively reading and outputting the format-converted data stored on the hard disk upon the user requests according to the determined result. The requested data can be output to a monitor. User write operation requests can operate according to the determined result.

    Method for producing (meth) acrylic acid

    公开(公告)号:US20060025629A1

    公开(公告)日:2006-02-02

    申请号:US11192223

    申请日:2005-07-28

    IPC分类号: C07C51/42

    CPC分类号: C07C51/44 C07C51/48 C07C57/04

    摘要: Disclosed is a method for producing (meth)acrylic acid comprising a process of recovering (meth)acrylic acid as aqueous (meth)acrylic acid solution from a (meth)acrylic acid-containing gas mixture produced by the catalytic gas phase oxidation of at least one reactant selected from the group consisting of propane, propylene, isobutylene and (meth)acrolein, wherein the recovering process comprises the steps of: (1) feeding the (meth)acrylic acid-containing gas mixture into a quenching tower and condensing it in the quenching tower so as to recover an aqueous (meth)acrylic acid solution from the bottom of the quenching tower, in which some of the recovered aqueous (meth)acrylic acid solution is recycled to the upper portion of the quenching tower so as to condense the (meth)acrylic acid-containing gas mixture; (2) passing the uncondensed part of the (meth)acrylic acid-containing gas mixture from the top of the quenching tower to a distillation tower; and (3) heating the bottom of the distillation tower to separate water-containing impurity components from the uncondensed (meth)acrylic acid-containing gas mixture and to discharge them from the top of the distillation tower. A system used for carrying out the method is also disclosed.

    Plasma display apparatus and method of driving the same
    9.
    发明申请
    Plasma display apparatus and method of driving the same 失效
    等离子体显示装置及其驱动方法

    公开(公告)号:US20060001602A1

    公开(公告)日:2006-01-05

    申请号:US11168457

    申请日:2005-06-29

    申请人: Jung Han Seong Kang

    发明人: Jung Han Seong Kang

    IPC分类号: G09G3/28

    摘要: The present invention relates to a plasma display apparatus and a method of driving the same. The plasma display apparatus according to the present invention includes a plasma display panel in which data electrodes are formed; and a data voltage controller for applying a data voltage as a floating state or a first state voltage to the data electrodes. The method of driving a plasma display apparatus according to the present invention includes the steps of: (a) applying a first voltage to the data electrodes; and (b) applying a voltage as a ground level or a floating state to the data electrodes.

    摘要翻译: 等离子体显示装置及其驱动方法技术领域本发明涉及等离子体显示装置及其驱动方法。 根据本发明的等离子体显示装置包括其中形成有数据电极的等离子体显示面板; 以及用于将数据电压作为浮置状态或第一状态电压施加到数据电极的数据电压控制器。 根据本发明的驱动等离子体显示装置的方法包括以下步骤:(a)向数据电极施加第一电压; 和(b)将电压作为地电平或浮置状态施加到数据电极。

    Method and apparatus of driving a plasma display panel
    10.
    发明申请
    Method and apparatus of driving a plasma display panel 失效
    驱动等离子体显示面板的方法和装置

    公开(公告)号:US20050128167A1

    公开(公告)日:2005-06-16

    申请号:US10968037

    申请日:2004-10-20

    申请人: Sang Yoon Seong Kang

    发明人: Sang Yoon Seong Kang

    摘要: The present invention relates to a plasma display panel, and more particularly, to a method and an apparatus for driving a plasma display panel. According to one aspect of the present invention, there is provided a method of driving a plasma display panel, including the steps of selecting an operating mode based on the degree in which a data moves, and controlling differently at least one of an arrangement of sub-fields disposed within one frame period and the number of sustain pulses according to the selected operating mode. According to the method and apparatus of driving the plasma display panel of the present invention, it is thus possible to increase the picture quality when displaying data of different media such as a PC data or a TV data, power consumption can be reduced, and it is possible to extend the lifespan of a plasma display panel.

    摘要翻译: 等离子体显示面板技术领域本发明涉及等离子体显示面板,更具体地,涉及一种用于驱动等离子体显示面板的方法和装置。 根据本发明的一个方面,提供了一种驱动等离子体显示面板的方法,包括以下步骤:基于数据移动的程度来选择操作模式,并且以不同的方式控制子 并且根据所选择的操作模式设置在一个帧周期内的维持脉冲数。 根据本发明的驱动等离子体显示面板的方法和装置,可以在显示诸如PC数据或TV数据的不同媒体的数据时增加画面质量,能够降低功耗 可以延长等离子体显示面板的寿命。