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    • 4. 发明专利
    • Driving circuit of plasma display device
    • 等离子体显示装置的驱动电路
    • JP2008089757A
    • 2008-04-17
    • JP2006268282
    • 2006-09-29
    • Fujitsu Hitachi Plasma Display Ltd富士通日立プラズマディスプレイ株式会社
    • KOSAKA TADAYOSHI
    • G09G3/20G09G3/288G09G3/291G09G3/294G09G3/296G09G3/298
    • PROBLEM TO BE SOLVED: To prevent imbalance in luminance and luminance unevenness on a screen by balancing a sustain voltage applied to one of a pair of display electrodes generating a sustain discharge and a sustain voltage applied to the other.
      SOLUTION: A driving circuit is provided with an inductance circuit which applies 50 to 90% of a predetermined sustain voltage through an inductance to display electrodes in a sustain period wherein a sustain discharge is generated on a display line, and a constant voltage supply circuit which applies a voltage additionally to the voltage applied by the inductance circuit up to the predetermined sustain voltage, and a circuit element for applied voltage adjustment is provided to either or both of an inductance circuit applying the voltage to one of a pair of display electrodes generating the sustain discharge and an inductance circuit applying a voltage to the other, so that the difference between an arrival voltage by the inductance circuit applying the voltage to one of the display electrode and an arrival voltage by the inductance circuit applying the voltage to the other is less than a predetermined value.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过平衡施加到产生维持放电的一对显示电极中的一个和施加到另一个的维持电压之一的维持电压来防止屏幕上的亮度和亮度不均匀性的不平衡。 解决方案:驱动电路设置有电感电路,其通过电感施加50〜90%的预定维持电压,以在显示线上产生维持放电的维持期间显示电极,并且将恒定电压 供给电路,其对由电感电路施加的电压附加直到预定的维持电压,并且将用于施加电压调整的电路元件提供给施加电压到一对显示器之一的电感电路中的任一个或两者 产生维持放电的电极和向另一个施加电压的电感电路,使得通过将电压施加到显示电极中的一个的电感电路的到达电压与施加电压的电感电路的到达电压之间的差 另一个小于预定值。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Plasma display device
    • 等离子体显示设备
    • JP2008076977A
    • 2008-04-03
    • JP2006258969
    • 2006-09-25
    • Fujitsu Hitachi Plasma Display Ltd富士通日立プラズマディスプレイ株式会社
    • TAKAGI KAZUKISEO YOSHIHOINOUE HAJIMEKOSAKA TADAYOSHISAKIDA KOICHI
    • G09G3/288G09G3/20G09G3/28G09G3/291G09G3/294G09G3/296G09G3/298H01J11/22H01J11/24H01J11/32H01J11/34H01J11/36H04N5/66
    • PROBLEM TO BE SOLVED: To provide a plasma display device which is superior in reliability of addressing and has a function of reducing electromagnetic wave radiation.
      SOLUTION: A plasma display panel has a horizontal wall portion of a partition wall disposed to be covered with a first electrode and not covered with a second electrode, the first electrode projecting long to one side and short to the other side of the horizontal wall portion covered therewith. Then each cell has a main gap as the electrode gap between a first electrode and a second electrode projecting long from one of two horizontal wall portions corresponding thereto and a sub-gap as the electrode gap between a first electrode and a second electrode projecting short from the other horizontal wall portion. A driving circuit which drives the plasma display panel applies a driving voltage for generating a display discharge between the first and second electrodes adjacent across the main gap in a display period wherein the display discharge is generated to control the pair of the second electrode and first electrode adjacent across the sub-gap to the same potential.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种等离子体显示装置,其具有优异的寻址可靠性并具有降低电磁波辐射的功能。 解决方案:等离子体显示面板具有设置成被第一电极覆盖并且不被第二电极覆盖的分隔壁的水平壁部分,第一电极向一侧突出并且短于另一侧 水平壁部分被覆盖。 然后,每个单元具有主间隙,作为从对应于其的两个水平壁部之一突出长的第一电极和第二电极之间的电极间隙,以及作为第一电极和第二电极之间的电极间隙的子间隙 另一个水平的墙壁部分。 驱动等离子体显示面板的驱动电路在显示时间段内施加用于在主间隙附近的第一和第二电极之间产生显示放电的驱动电压,其中产生显示放电以控制该对第二电极和第一电极 相邻的子间隙相同的潜力。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Method for driving plasma display panel
    • 驱动等离子显示面板的方法
    • JP2004093888A
    • 2004-03-25
    • JP2002254835
    • 2002-08-30
    • Fujitsu Hitachi Plasma Display Ltd富士通日立プラズマディスプレイ株式会社
    • FUJIMOTO JUNKOSAKA TADAYOSHIHIDAKA SOICHIRO
    • G09G3/20G09G3/288G09G3/291G09G3/292G09G3/294G09G3/296G09G3/298G09G3/299G09G3/28
    • PROBLEM TO BE SOLVED: To prolong the lifetime of a display surface and to reduce electric power consumption by reducing the discharge impact deteriorating cells.
      SOLUTION: A lighting rate which is the ratio of the number of the cells to be lighted to the total number of the cells is detected in accordance with the display data to determine the contents of addressing. The setting of the sustaining voltage to be impressed during sustaining to display the corresponding display data is changed according to the detected lighting rate in such a manner that the voltage at the low lighting rate is made lower than the voltage at the greater lighting rate. When the cells to be lighted are a few, the amount of the voltage drop of a power source is relatively small and therefore even if the set value of the sustaining voltage is low, the sustaining voltage is prevented from dropping down to the permissible lower limit or below due to the voltage drop.
      COPYRIGHT: (C)2004,JPO
    • 解决的问题:为了延长显示面的使用寿命,通过减少电池的放电冲击而降低电力消耗。 解决方案:根据显示数据检测作为要点亮的单元的数量与单元的总数的比率的点亮率,以确定寻址的内容。 根据检测到的照明率,使维持期间要保持的显示相应的显示数据的持续电压的设定以低照明率的电压低于较高照明速度的电压的方式而改变。 当要点亮的单元数量少时,电源的电压降量相对较小,因此即使维持电压的设定值低,也可以防止维持电压下降到容许下限 或以下,由于电压降。 版权所有(C)2004,JPO
    • 8. 发明专利
    • Plasma display panel
    • 等离子显示面板
    • JP2008091093A
    • 2008-04-17
    • JP2006268256
    • 2006-09-29
    • Fujitsu Hitachi Plasma Display Ltd富士通日立プラズマディスプレイ株式会社
    • TAKAGI KAZUKISEO YOSHIHOINOUE HAJIMEKOSAKA TADAYOSHISAKIDA KOICHI
    • H01J11/22H01J11/34H01J11/36
    • H01J11/54H01J11/12H01J11/36H01J2211/361
    • PROBLEM TO BE SOLVED: To prevent a barrier rib of row direction from tilting to cell side at firing the barrier rib by installing a protruding part lower than the barrier rib of the row direction to connect two divided barrier ribs of the row direction at a ventilation passage installed by dividing the barrier rib of the row direction into two in column direction.
      SOLUTION: In the plasma display panel in which a discharge space is formed between a pair of substrates, in which the discharge space is divided at every cell by a lateral barrier rib extending in the row direction and a vertical barrier rib extending in the column direction, in which the lateral barrier rib is divided into two in the column direction and in which the ventilation passage is formed in the divided part, the protruding part lower than the lateral barrier rib to mutually connect the lateral barrier rib divided into two is formed in the ventilation passage.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了通过安装比行方向的阻挡肋低的突出部分来防止行方向的障肋倾斜到单元侧,以将行方向的两个分隔的阻挡肋 在通过将行方向的隔壁分成两列的方向安装的通风通道。 解决方案:在等离子体显示面板中,其中在一对基板之间形成放电空间,其中放电空间在每个单元处被沿行方向延伸的侧向障壁和在其中延伸的垂直隔板 列方向,其中横向隔离肋在列方向上被分成两部分,并且在分隔部分中形成通气通道,突出部分比侧壁障碍物低,以将分隔成两个的侧壁隔肋相互连接 形成在通气通道中。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • 機器管理装置及び機器管理システム
    • 设备管理设备和设备管理系统
    • JP2015015578A
    • 2015-01-22
    • JP2013140667
    • 2013-07-04
    • 株式会社日立製作所Hitachi Ltd
    • IMAI MITSUHIROTERAOKA HIDETOSHIKOSAKA TADAYOSHI
    • H04L12/28
    • 【課題】ECHONET Lite規格に準拠した機器のトレースに用いる情報を取得する。【解決手段】通信ネットワーク5に接続するECHONET Lite規格に準拠した管理対象機器20と通信可能に接続する機器管理装置10が、管理対象機器20から、ECHONET Lite規格に関して管理対象機器20が記憶している情報及び通信ネットワーク5における通信に関して記憶している情報を取得し、ECHONET Lite規格における「識別番号」、ECHONET Lite規格における「メーカコード」と「製造番号」の組み合わせ、通信ネットワーク5において管理対象機器20に付与されているOSI参照モデルの第2層の通信アドレス(「MACアドレス」)、ECHONET Lite規格における「個体識別情報」のうちのいずれかをトレース情報として選択する。【選択図】図7
    • 要解决的问题:获取符合ECHONET Lite标准的设备的跟踪信息。解决方案:一种设备管理设备10,其可通信地连接到符合ECHONET Lite标准的管理对象设备20,该标准连接到通信网络 5从管理对象装置20获取通信网络5中的信息和存储在管理对象装置20中的关于ECHONET Lite标准的信息,并且选择以下之一作为跟踪信息:ECHONET Lite标准中的“识别号码” ; ECHONET Lite标准中的“制造商代码”和“序列号”的组合; OSI参考模型的第二层中的通信地址(“MAC地址”)被传给通信网络5中的管理对象设备20; 和ECHONET Lite标准中的“个人识别信息”。