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1. 发明授权

US09019551B2 Image forming apparatus and image correction method that calculate correction amounts associated with a main scanning direction 有权
标题翻译：计算与主扫描方向相关联的校正量的图像形成装置和图像校正方法
公开(公告)号：US09019551B2
公开(公告)日：2015-04-28
申请号：US14043258
申请日：2013-10-01
申请人： Masayuki Hayashi , Tatsuya Miyadera , Motohiro Kawanabe , Yoshinori Shirasaki , Masatoshi Murakami
发明人： Masayuki Hayashi , Tatsuya Miyadera , Motohiro Kawanabe , Yoshinori Shirasaki , Masatoshi Murakami
IPC分类号： H04N1/40 , H04N1/50
CPC分类号： H04N1/506
摘要： Disclosed is an image forming apparatus including, at least, an image data storage unit that stores image data; an inclination amount detection unit that detects a first inclination amount of a portion of the image data spanning from one end to the other end relative to a main scanning direction; an inclination amount storage unit that stores, when a gradient of the image data changes at a point in the main scanning direction, a second inclination amount of a portion of the image data spanning from the one end to the point or from the other end to the point; a correction amount calculation unit that calculates correction amounts associated with the main scanning direction by switching, at the point, whether the first inclination amount is increased or decreased by the second inclination amount; and an image correction unit that corrects an image based on the correction amounts.
摘要翻译：公开了一种图像形成装置，至少包括存储图像数据的图像数据存储单元; 倾斜量检测单元，其相对于主扫描方向检测从一端到另一端跨越的图像数据的一部分的第一倾斜量; 倾斜量存储单元，当图像数据的梯度在主扫描方向上的点变化时，存储从一端到点或从另一端到另一端的图像数据的一部分的第二倾斜量，点; 校正量计算单元，通过在第一倾斜量是否将第一倾斜量增加或减少第二倾斜量的情况下，来计算与主扫描方向相关联的校正量; 以及图像校正单元，其基于校正量来校正图像。

2. 发明授权

US08957933B2 Optical writing device, image forming apparatus, and control method of optical writing device 有权
标题翻译：光写入装置，图像形成装置以及光写入装置的控制方法
公开(公告)号：US08957933B2
公开(公告)日：2015-02-17
申请号：US13960165
申请日：2013-08-06
申请人： Yoshinori Shirasaki , Tatsuya Miyadera , Masayuki Hayashi , Motohiro Kawanabe , Hiroaki Ikeda , Tomohiro Ohshima , Akinori Yamaguchi
发明人： Yoshinori Shirasaki , Tatsuya Miyadera , Masayuki Hayashi , Motohiro Kawanabe , Hiroaki Ikeda , Tomohiro Ohshima , Akinori Yamaguchi
IPC分类号： B41J2/435 , B41J2/47 , B41J2/385 , G03G15/00
CPC分类号： G03G15/80 , G03G15/5004
摘要： An optical writing device forming an electrical latent image on a photoreceptor includes an optical writing unit configured to apply light to the photoreceptor, a power supply unit configured to supply power to the optical writing unit, a power supply status detector configured to detect a power supply status of the power supplied from the power supply unit to the optical writing unit, and output power supply information or power cutoff information, a power cutoff information retaining unit configured to retain the power cutoff information when the power cutoff information is output from the power supply status detector, and a power sensor configured to sense a power supply status of the power supplied by the power supply unit based on the power cutoff information retained by the power cutoff information retaining unit.
摘要翻译：在感光体上形成电潜象的光写入装置包括配置成向感光体施加光的光写入单元，配置为向光写入单元供电的电源单元，电源状态检测器，被配置为检测电源从电源单元向光学写入单元提供的电力的状态以及输出电源信息或电力切断信息;电力切断信息保持单元，被配置为当从电源输出电力切断信息时保持电力切断信息状态检测器和被配置为基于由电力切断信息保持单元保持的电力切断信息来感测由电源单元提供的电力的电源状态的功率传感器。

3. 发明授权

US08879969B2 Image forming apparatus including image forming calibration 有权
标题翻译：图像形成装置，包括图像形成校准
公开(公告)号：US08879969B2
公开(公告)日：2014-11-04
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 , G03G15/00
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。

4. 发明授权

US08395648B2 Optical writer, image forming apparatus, and method of controlling optical writer 有权
标题翻译：光学写入器，图像形成装置和控制光学写入器的方法
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。

5. 发明授权

US09104127B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09104127B2
公开(公告)日：2015-08-11
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。

6. 发明申请

US20140002564A1 OPTICAL WRITING CONTROL DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL WRITING CONTROL METHOD 有权
标题翻译：光学写字控制装置，图像形成装置和光写字控制方法
公开(公告)号：US20140002564A1
公开(公告)日：2014-01-02
申请号：US13919261
申请日：2013-06-17
申请人： Tatsuya MIYADERA , Motohiro Kawanabe , Masayuki Hayashi , Yoshinori Shirasaki , Hiroaki Ikeda , Akinori Yamaguchi , Tomohiro Ohshima
发明人： Tatsuya MIYADERA , Motohiro Kawanabe , Masayuki Hayashi , Yoshinori Shirasaki , Hiroaki Ikeda , Akinori Yamaguchi , Tomohiro Ohshima
IPC分类号： B41J2/385
CPC分类号： G03G13/04 , G03G13/01 , G03G15/011 , G03G15/5058 , G03G2215/0161
摘要： An optical writing control device includes: a light emission control unit which controls light emission of multiple light sources for respective different colors and exposes multiple image carriers; and a correction amount calculating unit which calculates a correction amount for each of the different colors on the basis of a difference between a central value of a distribution range of positional deviation amounts in a sub-scanning direction for the respective different colors and the positional deviation amount for a corresponding color. The light emission control unit delays light emitting timing of a light source, which is to be delayed, by delaying reading timing of pixel information stored in a storage medium, and delays timing at which the pixel information about colors other than a color, light emitting timing of a light source for which is to be advanced, starts to be obtained from an image forming apparatus main body.
摘要翻译：光学写入控制装置包括：发光控制单元，其控制用于各种不同颜色的多个光源的发光并且暴露多个图像载体; 以及校正量计算单元，其基于各个不同颜色的副扫描方向上的位置偏差量的分布范围的中心值和位置偏差之间的差异来计算每种不同颜色的校正量相应颜色的数量。发光控制单元通过延迟存储在存储介质中的像素信息的读取定时来延迟待延迟的光源的发光定时，并延迟关于颜色以外的像素信息的定时，发光开始从图像形成装置主体获得要提前的光源的定时。

7. 发明申请

US20130070040A1 EXPOSURE CONTROL APPARATUS, IMAGE FORMING APPARATUS, AND EXPOSURE CONTROL METHOD 有权
标题翻译：曝光控制装置，图像形成装置和曝光控制方法
公开(公告)号：US20130070040A1
公开(公告)日：2013-03-21
申请号：US13617458
申请日：2012-09-14
申请人： Tatsuya Miyadera , Yoshinori Shirasaki , Motoyoshi Takahashi , Masayuki Hayashi , Kunihiro Komai , Fuminori Tsuchiya , Akinori Yamaguchi , Hiroaki Ikeda
发明人： Tatsuya Miyadera , Yoshinori Shirasaki , Motoyoshi Takahashi , Masayuki Hayashi , Kunihiro Komai , Fuminori Tsuchiya , Akinori Yamaguchi , Hiroaki Ikeda
IPC分类号： B41J2/435
CPC分类号： H04N1/506 , G03G15/043 , G06K15/1247 , G06K15/1894
摘要： An exposure control apparatus includes: a plurality of line memories; a processing unit that processes image data by successively recording the image data to the plurality of line memories, and successively reading the image data from the plurality of line memories; and an exposing unit that performs, with an exposure cycle, an exposure process according to the processed image data, and that forms a latent image based on the image data onto an image carrier, wherein the image data is transferred with a cycle which is N times as high as the exposure cycle (N is a natural number), and the processing unit reads the image data N times with the exposure cycle.
摘要翻译：曝光控制装置包括：多个行存储器; 处理单元，通过将图像数据连续地记录到多个行存储器中，并且从多个行存储器连续地读取图像数据来处理图像数据; 以及曝光单元，其以曝光周期执行根据所处理的图像数据的曝光处理，并且基于图像数据形成潜像到图像载体上，其中以N为单位的周期传送图像数据次数（N为自然数），处理单元以曝光周期读取N次图像数据。

8. 发明授权

US09516192B2 Image forming method for increasing resolution in reverse mode 有权
标题翻译：用于在反向模式下增加分辨率的成像方法
公开(公告)号：US09516192B2
公开(公告)日：2016-12-06
申请号：US14024003
申请日：2013-09-11
申请人： Masayuki Hayashi , Yoshinori Shirasaki , Tatsuya Miyadera , Motohiro Kawanabe , Hiroaki Ikeda , Akinori Yamaguchi , Tomohiro Ohshima
发明人： Masayuki Hayashi , Yoshinori Shirasaki , Tatsuya Miyadera , Motohiro Kawanabe , Hiroaki Ikeda , Akinori Yamaguchi , Tomohiro Ohshima
IPC分类号： H04N1/40
CPC分类号： H04N1/40068
摘要： An image forming apparatus comprising: a resolution conversion unit configured to convert the resolution of a pixel provided by input image data; a gradation conversion unit configured to perform matrix conversion onto the pixel; and a writing unit configured to perform a write operation, wherein, in the normal mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the normal mode, and the writing unit performs the write operation of the pixel in a normal order that is the order image data being input into the image forming apparatus, and in the reverse mode, the gradation conversion unit performs matrix conversion onto the pixel with reference to the gradation conversion table for the reverse mode, and the writing unit performs the write operation of the pixel in a reverse order opposite to the normal order.
摘要翻译：一种图像形成装置，包括：分辨率转换单元，被配置为转换由输入图像数据提供的像素的分辨率; 灰度转换单元，被配置为对所述像素执行矩阵转换; 以及写入单元，被配置为执行写入操作，其中在所述正常模式中，所述灰度转换单元参照用于所述正常模式的灰度转换表，对所述像素执行矩阵转换，并且所述写入单元执行所述写入操作以顺序图像数据输入到图像形成装置中的正常顺序的像素，并且在反向模式中，灰度转换单元参照用于反向模式的灰度转换表，对像素执行矩阵转换，并且写入单元以与正常顺序相反的相反顺序执行像素的写入操作。

9. 发明授权

US09036198B2 Optical-writing control device, image forming apparatus, and method of controlling optical writing device 有权
标题翻译：光写控制装置，图像形成装置以及光写入装置的控制方法
公开(公告)号：US09036198B2
公开(公告)日：2015-05-19
申请号：US14086266
申请日：2013-11-21
申请人： Tatsuya Miyadera , Masayuki Hayashi , Motohiro Kawanabe , Yoshinori Shirasaki , Masatoshi Murakami
发明人： Tatsuya Miyadera , Masayuki Hayashi , Motohiro Kawanabe , Yoshinori Shirasaki , Masatoshi Murakami
IPC分类号： G06K15/00 , H04N1/00 , H04N1/028 , G03G15/01 , G03G15/00
CPC分类号： H04N1/00246 , G03G15/0189 , G03G15/5058 , G03G2215/0161 , H04N1/02815
摘要： An optical-writing control device calculates correction values for use in correcting a transfer position at which developing-agent images are to be transferred onto a sheet, and overlaying positions at which the developing-agent images are to be overlaid, based on a detection signal output from a sensor upon detection of a correction pattern for use in correcting the transfer position and a correction pattern for use in correcting the overlaying positions. A timing of detecting the pattern for use in correcting the overlaying positions is determined based on a correction value calculated based on the detection signal output upon detection of the pattern for use in correcting the transfer position. The pattern for use in correcting the transfer position is caused to have a width, in the main-scanning direction, that is wider than the width in the main-scanning direction of the pattern for use in correcting the overlaying positions.
摘要翻译：光写入控制装置基于检测信号计算用于校正显影剂图像要转印到片材上的转印位置和重叠显影剂图像的重叠位置的校正值在检测到用于校正转印位置的校正图案时从传感器输出的校正图案和用于校正重叠位置的校正图案。基于在检测用于校正转印位置的图案时基于输出的检测信号计算的校正值来确定检测用于校正重叠位置的图案的定时。使得用于校正转印位置的图案在主扫描方向上具有比用于校正重叠位置的图案的主扫描方向上的宽度宽的宽度。

10. 发明授权

US09013532B2 Light source control apparatus and image forming apparatus 有权
标题翻译：光源控制装置和图像形成装置
公开(公告)号：US09013532B2
公开(公告)日：2015-04-21
申请号：US13593705
申请日：2012-08-24
申请人： Kunihiro Komai , Masayuki Hayashi , Hiroaki Ikeda , Takeshi Shikama , Akinori Yamaguchi , Tatsuya Miyadera , Motohiro Kawanabe , Yoshinori Shirasaki , Takuhei Yokoyama
发明人： Kunihiro Komai , Masayuki Hayashi , Hiroaki Ikeda , Takeshi Shikama , Akinori Yamaguchi , Tatsuya Miyadera , Motohiro Kawanabe , Yoshinori Shirasaki , Takuhei Yokoyama
IPC分类号： G03G15/043 , B41J2/45 , B41J2/47 , G03G15/00
CPC分类号： G03G15/043 , B41J2/45 , B41J2/47 , G03G15/5033
摘要： A light source control apparatus which controls, based on image data input, light emission of a light source which forms an electrostatic latent image on an image bearing body in an electrophotographic image forming apparatus is disclosed, including a pattern generating unit which generates an internal pattern for position aligning and concentration correcting according to the image data; and a mirroring processing unit which performs a process of mirroring the image data and the internal pattern at a later stage of the pattern generating unit.
摘要翻译：公开了一种基于图像数据输入控制在电子照相图像形成装置中的图像承载体上形成静电潜像的光源的发光的光源控制装置，其包括产生内部图案的图案生成单元用于根据图像数据进行位置对准和浓度校正; 以及镜像处理单元，其在图案生成单元的稍后阶段执行镜像图像数据和内部图案的处理。

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