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1. 发明申请

US20120154827A1 LINE-HEAD CONTROL DEVICE, IMAGE FORMING APPARATUS, AND LINE-HEAD CONTROL METHOD 有权
标题翻译：线头控制装置，图像形成装置和线头控制方法
公开(公告)号：US20120154827A1
公开(公告)日：2012-06-21
申请号：US13300834
申请日：2011-11-21
申请人： Yoshinori SHIRASAKI , Izumi KINOSHITA , Kunihiro KOMAI , Tatsuya MIYADERA , Takeshi SHIKAMA , Takuhei YOKOYAMA , Akinori YAMAGUCHI
发明人： Yoshinori SHIRASAKI , Izumi KINOSHITA , Kunihiro KOMAI , Tatsuya MIYADERA , Takeshi SHIKAMA , Takuhei YOKOYAMA , Akinori YAMAGUCHI
IPC分类号： G06K15/02 , G06F15/00
CPC分类号： G06K15/1247 , G06K15/1223 , G06K15/1868
摘要： A line-head control device that controls a line head includes: a calculation unit that divides image data into a plurality of areas in sub-scanning direction and calculates a printing percentage for each of the areas; an allocation unit that allocates a total correction amount, for correcting magnification of the image data in the sub-scanning direction, to the areas according to the printing percentage for each of the areas calculated by the calculation unit; and a control unit that changes an emission period of the light emitted from the line head so as to satisfy a partial correction amount that is an allocation of the total correction amount to each of the areas, exposes the image carrier to the light emitted from the line head with the changed light emission period, thereby causing a latent image to be formed on the image carrier based on the image data.
摘要翻译：控制行头的行头控制装置包括：计算单元，其将图像数据分割成副扫描方向的多个区域，并计算每个区域的打印百分比; 分配单元，其分配用于将副扫描方向上的图像数据的倍率校正到根据由计算单元计算出的每个区域的打印百分比的区域的总校正量; 以及控制单元，其改变从线路头发射的光的发射周期以满足作为对每个区域的总校正量的分配的部分校正量，将图像载体暴露于从具有改变的发光周期的线头，从而基于图像数据在图像载体上形成潜像。

2. 发明申请

US20120062681A1 OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, AND METHOD AND PROGRAM PRODUCT FOR CONTROLLING OPTICAL WRITING DEVICE 有权
标题翻译：光学写入装置，图像形成装置，以及用于控制光学写入装置的方法和程序产品
公开(公告)号：US20120062681A1
公开(公告)日：2012-03-15
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
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。

3. 发明申请

US20120061909A1 IMAGE PROCESSING APPARATUS, AN IMAGE FORMING APPARATUS, AN IMAGE PROCESSING METHOD AND A RECORDING MEDIUM 有权
标题翻译：图像处理装置，图像形成装置，图像处理方法和记录介质
公开(公告)号：US20120061909A1
公开(公告)日：2012-03-15
申请号：US13224843
申请日：2011-09-02
申请人： Takeshi SHIKAMA , Tatsuya MIYADERA , Izumi KINOSHITA , Kunihiro KOMAI , Yoshinori SHIRASAKI , Akinori YAMAGUCHI , Takuhei YOKOYAMA
发明人： Takeshi SHIKAMA , Tatsuya MIYADERA , Izumi KINOSHITA , Kunihiro KOMAI , Yoshinori SHIRASAKI , Akinori YAMAGUCHI , Takuhei YOKOYAMA
IPC分类号： B65H9/20 , B65H7/02
CPC分类号： B65H7/08 , B65H2511/242 , B65H2511/514 , B65H2701/1311 , B65H2701/1313 , B65H2801/06 , G03G15/6567 , G03G2215/0161 , B65H2220/03 , B65H2220/01
摘要： An image processing apparatus includes a reading part configured to optically read skew amount measurement patterns and opposite ends of a paper sheet; an image skew amount detecting part configured to detect skew amounts on a color basis based on the skew amount measurement patterns; a paper sheet skew amount detecting part configured to detect a skew amount of the paper sheet based on a displacement between the opposite ends of the paper sheet; a skew correction amount calculating part configured to calculate skew correction amounts of the respective colors based on the skew amounts; and a skew correcting part configured to shift the images to correct the skews by recording input image data in plural lines of a line memory, dividing the input image data into plural areas in a main scanning direction, and setting line delay amounts on an area basis based on the skew correction amounts.
摘要翻译：一种图像处理装置，包括读取部件，被配置为光学读取纸张的偏斜量测量图案和相对的两端; 图像偏移量检测部，被配置为基于所述偏斜量测量图案来检测基于颜色的倾斜量; 纸张歪斜量检测部件，被配置为基于纸张的相对端之间的位移来检测纸张的歪斜量; 歪斜校正量计算部，被配置为基于所述歪斜量来计算各颜色的倾斜校正量; 以及偏斜校正部，被配置为通过在行存储器的多行中记录输入图像数据来移位图像以校正偏差，将输入图像数据分割成主扫描方向的多个区域，并且基于区域设置线延迟量基于歪斜校正量。

4. 发明申请

US20130242318A1 IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING THE SAME 有权
标题翻译：图像形成装置及其控制方法
公开(公告)号：US20130242318A1
公开(公告)日：2013-09-19
申请号：US13782248
申请日：2013-03-01
申请人： Akinori YAMAGUCHI , Masayuki HAYASHI , Hiroaki IKEDA , Kunihiro KOMAI , Tatsuya MIYADERA , Takeshi SHIKAMA , Takuhei YOKOYAMA , Yoshinori SHIRASAKI , Motohiro KAWANABE
发明人： Akinori YAMAGUCHI , Masayuki HAYASHI , Hiroaki IKEDA , Kunihiro KOMAI , Tatsuya MIYADERA , Takeshi SHIKAMA , Takuhei YOKOYAMA , Yoshinori SHIRASAKI , Motohiro KAWANABE
IPC分类号： G06K15/02
CPC分类号： G06K15/1878 , G03G15/5058 , G03G2215/0141
摘要： In the invention, an inclination amount of sensors is reflected in positional deviation correction patterns, and for correcting formation positions of images of various colors, the positional deviation correction patterns are formed on a conveying belt. The positional deviation correction patterns are detected by the sensors. A control unit calculates positional deviation correction amounts based on detection results of the positional deviation correction patterns. Based on the calculated positional deviation correction amounts, the control unit performs calculation for correcting the positional deviation correction patterns, and cancels the inclination amount reflected in the calculation results to obtain final positional deviation correction amounts. Skew correction is performed based on the final positional deviation correction amounts, and thus, the positional deviations are corrected.
摘要翻译：在本发明中，传感器的倾斜量反映在位置偏差校正图案中，并且为了校正各种图像的形成位置，在输送带上形成位置偏差校正图案。位置偏差校正图案由传感器检测。控制单元基于位置偏差校正图案的检测结果来计算位置偏差校正量。基于所计算的位置偏差校正量，控制单元进行用于校正位置偏差校正图案的计算，并且取消反映在计算结果中的倾斜量，以获得最终位置偏差校正量。基于最终位置偏差校正量执行偏斜校正，因此校正位置偏差。

5. 发明申请

US20130207339A1 IMAGE FORMING DEVICE AND CONTROL METHOD FOR IMAGE FORMING DEVICE 有权
标题翻译：用于图像形成装置的图像形成装置和控制方法
公开(公告)号：US20130207339A1
公开(公告)日：2013-08-15
申请号：US13761747
申请日：2013-02-07
申请人： Takuhei YOKOYAMA , Yoshinori SHIRASAKI , Tatsuya MIYADERA , Masayuki HAYASHI , Kunihiro KOMAI , Motohiro KAWANABE , Hiroaki IKEDA , Takeshi SHIKAMA , Akinori YAMAGUCHI
发明人： Takuhei YOKOYAMA , Yoshinori SHIRASAKI , Tatsuya MIYADERA , Masayuki HAYASHI , Kunihiro KOMAI , Motohiro KAWANABE , Hiroaki IKEDA , Takeshi SHIKAMA , Akinori YAMAGUCHI
IPC分类号： G03G15/00
CPC分类号： G03G15/602 , G03G15/657 , G03G2215/00599 , G03G2215/00746 , G03G2215/00772
摘要： According to an embodiment, provided is an image forming device that includes: an image forming unit forming an image in a predetermined cycle in a direction orthogonal to a conveying direction of a printing medium; a velocity acquisition unit acquiring a conveying velocity of the printing medium at a position where the image is formed by the image forming unit; and a correcting unit correcting the cycle on which the image forming unit forms the image in accordance with the conveying velocity acquired by the velocity acquisition unit.
摘要翻译：根据实施例，提供了一种图像形成装置，其包括：图像形成单元，其在与打印介质的传送方向正交的方向上以预定周期形成图像; 速度获取单元，在由图像形成单元形成图像的位置处获取打印介质的传送速度; 以及校正单元，其根据由速度获取单元获取的传送速度校正图像形成单元形成图像的周期。

6. 发明申请

US20130084109A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130084109A1
公开(公告)日：2013-04-04
申请号：US13644172
申请日：2012-10-03
申请人： Takeshi SHIKAMA , Masayuki HAYASHI , Kunihiro KOMAI , Tatsuya MIYADERA , Motohiro KAWANABE , Yoshinori SHIRASAKI , Hiroaki IKEDA , Akinori YAMAGUCHI , Takuhei YOKOYAMA
发明人： Takeshi SHIKAMA , Masayuki HAYASHI , Kunihiro KOMAI , Tatsuya MIYADERA , Motohiro KAWANABE , Yoshinori SHIRASAKI , Hiroaki IKEDA , Akinori YAMAGUCHI , Takuhei YOKOYAMA
IPC分类号： G03G15/01
CPC分类号： G03G15/0194 , G03G15/5058 , G03G2215/0141 , G03G2215/0161
摘要： An image forming apparatus can transfer a plurality of color component images onto a surface of a recording medium to form an image on the recording medium. The image forming apparatus includes a pattern generation part to generate information about an alignment pattern to be used for a calibration of an image forming, a plurality of stations each including a photosensitive drum to form an alignment pattern corresponding to each of a plurality of color components onto a carry belt or the recording medium, and a read part to detect a plurality of alignment patterns formed by the plurality of stations.
摘要翻译：图像形成装置可以将多个颜色分量图像传送到记录介质的表面上，以在记录介质上形成图像。图像形成装置包括图形生成部，用于生成关于图像形成校准所使用的对准图案的信息，多个工位各自包括感光鼓，以形成对应于多个颜色成分中的每一个的对准图案携带或记录介质，以及读取部分，用于检测由多个台站形成的多个对准图案。

7. 发明申请

US20120229866A1 IMAGE FORMING APPARATUS AND IMAGE DENSITY DETECTING METHOD 有权
标题翻译：图像形成装置和图像密度检测方法
公开(公告)号：US20120229866A1
公开(公告)日：2012-09-13
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： H04N1/405
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。

8. 发明申请

US20120287479A1 OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND BUFFER CONTROL METHOD FOR OPTICAL SCANNER 失效
标题翻译：光学扫描仪，图像形成装置和光扫描器的缓冲器控制方法
公开(公告)号：US20120287479A1
公开(公告)日：2012-11-15
申请号：US13462029
申请日：2012-05-02
申请人： Motoyoshi TAKAHASHI , Masayuki HAYASHI , Hiroaki IKEDA , Kunihiro KOMAI , Yoshinori SHIRASAKI , Fuminori TSUCHIYA , Akinori YAMAGUCHI , Tatsuya MIYADERA
发明人： Motoyoshi TAKAHASHI , Masayuki HAYASHI , Hiroaki IKEDA , Kunihiro KOMAI , Yoshinori SHIRASAKI , Fuminori TSUCHIYA , Akinori YAMAGUCHI , Tatsuya MIYADERA
IPC分类号： H04N1/40
CPC分类号： H04N1/40 , H04N1/32363 , H04N1/32448 , H04N2201/0082 , H04N2201/04796 , H04N2201/3297 , H04N2201/3298
摘要： In an optical scanner, when an emission control unit varies a period at which image data is output from an output buffer of the emission control unit in order to correct a sub scan magnification of a LED array and a vacant region of an input buffer of the emission control unit ceases to exist, a buffer control unit temporarily stores the image data in a vacant region of a memory of an image correcting unit, and transfers the image data temporarily stored in the memory to the input buffer when the vacant region is generated in the input buffer.
摘要翻译：在光学扫描器中，当发光控制单元改变从发光控制单元的输出缓冲器输出图像数据的周期，以便校正LED阵列的副扫描放大率和输出缓冲器的空白区域时排放控制单元不再存在，则缓冲器控制单元将图像数据临时存储在图像校正单元的存储器的空白区域中，并且当空白区域被生成时将临时存储在存储器中的图像数据传送到输入缓冲器输入缓冲区。

9. 发明申请

US20130300815A1 LIGHT SOURCE CONTROL CIRCUIT, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING THE LIGHT SOURCE CONTROL CIRCUIT 有权
标题翻译：光源控制电路，图像形成装置以及控制光源控制电路的方法
公开(公告)号：US20130300815A1
公开(公告)日：2013-11-14
申请号：US13941655
申请日：2013-07-15
申请人： Izumi KINOSHITA , Kunihiro KOMAI , Tatsuya MIYADERA
发明人： Izumi KINOSHITA , Kunihiro KOMAI , Tatsuya MIYADERA
IPC分类号： B41J2/447
CPC分类号： B41J2/447 , B41J2/473 , G02B26/127 , G06K15/1219
摘要： An optical writing device forms an electrostatic latent image on a photosensitive element by a connected light source controlled by a light source control circuit that includes: a pixel data output unit; a pixel data correcting unit that corrects a skew between main scanning line of electrostatic latent image and photosensitive element and a local deviation of the electrostatic latent image on the main scanning line, and outputs pixel data; a pattern generating unit that outputs pixel data for forming a predetermined pattern in an electrostatic latent image; a first light source control unit for causing a first light source, that needs correction of the local deviation, to emit light; a second light source control unit for causing a second light source, that does not need correction of the local deviation, to emit light; and a switch that switches between a first transmission status and a second transmission status.
摘要翻译：光学写入装置通过由光源控制电路控制的连接的光源在感光元件上形成静电潜像，该光源控制电路包括：像素数据输出单元; 像素数据校正单元，其校正静电潜像的主扫描线与感光元件之间的偏斜和主扫描线上的静电潜像的局部偏差，并输出像素数据; 图案生成单元，其输出用于在静电潜像中形成预定图案的像素数据; 第一光源控制单元，用于使需要校正局部偏差的第一光源发光; 第二光源控制单元，用于使不需要校正局部偏差的第二光源发光; 以及在第一传输状态和第二传输状态之间切换的开关。

10. 发明申请

US20130343775A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130343775A1
公开(公告)日：2013-12-26
申请号：US13917874
申请日：2013-06-14
申请人： Akinori YAMAGUCHI , Hiroaki IKEDA , Tomohiro OHSHIMA , Masayuki HAYASHI , Tatsuya MIYADERA , Motohiro KAWANABE , Yoshinori SHIRASAKI
发明人： Akinori YAMAGUCHI , Hiroaki IKEDA , Tomohiro OHSHIMA , Masayuki HAYASHI , Tatsuya MIYADERA , Motohiro KAWANABE , Yoshinori SHIRASAKI
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/01 , G03G15/5008 , G03G15/505 , G03G15/5054 , G03G2215/00569 , G03G2215/00599 , G03G2215/00949
摘要： An image forming apparatus comprises: an image forming unit configured to form an image quality adjustment pattern image on an image carrier to be driven at a predetermined speed; a detector configured to detect the image quality adjustment pattern image; an image quality adjustment controller configured to control image quality adjustment processing in accordance with a detection result by the detector; a speed change unit configured to change an image formation speed indicating a speed at which an image is formed, and an interval change unit configured to change an interval at which the detector acquires a detection result in accordance with a change amount between the image formation speed before changed by the speed change unit and the image formation speed after changed.
摘要翻译：图像形成装置包括：图像形成单元，被配置为在要以预定速度驱动的图像载体上形成图像质量调整图案图像; 检测器，被配置为检测图像质量调整图案图像; 图像质量调整控制器，被配置为根据检测器的检测结果来控制图像质量调整处理; 速度改变单元，被配置为改变指示形成图像的速度的图像形成速度;以及间隔改变单元，被配置为根据图像形成速度之间的变化量来改变检测器获取检测结果的间隔之前由变速单元改变后的图像形成速度改变。

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