公开(公告)号：US20050212901A1

公开(公告)日：2005-09-29

申请号：US11087653

申请日：2005-03-24

申请人： Fumitaka Sobue ,  Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Naohisa Nagata

发明人： Fumitaka Sobue ,  Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Naohisa Nagata

IPC分类号： B41J2/44 ,  G06K15/12 ,  H04N1/113 ,  H04N1/23 ,  B41J2/435 ,  B41J2/47

CPC分类号： G06K15/1219 ,  G02B26/127

摘要： An image forming apparatus in which the intensity of a light beam used to form a latent image is switched in response to a change in resolution. A laser emits a light beam for forming a latent image on a photosensitive drum. A polygon mirror scans the emitted light beam. BD sensors detect the scanned beam. A timing controller selects the preferable timing from a storage device table according to the intensity of the light beam or the resolution when controlling the light emission timing of the lasers in response to a detection of timing of the detected light beam.

摘要翻译： 响应于分辨率的变化而切换用于形成潜像的光束的强度的图像形成装置。 激光器发射用于在感光鼓上形成潜像的光束。 多面镜扫描发射的光束。 BD传感器检测扫描光束。 定时控制器响应于检测到的光束的定时来控制激光器的发光定时，根据光束的强度或分辨率从存储装置表中选择优选的定时。

公开(公告)号：US07376368B2

公开(公告)日：2008-05-20

申请号：US11364854

申请日：2006-02-28

申请人： Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Fumitaka Sobue ,  Naohisa Nagata

发明人： Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Fumitaka Sobue ,  Naohisa Nagata

IPC分类号： G03G21/20

CPC分类号： G01N33/346 ,  G01N27/223 ,  G03G15/6561 ,  G03G2215/00721 ,  G03G2215/00772 ,  G03G2215/00776

摘要： An image forming apparatus has a water content determination apparatus that can precisely determining a water content in a medium regardless of an environment where the image forming apparatus is installed. The water content determination apparatus has a detection device that outputs a first signal while the medium is absent in an electrostatic capacitance region formed in a path where the medium is conveyed and outputs a second signal while the medium is present in the electrostatic capacitance region. The temperature in the image forming apparatus is determined based on the first signal. The water content in the medium is determined based on the second signal and the temperature determined by the temperature determination device.

摘要翻译： 图像形成装置具有能够精确地确定介质中的含水量而不管安装图像形成装置的环境的含水量确定装置。 所述含水量判定装置具有检测装置，在所述介质被输送的路径中形成的静电电容区域中不存在所述介质的同时输出第一信号，并且在所述介质存在于所述静电电容区域的同时输出第二信号。 基于第一信号确定图像形成装置中的温度。 基于第二信号和由温度确定装置确定的温度确定介质中的含水量。

公开(公告)号：US07277113B2

公开(公告)日：2007-10-02

申请号：US11087653

申请日：2005-03-24

申请人： Fumitaka Sobue ,  Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Naohisa Nagata

发明人： Fumitaka Sobue ,  Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Naohisa Nagata

IPC分类号： B41J2/435 ,  B41J2/47

CPC分类号： G06K15/1219 ,  G02B26/127

摘要： An image forming apparatus in which the intensity of a light beam used to form a latent image is switched in response to a change in resolution. A laser emits a light beam for forming a latent image on a photosensitive drum. A polygon mirror scans the emitted light beam. BD sensors detect the scanned beam. A timing controller selects the preferable timing from a storage device table according to the intensity of the light beam or the resolution when controlling the light emission timing of the lasers in response to a detection of timing of the detected light beam.

摘要翻译： 响应于分辨率的变化而切换用于形成潜像的光束的强度的图像形成装置。 激光器发射用于在感光鼓上形成潜像的光束。 多面镜扫描发射的光束。 BD传感器检测扫描光束。 定时控制器响应于检测到的光束的定时来控制激光器的发光定时，根据光束的强度或分辨率从存储装置表中选择优选的定时。

公开(公告)号：US20060201236A1

公开(公告)日：2006-09-14

申请号：US11364854

申请日：2006-02-28

申请人： Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Fumitaka Sobue ,  Naohisa Nagata

发明人： Masayoshi Taira ,  Toshifumi Kakutani ,  Takashi Sugiura ,  Shinichi Takata ,  Yushi Oka ,  Fumitaka Sobue ,  Naohisa Nagata

IPC分类号： G01N5/02 ,  G03B27/52 ,  G01N25/56

CPC分类号： G01N33/346 ,  G01N27/223 ,  G03G15/6561 ,  G03G2215/00721 ,  G03G2215/00772 ,  G03G2215/00776

摘要： A water content determination apparatus which are capable of precisely determining water content contained in a medium regardless of an environment where an image forming apparatus is installed. The water content determination apparatus. A signal in accordance with presence or absence of a medium in an electrostatic capacitance region formed on a paper path is outputted where the medium for image forming is conveyed. Temperature in the water content determination apparatus is determined based on an output signal of the detection device in absence of the medium passing in the electrostatic capacitance region. Water content contained in the medium is determined based on the output signal of the detection device in absence of the medium passing in the electrostatic capacitance region, the output signal of the detection device in presence of the medium passing in the electrostatic capacitance region, and the temperature determined by the temperature determination device.

摘要翻译： 一种含水量确定装置，其能够精确地确定包含在介质中的含水量，而不管安装图像形成装置的环境。 含水量判定装置。 输出形成在纸路径上的静电电容区域中存在或不存在介质的信号，其中传送图像形成介质。 水分含量测定装置中的温度是在没有介质通过静电电容区域的情况下，基于检测装置的输出信号来确定的。 介质中含有的含水量是在没有介质通过静电电容区域的情况下，检测装置的输出信号，在存在介质通过静电电容区域的情况下，检测装置的输出信号，以及 温度由温度测定装置决定。

公开(公告)号：US06795099B2

公开(公告)日：2004-09-21

申请号：US10360612

申请日：2003-02-10

申请人： Katsuhide Koga ,  Fumitaka Sobue

发明人： Katsuhide Koga ,  Fumitaka Sobue

IPC分类号： B41J2435

CPC分类号： G03G15/04 ,  G03G15/0435 ,  G03G2215/0404

摘要： An image forming apparatus for forming an image by irradiating a charged surface of a photosensitive member with a laser beam depending on a picture signal to form an electrostatic latent image, visualizing the latent image with a recording agent, and transferring the visualized image onto a recording medium; includes a circumferential position detection unit for detecting a circumferential position of the photosensitive member irradiated with the laser beam and an APC circuit for controlling a light quantity of the laser beam so as to provide a target light quantity varying depending on the detected circumferential position.

摘要翻译： 一种图像形成装置，用于根据图像信号用激光束照射感光构件的带电面以形成静电潜像，用记录剂对潜像进行可视化，并将可视化图像转印到记录 中; 包括用于检测照射激光束的感光构件的周向位置的周向位置检测单元和用于控制激光束的光量的APC电路，以便提供根据检测到的周向位置而变化的目标光量。

公开(公告)号：US07719559B2

公开(公告)日：2010-05-18

申请号：US11696175

申请日：2007-04-03

申请人： Fumitaka Sobue

发明人： Fumitaka Sobue

IPC分类号： B41J2/385 ,  B41J2/435 ,  B41J2/45 ,  G02B26/08

CPC分类号： H04N1/1135 ,  H04N1/053 ,  H04N2201/04762 ,  H04N2201/04791

摘要： An image forming apparatus includes light source having multiple light-emitting portions, rotating polygonal mirror which deflects a beam that is emitted from light source, and photosensitive member which is exposed by beams in an image period that is included in one scanning cycle of the beam. One scanning cycle of the beam includes an image period and a non-image period. This apparatus includes selection unit which selects one or more light-emitting portions to be used in image period from among multiple light-emitting portions, and driving unit which drives selected light-emitting portions to emit a beam in a non-image period that is immediately before image period. This apparatus further includes control unit which executes auto light power control for one or more light-emitting portions to be used in image period according to light power of beams detected by beam detection unit.

摘要翻译： 图像形成装置包括具有多个发光部分的光源，使从光源发射的光束偏转的旋转多面镜，以及在光束的一个扫描周期中包括的图像周期中由光束曝光的感光部件 。 光束的一个扫描周期包括图像周期和非图像周期。 该装置包括从多个发光部分中选择在图像周期中使用的一个或多个发光部分的选择单元，以及驱动所选择的发光部分以在非图像周期内发射光束的驱动单元， 在图像周期之前。 该装置还包括控制单元，该控制单元根据由光束检测单元检测到的光束的光功率，对图像周期中所使用的一个或多个发光部分执行自动光功率控制。

公开(公告)号：US07209273B2

公开(公告)日：2007-04-24

申请号：US11279770

申请日：2006-04-14

申请人： Fumitaka Sobue

发明人： Fumitaka Sobue

IPC分类号： G02B26/08

CPC分类号： H04N1/1135 ,  H04N1/00931 ,  H04N1/047 ,  H04N1/506 ,  H04N2201/04755

摘要： An image forming apparatus which includes image forming units of a plurality of colors, each having an image carrier and a light beam scanning portion for polarizing irradiated laser beam by a polygon mirror and forming an electrostatic latent image on the image carrier, and forms a color image by superposing images formed by the image forming unit, includes a first control portion which controls the velocity of rotation of one polygon mirror in one image forming unit, a second control portion which controls rotation of another polygon mirror by velocity control or phase control in another image forming unit, and a control signal generation portion which, when the rotation velocity of another polygon mirror reaches a target velocity by velocity control of the second control portion, generates a rotation reference signal based on the driving information of one polygon mirror driven by velocity control of the first control portion, or detection information of the laser beam polarized by one polygon mirror, wherein the second control portion controls, when the control signal generation portion outputs the rotation reference signal, the rotational phase of another polygon mirror in order to achieve phase locking with the rotation reference signal.

摘要翻译： 一种图像形成装置，包括多个颜色的图像形成单元，每个具有图像载体和用于通过多面镜偏振照射的激光束的光束扫描部分，并且在图像载体上形成静电潜像，并形成颜色 通过叠加由图像形成单元形成的图像的图像包括控制一个图像形成单元中的一个多面镜的旋转速度的第一控制部，通过速度控制或相位控制来控制另一多面镜的旋转的第二控制部 另一个图像形成单元，以及控制信号生成部，当通过第二控制部的速度控制使另一多面镜的旋转速度达到目标速度时，基于由多个反射镜驱动的一个多面镜的驱动信息生成旋转基准信号 第一控制部的速度控制或者被偏振的激光的检测信息 一个多面镜，其中当控制信号产生部分输出旋转参考信号时，第二控制部分控制另一个多面镜的转动相位，以便通过旋转参考信号实现相位锁定。

公开(公告)号：US08867946B2

公开(公告)日：2014-10-21

申请号：US12873798

申请日：2010-09-01

申请人： Fumitaka Sobue

发明人： Fumitaka Sobue

IPC分类号： G03G15/00

CPC分类号： G03G15/5062 ,  G03G2215/00021 ,  G03G2215/00556 ,  G03G2215/00578 ,  G03G2215/00599

摘要： Provided is an image forming system having a first image forming apparatus and a second image forming apparatus, the image forming system including: a first image forming unit provided to the first image forming apparatus and forming an image on a first surface of a recording sheet; and a second image forming unit provided to the second image forming apparatus and forming an image on a second surface of the recording sheet on the first surface of which the image has been formed by the first image forming unit, in which, when the first image forming unit and the second image forming unit form pattern images for image position adjustment on the recording sheet, the first image forming unit and the second image forming unit form a first pattern image and a second pattern image on the same surface of the recording sheet.

摘要翻译： 提供一种具有第一图像形成装置和第二图像形成装置的图像形成系统，所述图像形成系统包括：第一图像形成单元，设置在所述第一图像形成装置中，并在记录纸张的第一表面上形成图像; 以及第二图像形成单元，其被提供到第二图像形成装置，并且在由第一图像形成单元形成图像的第一表面上在记录纸的第二表面上形成图像，其中当第一图像 所述第二图像形成单元形成用于图像位置调整的图案图像，所述第一图像形成单元和所述第二图像形成单元在所述记录片材的相同表面上形成第一图案图像和第二图案图像。

公开(公告)号：US07688342B2

公开(公告)日：2010-03-30

申请号：US11696173

申请日：2007-04-03

申请人： Fumitaka Sobue

发明人： Fumitaka Sobue

IPC分类号： B41J27/00 ,  G02B26/08

CPC分类号： H04N1/0473 ,  H04N1/1135 ,  H04N1/12 ,  H04N2201/0082 ,  H04N2201/04713 ,  H04N2201/04744 ,  H04N2201/04787 ,  H04N2201/04793

摘要： An image forming apparatus includes a photosensitive member, a light source for which intervals between spots formed on the photosensitive member by respective beams emitted from a plurality of light-emitting portions are narrower than a predetermined resolution, and a rotating polygonal mirror having a plurality of mirror plane each of which deflects beams emitted from the light source while rotating. In particular, the image forming apparatus includes a selection unit which selects a light-emitting portion corresponding to a mirror plane used to deflect a beam from the light source, and a driving unit which drives the light source to emit a beam from the selected light-emitting portion.

摘要翻译： 一种图像形成装置，包括感光部件，光源，通过从多个发光部分发射的各个光束在感光部件上形成的光斑之间的间隔比预定分辨率窄;以及旋转多面镜，其具有多个 每个镜面在旋转时偏转从光源发射的光束。 特别地，图像形成装置包括：选择单元，其选择与用于偏转来自光源的光束的镜面相对应的发光部;以及驱动单元，其驱动光源以从所选择的光发射光束 - 发行部分。

公开(公告)号：US20080100691A1

公开(公告)日：2008-05-01

申请号：US11870323

申请日：2007-10-10

申请人： Fumitaka Sobue

发明人： Fumitaka Sobue

IPC分类号： B41J2/435

CPC分类号： B41J2/471 ,  G03G15/011 ,  G03G15/043 ,  G03G15/0435 ,  G03G2215/0158 ,  G03G2215/0404

摘要： A frequency modulator which employs a method in which the frequency of an image clock is modulated by a predetermined amount of fluctuation to thereby reduce noise, and is capable of providing images free from color shift caused by frequency modulation. A frequency controller of the frequency modulator generates frequency-modulated image clocks associated with images formed by respective lasers, and the frequency change profiles of the respective frequency-modulated image clocks are controlled such that they are identical with respect to the positions of the images formed by the respective lasers.

摘要翻译： 一种频率调制器，其采用将图像时钟的频率调制预定量的波动从而降低噪声的方法，并且能够提供由频率调制引起的色偏移。 频率调制器的频率控制器产生与由各个激光器形成的图像相关联的调频图像时钟，并且控制各个频率调制图像时钟的频率变化曲线，使得它们相对于形成的图像的位置相同 由各自的激光器。