公开(公告)号：US08238794B2

公开(公告)日：2012-08-07

申请号：US12487141

申请日：2009-06-18

申请人： Satoshi Ogata ,  Jun Onishi ,  Shinpei Kawasaki

发明人： Satoshi Ogata ,  Jun Onishi ,  Shinpei Kawasaki

IPC分类号： G03G15/00 ,  G03G15/14 ,  G03G21/00

CPC分类号： G03G15/1605 ,  G03G2215/00599 ,  G03G2215/0154

摘要： An image forming apparatus includes an image carrier for carrying a toner image, a drive device for driving the image carrier at a predetermined speed, a control device for giving instruction to the drive device to perform predetermined operation, and a transfer device for nipping a recording sheet with a rotary member at the position opposed to the image carrier and for transferring the toner image on the image carrier onto the recording sheet, wherein the control device gives instruction to the drive device to generate a variation having a phase which is reverse to a phase of a variation given to the predetermined speed of the image carrier by a vibration produced at the time of passage of the recording sheet between the image carrier and the transfer device.

摘要翻译： 图像形成装置包括用于承载调色剂图像的图像载体，用于以预定速度驱动图像载体的驱动装置，用于向驱动装置执行预定操作的控制装置，以及用于夹持记录的传送装置 在与图像载体相对的位置处具有旋转构件的片材，并且用于将图像载体上的调色剂图像转印到记录片材上，其中控制装置给予驱动装置指令以产生具有与图像载体相反的相位的变化 通过在记录纸在图像载体和转印装置之间通过时产生的振动，给予图像载体的预定速度的变化的相位。

公开(公告)号：US20080170266A1

公开(公告)日：2008-07-17

申请号：US11948468

申请日：2007-11-30

申请人： Atsushi Takahashi ,  Utami Soma ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

发明人： Atsushi Takahashi ,  Utami Soma ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

IPC分类号： H04N1/40

CPC分类号： H04N1/40087

摘要： An image forming apparatus for forming an image on a transfer sheet based on image data, comprises an operating section to determine a setup about a margin region on which an image is not formed at an edge portion of the transfer sheet, a control section to determine an inner region having a specified width and being adjacent to the determined margin region as a density change region in which an image density is changed, and determines a more inner region located inward more from the density change region as a regular density region in which an image is formed with a regular image density, and an image forming section to form an image in the density change region based on image data on the condition where the image density is reduced and to form an image in the regular density region based on image data without changing the image density.

摘要翻译： 一种用于基于图像数据在转印纸上形成图像的图像形成装置包括操作部分，用于确定在转印纸的边缘部分处未形成图像的边缘区域的设置;控制部分，用于确定 具有指定宽度并且与所确定的边界区域相邻的内部区域作为其中图像浓度改变的浓度变化区域，并且确定从密度变化区域向内更向内的更多的内部区域作为规定的密度区域，其中 图像形成有规则的图像浓度，以及图像形成部分，用于在图像浓度降低的条件下基于图像数据在密度变化区域中形成图像，并且基于图像数据形成正常密度区域中的图像 而不改变图像密度。

公开(公告)号：US07154517B2

公开(公告)日：2006-12-26

申请号：US10891555

申请日：2004-07-15

申请人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

发明人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe

IPC分类号： B41J2/45

CPC分类号： G03G15/5041 ,  G03G15/04054 ,  G03G2215/00042 ,  G03G2215/0409

摘要： This invention provides an image forming apparatus that can suppress variations in writing densities of LED heads and form stable images.An image forming apparatus has an image retainer 1 for retaining a toner image, an image writing unit 3 equipped with a plurality of LED heads 31 to form a static latent image the image retainer 1, a developing unit 4 for developing the static latent image formed by the image writing unit 3 with a developing agent, a patch formation controller 23 for forming patches for each LED head on the image retainer 1, a density detector 25 for detecting the density of each patch formed by the patch formation controller 23, and a correction controller 26 for correcting the light amount of each LED head by the density detected by the density detector 25.

摘要翻译： 本发明提供一种能够抑制LED头的写入密度变化并形成稳定图像的图像形成装置。 图像形成装置具有用于保持调色剂图像的图像保持器1，配备有多个LED头31以形成图像保持器1的静电潜像的图像写入单元3，用于显影形成的静电潜像的显影单元4 通过具有显影剂的图像写入单元3，用于在图像保持器1上形成每个LED头的贴片的贴片形成控制器23，用于检测由贴片形成控制器23形成的每个贴片的密度的浓度检​​测器25，以及 校正控制器26，用于通过由密度检测器25检测的密度校正每个LED头的光量。

公开(公告)号：US08223386B2

公开(公告)日：2012-07-17

申请号：US11868301

申请日：2007-10-05

申请人： Hiroshi Oyama ,  Utami Soma ,  Atsushi Takahashi ,  Tadashi Matsudaira ,  Youbao Peng ,  Shinpei Kawasaki

发明人： Hiroshi Oyama ,  Utami Soma ,  Atsushi Takahashi ,  Tadashi Matsudaira ,  Youbao Peng ,  Shinpei Kawasaki

IPC分类号： G06K15/00

CPC分类号： G03G15/238 ,  G03G15/5062

摘要： An image forming apparatus provided with an image forming section forming a reference mark at the position being away from the leading edge of the front surface of a sheet by a prescribed length, and forming an image for the front surface based on the forming position of the reference mark, a transfer sheet reversing section reversing the sheet, a leading edge detection sensor detecting the leading edge of the rear surface of the sheet and a mark detection sensor detecting the forming position of the reference mark on the sheet based on the leading edge of the rear surface of the transfer sheet, and the image forming section forms an image on the rear surface of the transfer sheet based on the forming position of the reference mark on the sheet whose reference point is the leading edge of the rear surface of the transfer sheet.

摘要翻译： 一种图像形成装置，该图像形成装置具有在远离纸张前表面的前缘的位置处形成参考标记的图像形成部分，该图像形成部分基于片材的前表面的预定长度，并且基于 参考标记，反转纸张的转印纸反转部分，检测纸张后表面的前缘的前缘检测传感器和检测纸张上的参考标记的成形位置的标记检测传感器基于 转印纸的后表面和图像形成部分基于基准标记在基准点是转印表面的前边缘的纸张上的形成位置在转印纸的后表面上形成图像 片。

公开(公告)号：US07751742B2

公开(公告)日：2010-07-06

申请号：US11896414

申请日：2007-08-31

申请人： Tadashi Matsudaira ,  Utami Soma ,  Atsushi Takahashi ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

发明人： Tadashi Matsudaira ,  Utami Soma ,  Atsushi Takahashi ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

IPC分类号： G03G15/00

CPC分类号： G03G15/5004 ,  G03G2221/1696

摘要： An image forming apparatus having a main body unit for forming an image on a recording medium, connectable to at least one post-processing unit for performing post-processing for the recording medium on which the image is formed, the image forming apparatus includes, a current value acquiring portion for acquiring at least one of a calculated value of a current and a measured value of the current as a value of the current flowing through the main body unit, and a control portion for selecting an operation mode from a plurality of operation modes each having a distinct value of current flowing through the main body unit.

摘要翻译： 一种图像形成装置，具有用于在记录介质上形成图像的主体单元，可连接至至少一个后处理单元，用于对其上形成图像的记录介质执行后处理，所述图像形成装置包括： 电流值获取部分，用于获取电流的计算值和电流的测量值中的至少一个作为流过主体单元的电流的值;以及控制部分，用于从多个操作中选择操作模式 各自具有流过主体单元的电流的明显值的模式。

公开(公告)号：US20100061783A1

公开(公告)日：2010-03-11

申请号：US12551743

申请日：2009-09-01

申请人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Youbao Peng

发明人： Shinpei Kawasaki ,  Tadashi Matsudaira ,  Youbao Peng

IPC分类号： G03G15/00 ,  B65H7/06

CPC分类号： B65H9/002 ,  B65H2511/216 ,  B65H2511/514 ,  B65H2513/104 ,  B65H2513/50 ,  B65H2701/1315 ,  B65H2220/01 ,  B65H2220/02

摘要： A sheet conveying apparatus provided with the first pair of rollers and the second pair of rollers which are positioned in the same axis perpendicular to a fixed direction, and convey a sheet in the conveying direction by rotating while nipping the sheet, the first drive section which drives the first pair of rollers and the second drive section which drives the second pair of rollers, the first detection section which detects a skew angle of the sheet against the conveying direction and a position of an edge part of the sheet in a direction perpendicular to the conveying direction before the sheet is conveyed by the pairs of rollers, and the control section which changes at least one of the rotating speeds based on the detected skew angle, and controls a timing to change the rotating speed based on the detected position of an edge part.

摘要翻译： 一种纸张输送装置，设有第一对辊和第二对辊，它们定位在垂直于固定方向的同一轴线上，并且在夹住纸张的同时通过旋转来传送纸张在输送方向上，第一驱动部分 驱动第一对辊和驱动第二对辊的第二驱动部分，第一检测部分检测纸张相对于输送方向的歪斜角度以及片材的边缘部分在垂直于纸张的方向上的位置 基于检测到的倾斜角度，改变至少一个旋转速度的控制部，基于检测到的位置来控制转动速度的定时， 边缘部分。

公开(公告)号：US20080123116A1

公开(公告)日：2008-05-29

申请号：US11868301

申请日：2007-10-05

申请人： Hiroshi Oyama ,  Utami Soma ,  Atsushi Takahashi ,  Tadashi Matsudaira ,  Youbao Peng ,  Shinpei Kawasaki

发明人： Hiroshi Oyama ,  Utami Soma ,  Atsushi Takahashi ,  Tadashi Matsudaira ,  Youbao Peng ,  Shinpei Kawasaki

IPC分类号： G06K1/00

CPC分类号： G03G15/238 ,  G03G15/5062

摘要： An image forming apparatus provided with an image forming section forming a reference mark at the position being away from the leading edge of the front surface of a sheet by a prescribed length, and forming an image for the front surface based on the forming position of the reference mark, a transfer sheet reversing section reversing the sheet, a leading edge detection sensor detecting the leading edge of the rear surface of the sheet and a mark detection sensor detecting the forming position of the reference mark on the sheet based on the leading edge of the rear surface of the transfer sheet, and the image forming section forms an image on the rear surface of the transfer sheet based on the forming position of the reference mark on the sheet whose reference point is the leading edge of the rear surface of the transfer sheet.

摘要翻译： 一种图像形成装置，该图像形成装置具有在远离纸张前表面的前缘的位置处形成参考标记的图像形成部分，该图像形成部分基于片材的前表面的预定长度，并且基于 参考标记，反转纸张的转印纸反转部分，检测纸张后表面的前缘的前缘检测传感器和检测纸张上的参考标记的成形位置的标记检测传感器基于 转印纸的后表面和图像形成部分基于基准标记在基准点是转印表面的前边缘的纸张上的形成位置在转印纸的后表面上形成图像 片。

公开(公告)号：US20080075497A1

公开(公告)日：2008-03-27

申请号：US11896414

申请日：2007-08-31

申请人： Tadashi Matsudaira ,  Utami Soma ,  Atsushi Takahashi ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

发明人： Tadashi Matsudaira ,  Utami Soma ,  Atsushi Takahashi ,  Youbao Peng ,  Hiroshi Oyama ,  Shinpei Kawasaki

IPC分类号： G03G15/00

CPC分类号： G03G15/5004 ,  G03G2221/1696

摘要： An image forming apparatus having a main body unit for forming an image on a recording medium, connectable to at least one post-processing unit for performing post-processing for the recording medium on which the image is formed, the image forming apparatus includes, a current value acquiring portion for acquiring at least one of a calculated value of a current and a measured value of the current as a value of the current flowing through the main body unit, and a control portion for selecting an operation mode from a plurality of operation modes each having a distinct value of current flowing through the main body unit.

摘要翻译： 一种图像形成装置，具有用于在记录介质上形成图像的主体单元，可连接至至少一个后处理单元，用于对其上形成图像的记录介质执行后处理，所述图像形成装置包括： 电流值获取部分，用于获取电流的计算值和电流的测量值中的至少一个作为流过主体单元的电流的值;以及控制部分，用于从多个操作中选择操作模式 各自具有流过主体单元的电流的明显值的模式。

公开(公告)号：US20070216087A1

公开(公告)日：2007-09-20

申请号：US11646020

申请日：2006-12-27

申请人： Tadashi Matsudaira ,  Masaaki Goto ,  Hiroshi Oyama ,  Masayuki Watanabe ,  Shinpei Kawasaki

发明人： Tadashi Matsudaira ,  Masaaki Goto ,  Hiroshi Oyama ,  Masayuki Watanabe ,  Shinpei Kawasaki

IPC分类号： B65H7/02

CPC分类号： B65H29/241 ,  B65H29/62 ,  B65H2301/44514 ,  B65H2511/524 ,  B65H2513/42 ,  B65H2220/01 ,  B65H2220/02

摘要： There is described a paper sheet conveyance apparatus, which makes it possible to surely separate the overlapping paper sheets from each other irrespective of a kind of paper. The apparatus includes: a thickness detecting section to detect a thickness of a paper sheet, currently conveyed in the conveyance path; a first suction device to adsorb the conveyance paper sheet currently passing through the first suction device; a second suction device to adsorb the overlap paper sheet currently passing through the second suction device; an overlapping conveyance path that is branched from the conveyance path; and a control section that activates the first suction device and the second suction device so as to separate the conveyance paper sheet from the overlap paper sheet, and to introduce the conveyance paper sheet and the overlap paper sheet into the conveyance path and the overlapping conveyance path, respectively.

摘要翻译： 描述了一种纸张输送装置，其使得可以将重叠的纸张彼此可靠地分离，而不管纸张的种类如何。 该装置包括：厚度检测部，用于检测当前在输送路径中传送的纸张的厚度; 用于吸附目前通过第一吸引装置的输送纸张的第一吸引装置; 第二抽吸装置，用于吸附当前通过第二抽吸装置的重叠纸张; 从输送路径分支的重叠输送路径; 以及控制部，其使所述第一吸引装置和所述第二吸引装置从所述重叠纸张分离，并且将所述输送用纸和所述重叠纸张引入所述输送路径和所述重叠输送路径 ， 分别。

公开(公告)号：US07181149B2

公开(公告)日：2007-02-20

申请号：US10949455

申请日：2004-09-27

申请人： Norio Joichi ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Yoshiki Katayama ,  Shinpei Kawasaki ,  Takashi Nara

发明人： Norio Joichi ,  Tadashi Matsudaira ,  Youbao Peng ,  Hiroshi Oyama ,  Katsunori Takahashi ,  Masayuki Watanabe ,  Yoshiki Katayama ,  Shinpei Kawasaki ,  Takashi Nara

IPC分类号： G03G21/00

CPC分类号： G03G15/5004 ,  G03G15/80

摘要： There is described an image forming apparatus, in which the influence of the overall controlling section startup time is reduced, thereby cutting down the time from turning on of power to enabling of image formation. The image forming apparatus includes: a main power switch to turn ON/OFF an AC power source to be supplied into the image forming apparatus; a DC power current generating section to convert AC power current, fed from the AC power source, to DC power current; an overall-controlling section to control overall operations of the image forming apparatus; an engine-controlling section to conduct a predetermined controlling operation among from controlling operations to be conducted in the image forming apparatus; a first power-controlling section, included in the overall-controlling section and/or controlled by the overall-controlling section; and a second power-controlling section, having a starting time shorter than that of the first power-controlling section.

摘要翻译： 描述了一种图像形成装置，其中整体控制部分启动时间的影响减小，从而减少从打开电源到启用图像形成的时间。 图像形成装置包括：主电源开关，用于接通/关闭要供给到图像形成装置中的交流电源; 直流电力产生部分，用于将从AC电源馈送的AC电力电流转换为DC电力电流; 整体控制部分，用于控制图像形成装置的整体操作; 引擎控制部分，用于在图像形成装置中进行的控制操作之间进行预定的控制操作; 包括在总体控制部分中和/或由总体控制部分控制的第一功率控制部分; 以及第二功率控制部，其开始时间比第一功率控制部的开始时间短。