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    • 61. 发明授权
    • Image reading apparatus and image forming apparatus
    • 图像读取装置和图像形成装置
    • US08564859B2
    • 2013-10-22
    • US13202132
    • 2010-01-28
    • Mitsuharu YoshimotoKenji TanakaKenji NakanishiShohichi Fukutome
    • Mitsuharu YoshimotoKenji TanakaKenji NakanishiShohichi Fukutome
    • H04N1/46
    • H04N1/40012H04N1/1017H04N1/193H04N1/486H04N2201/33378
    • An image reading apparatus comprises: an image reading unit that includes a platen glass and a color contact image sensor configured by a line image sensor for reading red, a line image sensor for reading green, and a line image sensor for reading blue, the line image sensors being disposed in a sub-scanning direction of an original; and an automatic original feeder. In the image reading apparatus, the line image sensor for reading red and the line image sensor for reading green are disposed so that a line gap therebetween is two lines, and in a monochrome mode in which a color original is read and output as a monochrome image, the color original is read using the line image sensor for reading red and the line image sensor for reading green.
    • 一种图像读取装置,包括:图像读取单元,其包括台板玻璃和由用于读取红色的线形图像传感器构成的彩色接触图像传感器,用于读取绿色的线形图像传感器和用于读取蓝色的线形图像传感器, 图像传感器沿原稿的副扫描方向设置; 和自动原稿进纸器。 在图像读取装置中,用于读取红色的线形图像传感器和用于读取绿色的线形图像传感器被布置成使得它们之间的线间隔为两条线,并且在以单色方式读取并输出彩色原稿作为单色 图像,使用用于读取红色的线路图像传感器和用于读取绿色的线形图像传感器读取彩色原稿。
    • 63. 发明申请
    • IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS INCUDING THE SAME
    • 图像读取装置和形成装置的图像形成装置
    • US20110181921A1
    • 2011-07-28
    • US12987385
    • 2011-01-10
    • Shohichi FUKUTOMEMitsuharu YoshimotoHironori OgasawaraKenji NakanishiMasahiro Imoto
    • Shohichi FUKUTOMEMitsuharu YoshimotoHironori OgasawaraKenji NakanishiMasahiro Imoto
    • H04N1/04
    • H04N1/2032G03G15/50G03G15/60H04N1/12H04N1/193H04N1/407H04N1/4097
    • An image reading apparatus of the present invention includes a photoelectric transducer that performs reading scanning along a main scanning line and reads an original, the image reading apparatus obtaining a white shading level of pixels based on an output level of the photoelectric transducer obtained when a reference white is read, obtaining a black shading level of the pixels based on an output level of the photoelectric transducer obtained when a black reference is read or obtained in a dark condition, and correcting the output level of the photoelectric transducer obtained when an original image is read with the use of the white shading level and the black shading level, and the image reading apparatus further comprising a correction unit that obtains a variation amount of the white shading level between a pixel and other pixels in the vicinity of that pixel for each of pixels on the main scanning line, determines whether the variation amount exceeds a pre-set threshold value, and when the correction unit determines that the variation amount exceeds the threshold value, corrects the black shading level of the pixel subject to that determination to increase the black shading level.
    • 本发明的图像读取装置具有:沿着主扫描线进行读取扫描并读取原稿的光电变换器,所述图像读取装置基于当基准时获得的光电转换器的输出电平获得像素的白色阴影电平 基于当在黑暗条件下读取或获得黑色参考时获得的光电转换器的输出电平,并且校正当原始图像为原始图像时获得的光电转换器的输出电平,从而获得黑色黑色阴影电平 通过使用白色阴影电平和黑色阴影电平来读取,并且图像读取装置还包括校正单元,该校正单元获得像素与该像素附近的其他像素之间的白色阴影电平的变化量, 主扫描线上的像素,确定变化量是否超过预设阈值a 当校正单元确定变化量超过阈值时,校正经过该确定的像素的黑色阴影水平以增加黑色阴影水平。
    • 65. 发明申请
    • Driving method for vacuum fluorescent display, and vacuum fluorescent display
    • 真空荧光显示的驱动方法,真空荧光显示
    • US20100194788A1
    • 2010-08-05
    • US12657843
    • 2010-01-26
    • Shigeki KikutaKenji NakanishiNoboru MurataMotohisa Isaka
    • Shigeki KikutaKenji NakanishiNoboru MurataMotohisa Isaka
    • G09G5/10
    • G09G3/04G09G2310/06G09G2320/043
    • Luminance life can be enhanced in a vacuum fluorescent display that is driven according to a dynamic drive scheme and that uses a phosphor having remarkable luminance saturation. A drive method for a vacuum fluorescent display, having causing a phosphor layer formed on an anode to display under low-energy electron excitation by the dynamic driving, wherein the phosphor included in the phosphor layer is a phosphor in which the luminance increases when a pulse width is reduced under conditions in which the Du is kept the same in the dynamic driving, and in which, after a voltage is applied to the anode and the luminance of the phosphor is saturated, the time at which the luminance value decreases to 10% of the saturation luminance value following stoppage of the voltage application is 200 μsec or more; and wherein the pulse width and pulse repetition period in the dynamic driving are made variable in the direction of maintaining the initial luminance of the phosphor as driving time elapses.
    • 在根据动态驱动方案驱动并且使用具有显着亮度饱和度的荧光体的真空荧光显示器中,可以增强亮度寿命。 一种用于真空荧光显示器的驱动方法,其使形成在阳极上的荧光体层通过动态驱动在低能量电子激发下显示,其中包括在荧光体层中的荧光体是当脉冲的亮度增加时的荧光体 在动态驱动中Du保持相同的条件下,宽度减小,并且在将电压施加到阳极并且荧光体的亮度饱和之后,亮度值降低到10%的时间, 在电压施加停止后的饱和亮度值为200μsec以上; 并且其中动态驱动中的脉冲宽度和脉冲重复周期在维持荧光体的初始亮度的方向上随着驱动时间的流逝而变化。
    • 66. 发明授权
    • Document reading apparatus and method of calculating position adjustment amount
    • 文件阅读装置和计算位置调整量的方法
    • US07688483B2
    • 2010-03-30
    • US11829158
    • 2007-07-27
    • Tomohiko OkadaYasuhiro SutoShohichi FukutomeKenji TanakaMitsuharu YoshimotoHisashi YamanakaKenji NakanishiNoritomo NakashimaYoshikazu FukudaHiroshi SudohYutaka Fukuda
    • Tomohiko OkadaYasuhiro SutoShohichi FukutomeKenji TanakaMitsuharu YoshimotoHisashi YamanakaKenji NakanishiNoritomo NakashimaYoshikazu FukudaHiroshi SudohYutaka Fukuda
    • H04N1/04
    • H04N1/1013H04N1/1026H04N1/103H04N1/1052H04N1/401H04N2201/044H04N2201/0448
    • A document reading apparatus including: a first scanning section that moves in a scanning direction along a document surface, for supporting a first mirror to reflect an image of a document in a direction parallel to the scanning direction; an intermediate scanning section that moves synchronous with the first scanning section, for supporting an intermediate mirror to reflect the image of the document reflected by the first mirror in a direction opposite from an incident direction of the image; a reading section including an imaging sensor for reading the image of a scanned document and a focusing lens for focusing the image of the document reflected by the intermediate mirror on the imaging sensor; a driving wire for pulling the first scanning section in the scanning direction; a supporting pulley for supporting the driving wire at a starting side for scanning or at an ending side for scanning; a position adjustment section capable of adjusting a position of the supporting pulley in its axial direction; a control section for performing such control that the image for adjustment is read by the reading section when the first scanning section is located at a first position and at a second position in the scanning direction, and an adjustment amount of the position adjustment section is calculated based on a readout result of the image; and an output section for outputting the calculated adjustment amount.
    • 一种文件读取装置,包括:第一扫描部,其沿文件表面沿扫描方向移动,用于支撑第一反射镜以在与扫描方向平行的方向上反射原稿的图像; 中间扫描部,其与第一扫描部同步移动,用于支撑中间反射镜,以反射与第一反射镜反射的文件的图像在与图像的入射方向相反的方向上; 读取部分,包括用于读取扫描文档的图像的成像传感器和用于将由中间反射镜反射的原稿的图像聚焦在成像传感器上的聚焦透镜; 用于沿扫描方向拉动第一扫描部分的驱动线; 用于在用于扫描的起始侧支撑驱动线的支撑皮带轮或用于扫描的终止侧; 位置调整部,其能够调整所述支撑皮带轮的轴向位置; 控制部分,用于当第一扫描部分位于扫描方向上的第一位置和第二位置时,由读取部分读取调节图像,并且计算位置调整部分的调整量 基于图像的读出结果; 以及输出部,用于输出计算出的调整量。
    • 68. 发明申请
    • DOCUMENT READING APPARATUS AND METHOD OF CALCULATING POSITION ADJUSTMENT AMOUNT
    • 文件读取装置和计算位置调整金额的方法
    • US20080024839A1
    • 2008-01-31
    • US11829158
    • 2007-07-27
    • Tomohiko OKADAYasuhiro SutoShohichi FukutomaKenji TanakaMitsuharu YoshimotoHisashi YamanakaKenji NakanishiNoritomo NakashimaYoshikazu FukudaHiroshi SudohYutaka Fukuda
    • Tomohiko OKADAYasuhiro SutoShohichi FukutomaKenji TanakaMitsuharu YoshimotoHisashi YamanakaKenji NakanishiNoritomo NakashimaYoshikazu FukudaHiroshi SudohYutaka Fukuda
    • H04N1/028
    • H04N1/1013H04N1/1026H04N1/103H04N1/1052H04N1/401H04N2201/044H04N2201/0448
    • A document reading apparatus including: a first scanning section that moves in a scanning direction along a document surface, for supporting a first mirror to reflect an image of a document in a direction parallel to the scanning direction; an intermediate scanning section that moves synchronous with the first scanning section, for supporting an intermediate mirror to reflect the image of the document reflected by the first mirror in a direction opposite from an incident direction of the image; a reading section including an imaging sensor for reading the image of a scanned document and a focusing lens for focusing the image of the document reflected by the intermediate mirror on the imaging sensor; a driving wire for pulling the first scanning section in the scanning direction; a supporting pulley for supporting the driving wire at a starting side for scanning or at an ending side for scanning; a position adjustment section capable of adjusting a position of the supporting pulley in its axial direction; a control section for performing such control that the image for adjustment is read by the reading section when the first scanning section is located at a first position and at a second position in the scanning direction, and an adjustment amount of the position adjustment section is calculated based on a readout result of the image; and an output section for outputting the calculated adjustment amount.
    • 一种文件读取装置,包括:第一扫描部,其沿文件表面沿扫描方向移动,用于支撑第一反射镜以在与扫描方向平行的方向上反射原稿的图像; 中间扫描部,其与第一扫描部同步移动,用于支撑中间反射镜,以反射与第一反射镜反射的文件的图像在与图像的入射方向相反的方向上; 读取部分,包括用于读取扫描文档的图像的成像传感器和用于将由中间反射镜反射的原稿的图像聚焦在成像传感器上的聚焦透镜; 用于沿扫描方向拉动第一扫描部分的驱动线; 用于在用于扫描的起始侧支撑驱动线的支撑皮带轮或用于扫描的终止侧; 位置调整部,其能够调整所述支撑皮带轮的轴向位置; 控制部分,用于当第一扫描部分位于扫描方向上的第一位置和第二位置时,由读取部分读取调节图像,并且计算位置调整部分的调整量 基于图像的读出结果; 以及输出部,用于输出计算出的调整量。