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    • 7. 发明授权
    • Electro-optical device, driving method therefor, and electronic apparatus
    • 电光装置及其驱动方法和电子设备
    • US08497831B2
    • 2013-07-30
    • US11534948
    • 2006-09-25
    • Akihiko Ito
    • Akihiko Ito
    • G09G3/36
    • G09G3/3688G09G3/3614G09G3/3648G09G2310/0248G09G2310/0297G09G2310/08
    • An electro-optical device includes pixel electrodes corresponding to intersections of a plurality of scanning lines and a plurality of data lines and specific to the pixels, a common electrode facing the pixel electrode, and a switching element that establishes conduction between the data line and the pixel electrode when a selection voltage is applied to the scanning line, a control circuit that supplies a high voltage having a predetermined value and a low voltage lower than the high voltage alternately at predetermined intervals to the common electrode; a scanning line driving circuit that selects the plurality of scanning lines in a predetermined order and that applies the selection voltage to each of the selected scanning lines; and a data line driving circuit that supplies a data signal defining the grayscale levels of the pixels to the data lines in a period during which one of the scanning lines is selected and during which the voltage applied to the common electrode is maintained at the high voltage or the low voltage and that performs a precharge operation for precharging the plurality of data lines to a predetermined potential in a period of time including a period during which the voltage applied to the common electrode changes from one of the high voltage and the low voltage to the other.
    • 电光装置包括对应于多个扫描线和多个数据线并且特定于像素的交点的像素电极,面向像素电极的公共电极以及建立数据线与第一电极之间的导通的开关元件 向扫描线施加选择电压时的像素电极;控制电路,其以预定间隔以预定间隔交替地向所述公共电极提供具有预定值的高电压和低于所述高电压的低电压; 扫描线驱动电路,其以预定顺序选择所述多条扫描线,并将所述选择电压施加到每条所选择的扫描线; 以及数据线驱动电路,其在选择了扫描线之一并且施加到公共电极的电压保持在高电压的期间内将限定像素的灰度级的数据信号提供给数据线 或低电压,并且在包括施加到公共电极的电压从高电压和低电压之一变化的时段的时间段内执行用于将多条数据线预充电到预定电位的预充电操作, 另一个。
    • 8. 发明申请
    • ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
    • 电光设备和电子设备
    • US20130070005A1
    • 2013-03-21
    • US13602743
    • 2012-09-04
    • Toshiaki TokumuraAkihiko Ito
    • Toshiaki TokumuraAkihiko Ito
    • G09G5/10
    • G09G3/003G09G3/3614G09G3/3648G09G2320/0285G09G2340/16
    • A driving circuit applies a voltage according to an assigned grayscale during each unit period of each display period, in such a manner that the applied voltage to a liquid crystal element during one of the unit periods and the applied voltage to the liquid crystal element during the other of the unit periods are opposite in polarity during each of the display periods, and an overdrive control unit enables the drive circuit to perform overdrive of a compensation grayscale according to a display image during the corresponding display period and to a display image during the immediately preceding display period during each of the first and second unit periods of each of the display periods, during each of the display periods.
    • 驱动电路在每个显示周期的每个单位周期期间根据分配的灰度级施加电压,使得在单个周期期间的一个中施加的电压到液晶元件期间的施加电压和 在每个显示周期期间,其他单位周期的极性相反,并且过驱动控制单元使得驱动电路能够在相应的显示周期期间根据显示图像执行补偿灰度的过驱动,并且在立即期间对显示图像执行 在每个显示周期期间,在每个显示周期的每个第一和第二单位周期期间的前一显示周期。
    • 9. 发明授权
    • Paper feeding device
    • 送纸装置
    • US08240593B2
    • 2012-08-14
    • US12378178
    • 2009-02-11
    • Akihiko Ito
    • Akihiko Ito
    • B65H43/00
    • B65H16/021B65H16/005B65H26/08B65H2301/41522B65H2511/114B65H2511/142B65H2701/1936B65H2801/12B65H2220/03B65H2220/04B65H2220/11B65H2220/01
    • A paper feeding device that feeds a sheet of a paper roll to a printing device includes two spaced-apart side plates having opposed first notches for rotatably bearing-supporting a first paper roll and opposed second notches for rotatably bearing-supporting a second paper roll that may have a different diameter in an unused state from that of the first paper roll. A near end sensor for detecting the remaining amount of the paper rolls is slidably positioned in a linear groove formed in one of the side plates. The linear groove having a longitudinal axis that passes through a midpoint of a straight line connecting a rotation center of a first paper roll bearing-supported in the first notches and a rotation center of a second paper roll bearing-supported in the second notches. When first and second paper rolls of different sizes are used, if both paper rolls are wound on paper tubes of the same size, the position of the near end sensor need not be changed, which is a great convenience for the user.
    • 将纸卷供给打印装置的送纸装置包括两个间隔开的侧板,其具有相对的第一切口,用于可旋转地支承第一纸卷,并且相对的第二切口用于可旋转地支撑支撑第二纸卷, 可以具有不同于第一纸卷的直径的不使用状态。 用于检测纸卷的剩余量的近端传感器可滑动地定位在形成在一个侧板中的直线槽中。 所述直线槽具有穿过连接支承在所述第一凹口中的第一纸卷的旋转中心的直线的中点的纵向轴线和在所述第二凹口中承载的第二纸卷的旋转中心。 当使用不同尺寸的第一和第二纸卷时,如果两个纸卷都卷绕在相同尺寸的纸管上,则不需要改变近端传感器的位置,这对用户来说是非常方便的。