公开(公告)号：US20120062682A1

公开(公告)日：2012-03-15

申请号：US13230065

申请日：2011-09-12

申请人： Kunihiro KOMAI ,  Izumi Kinoshita ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takuhei Yokoyama ,  Takeshi Shikama ,  Akinori Yamaguchi

发明人： Kunihiro KOMAI ,  Izumi Kinoshita ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takuhei Yokoyama ,  Takeshi Shikama ,  Akinori Yamaguchi

IPC分类号： B41J2/385

CPC分类号： H04N1/40056 ,  G03G15/04018 ,  H04N1/506

摘要： An embodiment of the image processing apparatus for controlling the lighting of a line head that is driven with binary data and performs exposure with subline lighting to thereby form images, includes: a subline generating unit that generates a plurality of sublines from a same image data; an inclination correcting unit that exposes the generated sublines so as to generate correction image data used to correct an inclination of an exposure position; a gradation control unit that controls the lighting of sublines based on the correction image data generated by the inclination correcting unit to express gradation; and a light intensity correction unit that corrects and controls the light intensity based on the correction image data generated by the inclination correcting unit, wherein an output of the gradation control unit and an output of the light intensity correction unit are input into the line head in parallel.

摘要翻译： 用于控制用二进制数据驱动的线头照明的图像处理装置的实施例，并且利用子线照明进行曝光从而形成图像，包括：从线图生成单元，从同一图像数据生成多个子线; 倾斜校正单元，其暴露所生成的子线以产生用于校正曝光位置的倾斜度的校正图像数据; 灰度控制单元，其基于由倾斜校正单元生成的校正图像数据来控制子系列的点亮以表示灰度; 以及光强度校正单元，其基于由倾斜校正单元生成的校正图像数据校正和控制光强度，其中灰度控制单元的输出和光强度校正单元的输出被输入到行头中 平行。

公开(公告)号：US08547409B2

公开(公告)日：2013-10-01

申请号：US13307865

申请日：2011-11-30

申请人： Takuhei Yokoyama ,  Izumi Kinoshita ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Akinori Yamaguchi

发明人： Takuhei Yokoyama ,  Izumi Kinoshita ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Akinori Yamaguchi

IPC分类号： B41J2/435

CPC分类号： B41J2/45 ,  G03G15/04054 ,  G03G15/043 ,  G03G15/5008 ,  G03G15/5033 ,  G03G15/505 ,  G03G21/145 ,  G03G2215/0132 ,  G03G2215/0409

摘要： A light emission control device images an electrostatic latent image on a photosensitive element by a plurality of light emitting elements corresponding to a line in a second direction perpendicular to a first direction which is a rotational direction the photosensitive element. The light emission control device includes: a detecting unit that detects a rotational position of the photosensitive element, in the first direction, corresponding to a line in the second direction; an acquiring unit that acquires a distance between the light emitting elements and the rotational position of the photosensitive element in the first direction detected by the detecting unit; and a control unit that controls light emission by the light emitting elements according to the distance acquired by the acquiring unit and corrects a fluctuation in a density of a visible image converted from the electrostatic latent image.

摘要翻译： 发光控制装置通过与作为感光元件的旋转方向的第一方向垂直的第二方向上的线对应的多个发光元件将感光元件上的静电潜像成像。 发光控制装置包括：检测单元，其在与第二方向上的线对应的第一方向上检测感光元件的旋转位置; 获取单元，其获取由所述检测单元检测到的所述发光元件与所述感光元件在所述第一方向上的旋转位置之间的距离; 以及控制单元，其根据由所述获取单元获取的距离来控制所述发光元件的发光，并校正从所述静电潜像转换的可见图像的浓度的波动。

公开(公告)号：US08482588B2

公开(公告)日：2013-07-09

申请号：US13230104

申请日：2011-09-12

申请人： Tatsuya Miyadera ,  Kunihiro Komai ,  Izumi Kinoshita ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Takuhei Yokoyama ,  Akinori Yamaguchi

发明人： Tatsuya Miyadera ,  Kunihiro Komai ,  Izumi Kinoshita ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Takuhei Yokoyama ,  Akinori Yamaguchi

IPC分类号： B41J2/385 ,  B41J2/435 ,  B41J2/47

CPC分类号： G03G15/043 ,  H04N1/3878

摘要： An optical writing device that forms an electrostatic latent image on a photoreceptor. The device includes a pixel-information acquiring unit, a line-pixel-information storage unit that stores the acquired pixel information corresponding to a plurality of lines for each main scanning line, a light source device that exposes the photoreceptor with a period corresponding to an N-fold sub-scanning direction resolution of the pixel information, a positional-shift-information storage unit that stores a positional shift information, a sub-line counting unit that counts a sub-line period, a reading-line selecting unit that performs N times of selection that determines which main scanning line is selected as the line from which the pixel information is read out, on the basis of a calculated value from the counted value of the sub-line period and the positional shift information, and a pixel-information reading unit.

摘要翻译： 一种在感光体上形成静电潜像的光学写入装置。 该装置包括：像素信息获取单元，存储与每个主扫描线对应的多行的所获取的像素信息的行像素信息存储单元，以与对应于 像素信息的N倍副扫描方向分辨率，存储位置偏移信息的位置偏移信息存储单元，对子行周期进行计数的子行计数单元，执行的读取行选择单元 基于从子行周期的计数值和位置偏移信息的计算值，确定选择哪个主扫描线作为从其读出像素信息的行的选择的N次，以及像素 信息阅读单位。

公开(公告)号：US20120147114A1

公开(公告)日：2012-06-14

申请号：US13307865

申请日：2011-11-30

申请人： Takuhei YOKOYAMA ,  Izumi Kinoshita ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Akinori Yamaguchi

发明人： Takuhei YOKOYAMA ,  Izumi Kinoshita ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takeshi Shikama ,  Akinori Yamaguchi

IPC分类号： B41J2/385

CPC分类号： B41J2/45 ,  G03G15/04054 ,  G03G15/043 ,  G03G15/5008 ,  G03G15/5033 ,  G03G15/505 ,  G03G21/145 ,  G03G2215/0132 ,  G03G2215/0409

摘要： A light emission control device images an electrostatic latent image on a photosensitive element by a plurality of light emitting elements corresponding to a line in a second direction perpendicular to a first direction which is a rotational direction the photosensitive element. The light emission control device includes: a detecting unit that detects a rotational position of the photosensitive element, in the first direction, corresponding to a line in the second direction; an acquiring unit that acquires a distance between the light emitting elements and the rotational position of the photosensitive element in the first direction detected by the detecting unit; and a control unit that controls light emission by the light emitting elements according to the distance acquired by the acquiring unit and corrects a fluctuation in a density of a visible image converted from the electrostatic latent image.

摘要翻译： 发光控制装置通过与作为感光元件的旋转方向的第一方向垂直的第二方向上的线对应的多个发光元件将感光元件上的静电潜像成像。 发光控制装置包括：检测单元，其在与第二方向上的线对应的第一方向上检测感光元件的旋转位置; 获取单元，其获取由所述检测单元检测到的所述发光元件与所述感光元件在所述第一方向上的旋转位置之间的距离; 以及控制单元，其根据由所述获取单元获取的距离来控制所述发光元件的发光，并校正从所述静电潜像转换的可见图像的浓度的波动。

公开(公告)号：US08395648B2

公开(公告)日：2013-03-12

申请号：US13046893

申请日：2011-03-14

申请人： Tatsuya Miyadera ,  Masayuki Hayashi ,  Yoshinori Shirasaki

发明人： Tatsuya Miyadera ,  Masayuki Hayashi ,  Yoshinori Shirasaki

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： B41J2/473 ,  G02B26/123 ,  G02B26/127 ,  G03G15/043 ,  G06K15/1219 ,  H04N1/113 ,  H04N2201/0477

摘要： An optical writer includes a scanning part causing a light beam from a light source to perform scanning on a photosensitive body; an image information obtaining part obtaining image information of an image; a dithering information obtaining part obtaining dithering information of the image; a pixel clock generating part generating a pixel clock signal; and a light emission control part to control the light source based on the image information in accordance with the pixel clock signal. The pixel clock generating part modulates the clock frequency of the pixel clock signal in accordance with phase shift information for correcting a change in the speed of the scanning on main scanning lines on the photosensitive body, and determines the timing of modulating the clock frequency based on the dithering information on a main scanning line basis so that the timing of modulating the clock frequency differs between the main scanning lines.

摘要翻译： 光学写入器包括使来自光源的光束在感光体上进行扫描的扫描部分; 获取图像的图像信息的图像信息获取部分; 抖动信息获取部分获得图像的抖动信息; 产生像素时钟信号的像素时钟产生部分; 以及发光控制部，其根据像素时钟信号基于图像信息来控制光源。 像素时钟生成部根据用于校正感光体上的主扫描线上的扫描速度的变化的相移信息来调制像素时钟信号的时钟频率，并且基于 在主扫描线基础上的抖动信息，使得调制时钟频率的定时在主扫描线之间不同。

公开(公告)号：US08983330B2

公开(公告)日：2015-03-17

申请号：US13773780

申请日：2013-02-22

申请人： Akinobu Nakamura ,  Yutaka Aso ,  Fuminori Tsuchiya ,  Susumu Miyazaki ,  Keita Yoshikawa ,  Tatsuya Miyadera ,  Motohiro Kawanabe

发明人： Akinobu Nakamura ,  Yutaka Aso ,  Fuminori Tsuchiya ,  Susumu Miyazaki ,  Keita Yoshikawa ,  Tatsuya Miyadera ,  Motohiro Kawanabe

IPC分类号： G03G15/00 ,  H02M7/12 ,  H02M3/335 ,  H02M7/217 ,  H02M1/00

CPC分类号： H02M7/12 ,  H02M3/33561 ,  H02M7/217 ,  H02M2001/0032 ,  Y02B70/16

摘要： Disclosed is a power supply including a first voltage generating unit that generates a first voltage from an external power supply; a second voltage generating unit that generates a first predetermined voltage and supplies the generated first predetermined voltage to the load; a third voltage generating unit that generates the first predetermined voltage and supplies the generated first predetermined voltage to the load; and a controller that causes the first voltage to be greater than or equal to a second voltage during a first mode, and causes the first voltage to be less than the second voltage during a second mode. During the first mode, the power is supplied from the second voltage generating unit and the third voltage generating unit to the load, and during the second mode, the power is supplied from the third voltage generating unit to the load.

摘要翻译： 公开了一种电源，包括从外部电源产生第一电压的第一电压产生单元; 第二电压产生单元，其产生第一预定电压并将产生的第一预定电压提供给负载; 第三电压产生单元，其产生所述第一预定电压并将所产生的第一预定电压提供给所述负载; 以及在第一模式期间使第一电压大于或等于第二电压的控制器，并且在第二模式期间使第一电压小于第二电压。 在第一模式期间，从第二电压产生单元和第三电压产生单元向负载提供电力，并且在第二模式期间，电力从第三电压产生单元提供给负载。

公开(公告)号：US20120262750A1

公开(公告)日：2012-10-18

申请号：US13444018

申请日：2012-04-11

申请人： Izumi KINOSHITA ,  Tatsuya Miyadera ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Susumu Miyazaki ,  Takuhei Yokoyama

发明人： Izumi KINOSHITA ,  Tatsuya Miyadera ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Susumu Miyazaki ,  Takuhei Yokoyama

IPC分类号： G06K15/00

CPC分类号： G03G15/5058 ,  B41J2/45 ,  G03G2215/0141 ,  G03G2215/0161 ,  G06K15/1247 ,  G06K15/1868

摘要： An image forming apparatus includes plural image forming units of plural colors, each including a print head including plural LED chips aligned in a main scanning direction; a screen angle selecting unit that selects screen angles for the plural colors respectively based on the amounts of skew of the plural image forming units; an image processing unit that performs image processing on input data to be expressed by pixels of the plural colors such that the pixels of the colors have the corresponding screen angles selected by the screen angle selecting unit; a correction amount determining unit that determines a total amount of skew correction based on the amount of skew detected by the skew detection unit, and determines the amounts of skew correction in the sub-scanning direction for predetermined groups of the pixels, based on the total amount of skew correction, for each of the colors.

摘要翻译： 图像形成装置包括多个颜色的图像形成单元，每个图像形成单元包括在主扫描方向上排列的多个LED芯片的打印头; 屏幕角度选择单元，分别基于多个图像形成单元的偏斜量来选择多种颜色的屏幕角度; 图像处理单元，对由多个颜色的像素表示的输入数据执行图像处理，使得颜色的像素具有由屏幕角度选择单元选择的相应屏幕角度; 校正量确定单元，其基于由所述歪斜检测单元检测到的歪斜量来确定歪斜校正的总量，并且基于总计来确定预定组像素的副扫描方向上的歪斜校正量 每种颜色的偏斜校正量。

公开(公告)号：US08654419B2

公开(公告)日：2014-02-18

申请号：US13415082

申请日：2012-03-08

申请人： Susumu Miyazaki ,  Izumi Kinoshita ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Takuhei Yokoyama ,  Tatsuya Miyadera

发明人： Susumu Miyazaki ,  Izumi Kinoshita ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Takuhei Yokoyama ,  Tatsuya Miyadera

IPC分类号： H04N1/46

CPC分类号： H04N1/3878 ,  H04N1/407 ,  H04N1/409

摘要： An image forming apparatus performs pseudo gradation processing using dithering, and includes an image carrier; a plurality of light-emitting element arrays arranged in a main-scanning direction and including a plurality of light-emitting elements; an image forming unit performing lighting control of the arrays and forming a pattern image on the image carrier; a detecting unit detecting a density of the pattern image; a position detecting unit detecting a position in the main-scanning direction of the detecting unit with respect to the light-emitting element arrays; a determining unit that, based on the detected position, determines whether the detecting unit is positioned at a proper detection position with respect to the pattern image on which noise has no effect; and an operation control unit that, when the detecting unit is positioned at the proper detection position, performs an image density detection operation on the pattern image using the detecting unit.

摘要翻译： 图像形成装置使用抖动进行伪灰度处理，并且包括图像载体; 沿主扫描方向排列并包括多个发光元件的多个发光元件阵列; 图像形成单元，对所述阵列执行点亮控制，并在所述图像载体上形成图案图像; 检测单元，检测图案图像的浓度; 位置检测单元，相对于所述发光元件阵列检测所述检测单元的主扫描方向的位置; 确定单元，其基于所检测的位置，确定所述检测单元是否位于相对于其上没有影响的图案图像的适当检测位置; 以及操作控制单元，当所述检测单元位于适当的检测位置时，使用所述检测单元对所述图案图像执行图像浓度检测操作。

公开(公告)号：US08600283B2

公开(公告)日：2013-12-03

申请号：US13444018

申请日：2012-04-11

申请人： Izumi Kinoshita ,  Tatsuya Miyadera ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Susumu Miyazaki ,  Takuhei Yokoyama

发明人： Izumi Kinoshita ,  Tatsuya Miyadera ,  Motohiro Kawanabe ,  Takeshi Shikama ,  Susumu Miyazaki ,  Takuhei Yokoyama

IPC分类号： G03G15/00 ,  G06F3/12

CPC分类号： G03G15/5058 ,  B41J2/45 ,  G03G2215/0141 ,  G03G2215/0161 ,  G06K15/1247 ,  G06K15/1868

摘要： An image forming apparatus includes plural image forming units of plural colors, each including a print head including plural LED chips aligned in a main scanning direction; a screen angle selecting unit that selects screen angles for the plural colors respectively based on the amounts of skew of the plural image forming units; an image processing unit that performs image processing on input data to be expressed by pixels of the plural colors such that the pixels of the colors have the corresponding screen angles selected by the screen angle selecting unit; a correction amount determining unit that determines a total amount of skew correction based on the amount of skew detected by the skew detection unit, and determines the amounts of skew correction in the sub-scanning direction for predetermined groups of the pixels, based on the total amount of skew correction, for each of the colors.

摘要翻译： 图像形成装置包括多个颜色的图像形成单元，每个图像形成单元包括在主扫描方向上排列的多个LED芯片的打印头; 屏幕角度选择单元，分别基于多个图像形成单元的偏斜量来选择多种颜色的屏幕角度; 图像处理单元，对由多个颜色的像素表示的输入数据执行图像处理，使得颜色的像素具有由屏幕角度选择单元选择的相应屏幕角度; 校正量确定单元，其基于由所述歪斜检测单元检测到的歪斜量来确定歪斜校正的总量，并且基于总计来确定预定组像素的副扫描方向上的歪斜校正量 每种颜色的偏斜校正量。

公开(公告)号：US20110043592A1

公开(公告)日：2011-02-24

申请号：US12862144

申请日：2010-08-24

申请人： Izumi KINOSHITA ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takuhei Yokoyama

发明人： Izumi KINOSHITA ,  Kunihiro Komai ,  Tatsuya Miyadera ,  Yoshinori Shirasaki ,  Takuhei Yokoyama

IPC分类号： B41J2/435

CPC分类号： G06K15/1247

摘要： An optical writing device includes: a light source including arrays arranged in a main scanning direction, each array including light-emitting elements arranged in the main scanning direction; a correction-value holding unit to hold, correspondingly with a light-emitting element, a correction value for changing timing to read out pixel data stored in an image storage unit; and a light-source drive unit to drive the light source by reading out the stored pixel data stored, according to the correction value. The correction-value holding unit includes a first area for holding a first correction value corresponding to a first light-emitting element located at an end of an array and a second area for holding a second correction value corresponding to a second light-emitting element other than the first light-emitting element, the first holding area being larger than the second holding area.

摘要翻译： 光写入装置包括：包括沿主扫描方向布置的阵列的光源，每个阵列包括沿主扫描方向布置的发光元件; 校正值保持单元，与发光元件对应地保持用于改变定时的校正值，以读出存储在图像存储单元中的像素数据; 以及光源驱动单元，通过根据校正值读出存储的所存储的像素数据来驱动光源。 校正值保持单元包括用于保持对应于位于阵列末端的第一发光元件的第一校正值的第一区域和用于保持对应于第二发光元件的第二校正值的第二区域的其他 第一保持区域大于第二保持区域。