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    • 1. 发明申请
    • Imaging optical system and rangefinder
    • 成像光学系统和测距仪
    • US20070263304A1
    • 2007-11-15
    • US11514183
    • 2006-09-01
    • Norihisa SakagamiTakahiro FujiokaKouei Hatade
    • Norihisa SakagamiTakahiro FujiokaKouei Hatade
    • G02B5/08
    • G02B17/0642
    • To provide a compact imaging optical system using reflecting mirrors that can be equipped and used in a vehicle or the like. An imaging optical system according to the invention includes three reflecting mirrors (103, 107, 109) and configured, when an XYZ orthogonal coordinate system using an optical axis at the center of the field of view as Z-axis is determined, so that the optical axis at the center of the field of view and an optical axis of an image surface may be in parallel by changing orientation of the optical axis in a YZ section while maintaining the orientation of the optical axis in an XZ section, wherein a shape of a YZ section of at least one reflecting mirror is made asymmetric with respect to Z-axis of local coordinates of each reflection surface for reducing aberration.
    • 为了提供使用可以在车辆等中配备和使用的反射镜的紧凑型成像光学系统。 根据本发明的成像光学系统包括三个反射镜(103,107,109),并且当确定使用在视场中心的光轴作为Z轴的XYZ正交坐标系时,使得 视野中心的光轴和图像表面的光轴可以通过在YZ部分中改变光轴的取向同时保持X轴部分中的光轴的取向而平行,其中形状 至少一个反射镜的YZ部分相对于每个反射面的局部坐标的Z轴是不对称的,以减小像差。
    • 2. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06232941B1
    • 2001-05-15
    • US09165742
    • 1998-10-05
    • Yukihide OdeAkira OguraKentaro AgataKazunari KurokawaTakahiro FujiokaHiroshi KatayanagiMitsuru Goto
    • Yukihide OdeAkira OguraKentaro AgataKazunari KurokawaTakahiro FujiokaHiroshi KatayanagiMitsuru Goto
    • G09G336
    • G09G3/3688G09G3/2011G09G3/3614G09G2310/027G09G2310/0297H03M1/682H03M1/76H03M1/804
    • A liquid crystal display device is capable of generating gradation voltages for multilevel gradation, such as 256-level gradation, without increasing the chip size of video signal line driving means. The video signal line driving means for applying video signal voltages for multilevel gradation in accordance with m-bit display data is provided with a first gradation voltage generator for generating (2n+1) first gradation voltages, a selector for selecting first gradation voltages adjacent to each other out of (2n+1) first gradation voltages generated by the first gradation voltage generator in accordance with the bit values of high-order n bits of the m-bit display data, while keeping the magnitude relationship between the (2n+1) first gradation voltages unchanged, and a second gradation voltage generator for generating and outputting one of 2m-n gradation voltages dividing first gradation voltages adjacent to each other into 2m-n voltages from the first gradation voltages adjacent to each other selected by the selector in accordance with the bit values of low-order (m-n) bits of the display data.
    • 液晶显示装置能够在不增加视频信号线驱动装置的芯片尺寸的情况下产生诸如256级灰度等多级灰度的灰度电压。 用于根据m位显示数据应用用于多级灰度的视频信号电压的视频信号线驱动装置设置有用于产生(2n + 1)个第一灰度电压的第一灰度电压发生器,用于选择与第 根据m位显示数据的高位n位的位值,由第一灰度级电压发生器产生的(2n + 1)个第一灰度级电压彼此相对,同时保持(2n + 1) )第一灰度电压不变,以及第二灰度电压发生器,用于从由选择器选择的彼此相邻的第一灰度电压产生并输出将彼此相邻的第一灰度电压分成2m-n个电压的2m-n个灰度级电压之一 根据显示数据的低位(mn)位的位值。
    • 4. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20080036723A1
    • 2008-02-14
    • US11905356
    • 2007-09-28
    • Takahiro FujiokaShigeru ItoMitsuru GotoYozo NakayasuYoshiyuki Saito
    • Takahiro FujiokaShigeru ItoMitsuru GotoYozo NakayasuYoshiyuki Saito
    • G09G3/36
    • G09G3/3688G09G3/2011G09G5/18G09G2370/08
    • A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.
    • 提供一种液晶显示装置,其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中,液晶驱动器电路可操作以接收作为其输入的图像信号,以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化,然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压,其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。
    • 7. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US06862015B2
    • 2005-03-01
    • US09836339
    • 2001-04-18
    • Takahiro FujiokaShigeru ItoMitsuru GotoYozo NakayasuYoshiyuki Saito
    • Takahiro FujiokaShigeru ItoMitsuru GotoYozo NakayasuYoshiyuki Saito
    • G02F1/133G09G3/20G09G3/36G09G5/18H04N5/66
    • G09G3/3688G09G3/2011G09G5/18G09G2370/08
    • A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.
    • 提供一种液晶显示装置,其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中,液晶驱动器电路可操作以接收作为其输入的图像信号,以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化,然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压,其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。