-
公开(公告)号：JP2009035364A
公开(公告)日：2009-02-19
申请号：JP2007199852
申请日：2007-07-31
Inventor： YASUMOTO TAKESHI
CPC classification number: G03G15/70 , B65H7/06 , B65H9/002 , B65H2220/09 , B65H2511/22 , B65H2511/242 , B65H2511/51 , B65H2511/514 , B65H2553/41 , B65H2801/06 , G03G15/235 , G03G15/6564 , G03G15/6567 , G03G2215/00333 , G03G2215/00616 , G03G2215/00721 , G03G2215/0129 , B65H2220/03 , B65H2220/01
Abstract: PROBLEM TO BE SOLVED: To provide a sheet conveying device and an image forming device capable of reliably performing various kinds of controls when conveying sheets. SOLUTION: A first detection unit S1 and a second detection unit S2 for detecting a sheet S to be conveyed are provided in a sheet conveying passage, and the distance D between the first detection unit S1 and the second detection unit S2 is computed by a computation unit based on the detection signals from the first detection unit S1 and the second detection unit S2. The distance between the detection units computed by the computation unit is stored in a memory unit as the reference distance based on the detection signals of the first detection unit S1 and the second detection unit S2 when conveying the sheet with the known length in the sheet conveying direction. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种输送片材时能够可靠地执行各种控制的片材输送装置和图像形成装置。 解决方案：在纸张传送通道中设置用于检测要传送的纸张S的第一检测单元S1和第二检测单元S2，并且计算第一检测单元S1和第二检测单元S2之间的距离D 通过计算单元基于来自第一检测单元S1和第二检测单元S2的检测信号。 基于第一检测单元S1和第二检测单元S2的检测信号，当在片材输送中输送具有已知长度的片材时，由计算单元计算的检测单元之间的距离作为基准距离存储在存储单元中 方向。 版权所有（C）2009，JPO＆INPIT
-
公开(公告)号：JP2008309941A
公开(公告)日：2008-12-25
申请号：JP2007156394
申请日：2007-06-13
Inventor： MOCHIZUKI ATSUSHI
CPC classification number: G03G15/0131 , G03G15/161 , G03G15/1615 , G03G2215/00156 , G03G2215/0119 , G03G2215/0129 , G03G2215/0141 , G03G2215/0158 , G03G2215/0193
Abstract: PROBLEM TO BE SOLVED: To solve the problem in that when the winding angle of a belt member with respect to a supporting roller changes, the force received by the belt member from the supporting roller changes even at the same inclination angle of the supporting roller, which makes it difficult to appropriately correct the pulling of the belt member. SOLUTION: An image forming apparatus adjusts an inclination angle of the supporting roller for regulating pulling of the belt member serving as an intermediate transfer belt or a recording-material supporting belt. The image forming apparatus changes a method of adjusting an inclination angle of the supporting roller in accordance with a winding angle of the belt member with respect to the supporting roller. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题是，为了解决带状构件相对于支撑辊的卷绕角度变化的问题，带构件从支撑辊接收的力甚至以相同的倾斜角度改变 支撑辊，这使得难以适当地纠正带部件的拉动。 解决方案：图像形成装置调节用于调节用作中间转印带或记录材料支撑带的带部件的拉伸的支撑辊的倾斜角度。 图像形成装置根据带构件相对于支撑辊的卷绕角度改变调整支撑辊的倾斜角度的方法。 版权所有（C）2009，JPO＆INPIT
-
公开(公告)号：JP2008261932A
公开(公告)日：2008-10-30
申请号：JP2007102922
申请日：2007-04-10
Inventor： TAKEZAWA SATORU
CPC classification number: G03G15/0194 , G03G2215/00063 , G03G2215/0129 , G03G2215/0161
Abstract: PROBLEM TO BE SOLVED: To provide an image-forming apparatus which corrects a color shift while reducing an amount of consumed toner. SOLUTION: The color image-forming apparatus is provided with; a generation means (S601) which generates position-detecting patches for correcting color shifts formed on an intermediate transfer body; a detection means (S602) which detects the position-detecting patches; a determination means (S603) which determines whether the densities of the position-detecting patches thus detected are in an adequate range; and adjustment means (S604 and S607) which adjust the densities of the position-detecting patches thus detected according to the results of the determination by the determination means. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种在减少消耗的调色剂量的同时校正色移的图像形成装置。
解决方案：彩色图像形成装置具有： 生成装置（S601），其生成用于校正形成在中间转印体上的色移的位置检测贴片; 检测装置（S602），其检测位置检测贴片; 确定装置（S603），其确定如此检测的位置检测片段的密度是否在适当的范围内; 以及调整装置（S604和S607），其根据确定装置的确定结果调整如此检测的位置检测片的密度。 版权所有（C）2009，JPO＆INPIT
-
公开(公告)号：JP2008230832A
公开(公告)日：2008-10-02
申请号：JP2007076591
申请日：2007-03-23
Applicant: Ricoh Co Ltd , 株式会社リコー
Inventor： SHOJI YUTAKA , SHIRAKAWA JUNJI , SOAN TAKAYUKI
CPC classification number: G03G15/6558 , G03G15/162 , G03G15/6564 , G03G15/6567 , G03G2215/00675 , G03G2215/0129
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of saving space even when using a belt-like image carrier. SOLUTION: The image forming device comprises a belt-like image carrier 8 for carrying an image, an image transfer unit 19 for transferring the image carried on the image carrier 8 on a recording medium, and a conveying unit 30 for conveying the recording medium toward the image transfer unit 19. A belt surface 8a is arranged on the image carrier 8 in an inclined manner from an upper side to a lower side on the upstream side in the traveling direction to the image transfer unit 19. The conveying unit 30 has a straight conveying path K2 arranged above the horizontal line passing through the image transfer unit 19 below the belt surface 8a on the upstream side in the conveying direction to the image transfer unit 19. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供即使在使用带状图像载体时也能够节省空间的图像形成装置。 图像形成装置包括用于承载图像的带状图像载体8，用于将承载在图像载体8上的图像转印到记录介质上的图像转印单元19和用于传送图像载体8的输送单元30 记录介质朝向图像传送单元19.在图像载体8上以从上侧到上侧的倾斜方向在图像传送单元19的行进方向上布置带表面8a。传送单元 30具有布置在水平线上方的直线传送路径K2，该直线传送路径K2通过图像传送单元19在传送方向上的上游侧的带表面8a下方到达图像传送单元19.版权所有（C）2009，JPO＆INPIT
-
公开(公告)号：JP2008197464A
公开(公告)日：2008-08-28
申请号：JP2007033598
申请日：2007-02-14
Inventor： AKITA MASANORI
CPC classification number: G03G15/0907 , G03G2215/0129
Abstract: PROBLEM TO BE SOLVED: To provide an image-forming device which reduces a reverse fogging toner of an image carrier and makes mixed colors of a black toner in full-color mode unemphatic without an exclusive-use recovery device. SOLUTION: The image-forming device has: a full-color mode in which an image-forming part 100K overlaps a black toner image on a yellow toner image, which an image-forming part 100Y transfers on an intermediate transcription belt 24, to execute primary transfer; and a black single color mode in which only the image-forming part 100K transfers a toner image on the intermediate transcription belt 24. A peak-to-peak voltage Vpp of an alternate current component of a development voltage applied to a development sleeve 3K is set to be lower in the full-color mode than in the black single mode, and a circumferential speed of the development sleeve 3K is set to be large. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：提供一种图像形成装置，其减少图像载体的反模糊调色剂，并且在不使用专用回收装置的情况下，使黑色调色剂在全色模式下不混合的混合颜色。 图像形成装置具有：全色模式，其中图像形成部分100K与黄色调色剂图像上的黑色调色剂图像重叠，图像形成部分100Y在中间转印带24上转印 ，执行一次转让; 以及只有图像形成部分100K在中间转印带24上传送调色剂图像的黑色单色模式。施加到显影套筒3K的显影电压的交流分量的峰 - 峰电压Vpp是 在全色模式下比在黑色单一模式下设定的低，并且显影套筒3K的圆周速度被设定得较大。 版权所有（C）2008，JPO＆INPIT
-
Patent Agency Ranking
公开(公告)号：JP2008026701A
公开(公告)日：2008-02-07
申请号：JP2006200641
申请日：2006-07-24
Inventor： OUCHI TORU
CPC classification number: G03G15/5058 , G03G15/0131 , G03G2215/00059 , G03G2215/0129 , G03G2215/0161
Abstract: PROBLEM TO BE SOLVED: To provide a technology for adjusting images without reducing a printing speed and without increasing a manufacturing cost of a device when continuously printing color images on a recording medium such as thick paper.
SOLUTION: An image forming device 100 forms an image adjustment pattern in a region between toner images on an intermediate transfer belt of an image forming part 60 in response to the set operation mode when adjusting images during continuous printing by the image forming part 60 based on the operation mode set by an operation part 20 and a communication part 80 under control of a control part 10 and detects the pattern with a sensor to adjust the images.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种用于在不降低打印速度的情况下调整图像的技术，并且当在诸如厚纸的记录介质上连续打印彩色图像时，不会增加设备的制造成本。 解决方案：图像形成装置100响应于设定的操作模式在图像形成部分的连续打印期间调整图像时在图像形成部分60的中间转印带上的调色剂图像之间的区域中形成图像调整图案 基于由操作部20设定的操作模式和在控制部10的控制下的通信部80，并利用传感器检测图案来调整图像。 版权所有（C）2008，JPO＆INPIT
-
公开(公告)号：JP2007171923A
公开(公告)日：2007-07-05
申请号：JP2006266514
申请日：2006-09-29
Applicant: Ricoh Co Ltd , 株式会社リコー
Inventor： TAGUMA KENICHI , KANEKO CHIEMI , SUZUKI HIROKATSU , ISHIKAWA EMIKO
CPC classification number: G03G15/0822 , G03G9/0819 , G03G9/0827 , G03G9/097 , G03G9/10 , G03G2215/0129 , G03G2215/0607 , G03G2215/0822 , G03G2215/0838
Abstract: PROBLEM TO BE SOLVED: To provide a developing unit capable of suppressing a developer stress by smoothening the transport of a developer to extend the lifetime of the developer and obtaining a stable image density for a long period of time and to provide an image forming apparatus including the developing unit. SOLUTION: The developing unit 4 circulating the developer unidirectionally includes three screws of a collecting screw, a supply screw 8, and an agitation screw, and a height h2(B) of a lower end part of the agitation screw is 11 higher than a height h2(C) of a lower end part of the supply screw 8. An image forming apparatus 100 includes the developing unit 4. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供一种能够通过平滑显影剂的输送以延长显影剂寿命并长时间获得稳定的图像浓度来抑制显影剂应力的显影单元，并提供图像 包括显影单元的成型设备。 解决方案：单向循环显影单元4包括收集螺丝，供给螺杆8和搅拌螺丝的三个螺钉，搅拌螺杆的下端部的高度h2（B）高11 高于供应螺杆8的下端部的高度h2（℃）。图像形成装置100包括显影单元4.版权所有（C）2007，JPO＆INPIT
-
公开(公告)号：JP2007011293A
公开(公告)日：2007-01-18
申请号：JP2006105753
申请日：2006-04-06
Inventor： KOMATA HARUHIKO
CPC classification number: G03G15/0194 , G03G15/0189 , G03G2215/0119 , G03G2215/0129 , G03G2215/0141
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus providing the maximum bearing amount of transparent toner under stable image forming conditions. SOLUTION: The image forming apparatus includes: colored toner image forming means Pa to Pd each developing an electrostatic image with the colored toner to form a colored toner image; a transparent toner image forming means Pe developing the electrostatic image with the transparent toner to form the transparent toner image; a transfer means 6 superimposing and transferring the colored toner images and the transparent toner image on a transfer medium S; a fixing means 9 fixing the superimposed toner images on the transfer medium S; and a control means 200 controlling an image forming operation by the transparent toner image forming means in such a manner that the heights of the superimposed toner images fixed by the fixing means 9 are substantially constant. The transparent toner has an absolute value for a charge amount per unit weight smaller than an absolute value for the charge amount of each of the colored toners per unit weight. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供在稳定的图像形成条件下提供透明调色剂的最大承载量的图像形成装置。 图像形成装置包括：着色调色剂图像形成装置Pa至Pd，每个用彩色调色剂显影静电图像，以形成彩色调色剂图像; 透明调色剂图像形成装置Pe用透明调色剂显影静电图像以形成透明调色剂图像; 转印装置6将着色的调色剂图像和透明调色剂图像叠加并转印在转印介质S上; 将叠加的调色剂图像固定在转印介质S上的固定装置9; 以及控制装置200，其通过透明调色剂图像形成装置控制图像形成操作，使得由固定装置9固定的叠加的调色剂图像的高度基本上恒定。 透明调色剂对于每单位重量的每种着色调色剂的电荷量的绝对值小于每单位重量的电荷量的绝对值。 版权所有（C）2007，JPO＆INPIT
-
公开(公告)号：JP2006078926A
公开(公告)日：2006-03-23
申请号：JP2004264908
申请日：2004-09-13
Applicant: Ricoh Co Ltd , 株式会社リコー
Inventor： SHU HIYO , AOKI MITSUO , MASUDA MINORU , HASEGAWA HISAMI
CPC classification number: G03G9/091 , G03G2215/0129
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus with less scattering of toners in an image forming apparatus, while taking into consideration color reproducibility of yellow, magenta and red toners which significantly influence the quality of a color image, and to provide a color toner used for the image forming apparatus. SOLUTION: The image forming apparatus 100 is equipped with at least three development devices 4 and produces a visible image on a recording medium using at least a yellow toner, a magenta toner and a cyan toner, wherein the magenta toner containing an organic pigment represented by C.I.PR269 and the yellow toner containing an organic pigment represented by C.I.PY155 and/or C.I.PY180 are used. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：为了提供一种在图像形成装置中具有较少散光的成像装置，同时考虑到显着影响彩色图像质量的黄色，品红色和红色调色剂的颜色再现性，以及 提供用于图像形成装置的彩色调色剂。 图像形成装置100配备有至少三个显影装置4，并且使用至少黄色调色剂，品红色调色剂和青色调色剂在记录介质上产生可见图像，其中包含有机物的品红色调色剂 使用由CIPR269代表的颜料和含有由CIPY155和/或CIPY180表示的有机颜料的黄色调色剂。 版权所有（C）2006，JPO＆NCIPI
-
公开(公告)号：JP2006010985A
公开(公告)日：2006-01-12
申请号：JP2004186934
申请日：2004-06-24
Applicant: Ricoh Co Ltd , 株式会社リコー
Inventor： TAKAHASHI HIDEAKI
CPC classification number: G03G2215/0129
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus which is free of variation in conveyance speed of an intermediate transfer belt due to variation in driving roller diameter and form stable images with small color slurring by being configured to detect and keep constant the driving roller surface temperature of the intermediate transfer belt at any time.
SOLUTION: The color image forming apparatus having an endless belt means 4 of forming an image by superposing toner images one after another and a driving means 5 of driving this endless belt means 4 is equipped with a detecting means 22 of detecting the surface temperature of the driving means 5 and a heating means 21, 23 and 24 of keeping the driving means 5 at constant temperature.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种图像形成装置，其由于驱动辊直径的变化而不会导致中间转印带的输送速度的变化，并且通过被配置为检测并保持恒定而形成具有小颜色瑕疵的稳定图像 随时中间转印带的驱动辊表面温度。 解决方案：具有通过使调色剂图像彼此重叠形成图像的环形带装置4和驱动该环形带装置4的驱动装置5的彩色图像形成装置配备有检测装置22，其检测表面 驱动装置5的温度和将驱动装置5保持在恒定温度的加热装置21,23和24。 版权所有（C）2006，JPO＆NCIPI
-
-
-
-
-
-
-
-
-
Search Results
884
records
(took 0.027 seconds)
