公开(公告)号：US20130016169A1

公开(公告)日：2013-01-17

申请号：US13540889

申请日：2012-07-03

申请人： Takenori OHTOSHI ,  Norio TOMITA ,  Kiyoshi SASOH ,  Yuji KUMAGAI

发明人： Takenori OHTOSHI ,  Norio TOMITA ,  Kiyoshi SASOH ,  Yuji KUMAGAI

IPC分类号： B41J2/385 ,  G03G15/01

CPC分类号： B41J2/525 ,  B41J2/473 ,  G03G15/04045 ,  G03G21/20 ,  G03G2215/0158 ,  H04N1/00015 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/00055 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00087 ,  H04N1/0009 ,  H04N1/1135 ,  H04N1/2346 ,  H04N1/506 ,  H04N2201/0094 ,  H04N2201/0471 ,  H04N2201/04722 ,  H04N2201/04729 ,  H04N2201/04732

摘要： In a registration step, the temperature near a polygon mirror (83) is detected by a first temperature sensor (85), and the internal ambient temperature of an image forming apparatus (1) is detected by a second temperature sensor (86). Also, a registration adjustment value of each color is determined and stored in a memory (75). In a printing step, the registration adjustment value (A) of each color determined in the registration step is corrected based on a change in the temperature near the polygon mirror (83) and a change in the internal ambient temperature of the image forming apparatus (1). Furthermore, the write timing of an electrostatic latent image onto each photosensitive drum (13) by an optical scanning device (11) is controlled. Then, the position of the electrostatic latent image on each photosensitive drum (13) is shifted by an amount corresponding to the corrected registration adjustment value.

摘要翻译： 在配准步骤中，通过第一温度传感器（85）检测多面镜（83）附近的温度，通过第二温度传感器（86）检测图像形成装置（1）的内部环境温度。 此外，确定每种颜色的配准调整值并将其存储在存储器（75）中。 在打印步骤中，基于多面镜（83）附近的温度变化和图像形成装置的内部环境温度的变化来校正在配准步骤中确定的每种颜色的配准调整值（A） 1）。 此外，控制通过光学扫描装置（11）将静电潜像写入每个感光鼓（13）的时序。 然后，将各感光鼓（13）上的静电潜像的位置移动与校正的对准调整值对应的量。

公开(公告)号：US20110170886A1

公开(公告)日：2011-07-14

申请号：US13005668

申请日：2011-01-13

申请人： Norio TOMITA ,  Yoshikazu Harada ,  Yoshiteru Kikuchi ,  Kohichi Yamauchi

发明人： Norio TOMITA ,  Yoshikazu Harada ,  Yoshiteru Kikuchi ,  Kohichi Yamauchi

IPC分类号： G03G15/00

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059 ,  G03G2215/00063 ,  G03G2215/0161

摘要： In an image forming apparatus, a computing unit computes phase shift amounts A(i) for every correction relative phase angle θ(j) based on an amplitude B of a reference compressional wave αa, an amplitude C(i) of a detection compressional wave α(i), and a relative phase angle φ(i). A setting unit specifies the phase shift amounts A(i), and sets a correction relative phase angle θ(j) corresponding to the specified phase shift amounts A(i). A correction unit corrects, based on the correction relative phase angle θ(j) set by the setting unit, a relative phase shift between a periodic variation in the circumferential speed of a first image bearing member and a periodic variation in the circumferential speed of a second group image bearing member by operationally controlling at least one of first and second drive units.

摘要翻译： 在图像形成装置中，计算单元根据参考压缩波αa的振幅B，对每个校正相对角度θ求出相位偏移量A（i）;（j）检测压缩的幅度C（i） 波α（i）和相对相位角（i）。 设定单元指定相移量A（i），并且设定与规定的相移量A（i）对应的校正相对相位角度（j）。 校正单元基于校正相对相位角度校正校正;（j）由设定单元设定的第一图像承载部件的圆周速度的周期性变化与圆周速度的周期性变化之间的相对相移 第二组图像承载部件，通过可操作地控制第一和第二驱动单元中的至少一个。

公开(公告)号：US20120008994A1

公开(公告)日：2012-01-12

申请号：US13176273

申请日：2011-07-05

申请人： Norio TOMITA

发明人： Norio TOMITA

IPC分类号： G03G15/01

CPC分类号： G03G15/0189 ,  G03G15/0131 ,  G03G15/5058 ,  G03G2215/0132 ,  G03G2215/0161

摘要： A color image forming apparatus including a test pattern formation portion that forms test patterns of a plurality of colors in an image formation area in which images of the plurality of colors are formed on an image carrier and in an image non-formation area outside the image formation area on the image carrier, a detection portion that detects a shift of each of the test patterns of the plurality of colors formed in the image formation area and a shift of each of the test patterns of the plurality of colors formed in the image non-formation area, a computing portion that obtains, for each color, an offset value indicating an offset between the shift of the test pattern in the image non-formation area and the shift of the test pattern in the image formation area, and a storage portion that stores the offset value for each color.

摘要翻译： 一种彩色图像形成装置，包括测试图形形成部分，其形成在图像载体上的图像形成区域中形成多种颜色的测试图案，并且在图像外部的图像非形成区域中形成多个颜色的图像 形成在图像载体上的形成区域，检测部分，其检测在图像形成区域中形成的多种颜色的每个测试图案的移位以及在图像非形成中的多种颜色的每个测试图案的移位， 为每个颜色获得指示图像非形成区域中的测试图案的偏移与图像形成区域中的测试图案的移动之间的偏移的偏移值的计算部分，以及存储器 存储每种颜色的偏移值的部分。

公开(公告)号：US20100316396A1

公开(公告)日：2010-12-16

申请号：US12813587

申请日：2010-06-11

申请人： Tetsushi ITO ,  Norio TOMITA

发明人： Tetsushi ITO ,  Norio TOMITA

IPC分类号： G03G15/00

CPC分类号： G03G15/5008 ,  G03G15/0194 ,  G03G15/50 ,  G03G2215/0132 ,  G03G2215/0158

摘要： In one embodiment, the present invention provides an image forming apparatus that forms a plurality of images using a plurality of image carriers respectively corresponding to the images and stacks those images, the apparatus having a first group to which at least one image carrier among the plurality of image carriers belongs, a second group to which at least one image carrier among the remaining image carriers belongs, and a single detection sensor that detects a first detection information for identifying a rotation timing of the first group image carrier and also detects a second detection information for identifying a rotation timing of the second group image carrier.

摘要翻译： 在一个实施例中，本发明提供一种图像形成装置，其使用分别对应于图像的多个图像载体来形成多个图像并且堆叠那些图像，该装置具有第一组，多个图像载体中的至少一个图像载体 的图像载体所属的第一组，第二组，剩余图像载体中至少一个图像载体所属的单个检测传感器，以及检测用于识别第一组图像载体的旋转定时的第一检测信息，并且还检测第二检测 用于识别第二组图像载体的旋转定时的信息。

公开(公告)号：US20090154945A1

公开(公告)日：2009-06-18

申请号：US12334626

申请日：2008-12-15

申请人： Norio TOMITA ,  Hiroshi TACHIKI ,  Takahiko YOSHIDA ,  Yoshikazu HARADA ,  Yoshiteru KIKUCHI ,  Kenichi ISOMI

发明人： Norio TOMITA ,  Hiroshi TACHIKI ,  Takahiko YOSHIDA ,  Yoshikazu HARADA ,  Yoshiteru KIKUCHI ,  Kenichi ISOMI

IPC分类号： G03G15/00

CPC分类号： G03G15/1605 ,  G03G21/1623 ,  G03G21/1647 ,  G03G21/168 ,  G03G2215/0158 ,  G03G2221/1648 ,  G03G2221/169

摘要： In an embodiment of the present invention, an image forming apparatus includes a transfer belt that primarily transfers a toner image formed on a photosensitive drum; a secondary transfer unit including a transfer mechanism portion that secondarily transfers the primarily transferred toner image to a paper; an optical sensor that detects a reference toner image on the transfer belt; and a shutter that protects a detection face of the optical sensor, wherein a separation/contact mechanism portion disposed so as to be brought into contact with both of the shutter and the secondary transfer unit is provided, and the separation/contact mechanism portion allows the shutter to move so as to open and allows the secondary transfer unit to move so as to separate from the transfer belt when the reference toner image is detected by the optical sensor, and allows the shutter to move so as to separate from the transfer belt when the secondary transfer unit is drawn out from an apparatus main body.

摘要翻译： 在本发明的一个实施例中，图像形成装置包括主要传送形成在感光鼓上的调色剂图像的转印带; 二次转印单元，其包括二次将主要转印的调色剂图像转印到纸张上的转印机构部分; 检测转印带上的基准调色剂图像的光学传感器; 以及保护所述光学传感器的检测面的快门，其中设置有与所述挡板和所述二次转印单元接触的分离/接触机构部分，并且所述分离/接触机构部分允许 快门移动以便打开并且允许二次转印单元移动以便当由光学传感器检测到参考调色剂图像时与转印带分离，并且允许快门移动以便与转印带分离，当 二次转印单元从装置主体中抽出。

公开(公告)号：US20080298841A1

公开(公告)日：2008-12-04

申请号：US12127090

申请日：2008-05-27

申请人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Tetsuya Yamaguchi ,  Yoshiteru Kikuchi ,  Kenichi Isomi ,  Showtaro Okamoto

发明人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Tetsuya Yamaguchi ,  Yoshiteru Kikuchi ,  Kenichi Isomi ,  Showtaro Okamoto

IPC分类号： G03G15/00

CPC分类号： G03G15/757

摘要： It is an object to prevent distortions and deviations of images caused by the eccentricity of a driven gear mounted to a rotational shaft of a photosensitive drum. There are provided a driving gear which is secured to a rotational shaft of a rotational driving power source and is rotated at a constant peripheral speed, a driven gear secured coaxially to a rotational shaft of a cylindrical-shaped photosensitive member, a phase control gear having the same diameter as that of the driven gear and having the same rotational speed variation characteristic as that of the driven gear, and a transmission gear, and a driving force from the driving gear is transmitted to the driven gear through the phase control gear and the transmission gear.

摘要翻译： 本发明的目的是防止由安装到感光鼓的旋转轴的从动齿轮的偏心引起的图像的变形和偏差。 提供了一种驱动齿轮，该驱动齿轮固定在旋转驱动动力源的旋转轴上并以恒定的圆周速度旋转，同轴地与圆柱形感光构件的旋转轴固定的从动齿轮，具有 与从动齿轮的直径相同，并且具有与从动齿轮相同的转速变化特性和传动齿轮，并且来自驱动齿轮的驱动力通过相位控制齿轮传递到从动齿轮，并且 传动齿轮

公开(公告)号：US20080220347A1

公开(公告)日：2008-09-11

申请号：US12029354

申请日：2008-02-11

申请人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Yoshiteru Kikuchi

发明人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Yoshiteru Kikuchi

IPC分类号： G03G13/14 ,  G03G15/01

CPC分类号： G03G15/011 ,  G03G15/041 ,  G03G15/326 ,  G03G2215/0132 ,  G03G2215/0141 ,  G03G2215/0465 ,  G03G2215/0482

摘要： An LD switch is turned ON to output image data outputted from an image processing section to a laser diode, and to irradiate a laser light to a photosensitive drum. The number of pixel dots included in the image data outputted from the image processing section is computed by line basis to detect an image density based on the total sum of the pixel dots of each color at a timing when the image data of Nth line is outputted from the image processing section. The detected image density is compared with a threshold value to turn OFF the LD switch at a timing when the image data of (N+α)th line is outputted when the image density is greater than the threshold value. This suppresses a variation in a rear-end-void length due to sheet slippage.

摘要翻译： LD开关导通，将从图像处理部输出的图像数据输出到激光二极管，并将激光照射到感光鼓。 通过线性计算包括在从图像处理部分输出的图像数据中的像素点的数量，以在第N行的图像数据被输出的定时基于每种颜色的像素点的总和来检测图像浓度 从图像处理部分。 将检测图像浓度与阈值进行比较，以在图像浓度大于阈值时输出（N +α）线的图像数据的定时关闭LD开关。 这抑制了由于片材滑动导致的后端空隙长度的变化。

公开(公告)号：US20080131150A1

公开(公告)日：2008-06-05

申请号：US11944896

申请日：2007-11-26

申请人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Showtaro Okamoto ,  Tetsuya Yamaguchi ,  Yoshiteru Kikuchi

发明人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Showtaro Okamoto ,  Tetsuya Yamaguchi ,  Yoshiteru Kikuchi

IPC分类号： G03G15/01

CPC分类号： G03G15/0131 ,  G03G15/5058 ,  G03G2215/00025 ,  G03G2215/00059 ,  G03G2215/0016 ,  G03G2215/0132 ,  G03G2215/0161

摘要： An image forming apparatus including: image forming sections, each image forming section forming an image of a color component among plural color components under a predetermined condition, and forming a pattern of each color component for adjusting the condition; a detecting section that reads the formed patterns so as to perform a temporary detection and a main detection of a deviation from a reference under the condition; and a correction control section that determines whether the deviation of the temporary detection exceeds a predetermined threshold value or not, and when the deviation exceeds the threshold value, executes the main detection to fully detect the deviation so as to correct the condition, wherein the correction control section controls to form the pattern for the temporary detection, the number of the color components for the temporary detection being fewer than those of the patterns to be used for the main detection.

摘要翻译： 一种图像形成设备，包括：图像形成部分，每个图像形成部分在预定条件下形成多个颜色分量中的颜色分量的图像，并且形成用于调节条件的每个颜色分量的图案; 检测部，其读取形成的图案，以便在该条件下执行临时检测和主要检测与参考的偏差; 以及校正控制部，其判断临时检测的偏差是否超过规定的阈值，并且当偏差超过阈值时，执行主检测以完全检测偏差，以便校正该条件，其中校正 控制部分控制以形成用于临时检测的图案，用于临时检测的颜色分量的数量少于用于主检测的图案的颜色分量的数量。

公开(公告)号：US20130051817A1

公开(公告)日：2013-02-28

申请号：US13546874

申请日：2012-07-11

申请人： Norio TOMITA ,  Hiroshi NAKATANI ,  Ryosuke SAKAI ,  Takumi MORI ,  Kyosuke TAKA ,  Kohichi YAMAUCHI

发明人： Norio TOMITA ,  Hiroshi NAKATANI ,  Ryosuke SAKAI ,  Takumi MORI ,  Kyosuke TAKA ,  Kohichi YAMAUCHI

IPC分类号： G03G15/00 ,  G03G15/20

CPC分类号： G03G15/6585 ,  G03G2215/00426

摘要： An image forming apparatus includes an image forming portion that forms an image on a recording sheet, a transport path that transports the recording sheet with the image formed thereon by the image forming portion, a coating portion that performs a coating process that forms a coating film on the recording sheet that is being transported on the transport path, and a reading portion that reads a calibration chart on the recording sheet that is being transported on the transport path. The coating portion is disposed on the upstream side in a recording sheet transport direction of the reading portion on the transport path, a calibration process is performed for an image formed by the image forming portion, and the calibration chart is formed on the recording sheet by the image forming portion in order to perform the calibration process.

摘要翻译： 图像形成装置包括在记录片材上形成图像的图像形成部分，由图像形成部分在其上形成的图像传送记录片材的传送路径，执行形成涂膜的涂布处理的涂布部分 在传送路径上被传送的记录纸上，以及读取部分，其读取在传送路径上被传送的记录纸上的校准图。 涂布部分设置在传送路径上的读取部分的记录纸张传送方向上的上游侧，对由图像形成部分形成的图像进行校准处理，并且校准图形由记录纸张形成在记录纸张上 图像形成部分，以便执行校准过程。

公开(公告)号：US20090180803A1

公开(公告)日：2009-07-16

申请号：US12335938

申请日：2008-12-16

申请人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Noriaki Taguchi ,  Yoshiteru Kikuchi ,  Kenichi Isomi

发明人： Norio TOMITA ,  Yoshikazu Harada ,  Tetsushi Ito ,  Noriaki Taguchi ,  Yoshiteru Kikuchi ,  Kenichi Isomi

IPC分类号： G03G15/16

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00042 ,  G03G2215/00059

摘要： An image forming apparatus includes a controller for detecting the opening and closing of a shutter from the output from an optical sensor and controlling the opening and closing operation of the shutter based on the detected result. The controller determines that if the optical sensor is turned “ON” within a predetermined period of time from when the shutter begins opening, the operation of the shutter from the closed state to the open state is correctly detected. When no reflected light is detected by the optical sensor even after a predetermined time has elapsed, the controller determines that an anomaly has occurred and closes the shutter and repeat another detecting process.

摘要翻译： 图像形成装置包括：控制器，用于根据光学传感器的输出检测快门的打开和关闭，并根据检测结果控制快门的打开和关闭操作。 控制器确定如果在从快门开始打开之后的预定时间段内光学传感器被“接通”，则正确地检测到快门从关闭状态到打开状态的操作。 即使经过了规定的时间后，即使光学传感器没有检测到反射光，控制器也判断出异常发生，关闭快门并重新进行另一检测处理。