专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014145952A Image forming apparatus, developing device, and process cartridge 审中-公开
标题翻译：图像形成装置，开发装置和处理盒
公开(公告)号：JP2014145952A
公开(公告)日：2014-08-14
申请号：JP2013015136
申请日：2013-01-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAMURA HIROOMI , NAKAGAWA YOSHINORI , SUZUKI HIROKATSU , KOINUMA NORIYUKI , TAKAHASHI TOMOKO , ISHIBASHI MIKIO , YOSHINAMI HIDEKI , YOSHIDA TAKASHI
IPC分类号： G03G15/08 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that suppresses the generation of periodical unevenness in image density in a toner image formed on an image carrier, even when there is a variation in concaves and convexes (concave parts and convex parts) formed on an outer peripheral surface of a developer carrier; a developing device; and a process cartridge.SOLUTION: An image forming apparatus includes an optical sensor 75 that receives, when an outer peripheral surface of a developing roller 51 (developer carrier) in an image area is irradiated with light, light reflected on concave parts and light reflected on convex parts.
摘要翻译：要解决的问题：为了提供一种图像形成装置，其抑制在形成于图像载体上的调色剂图像中产生图像浓度的周期性不均匀，即使在形成有凹凸（凹部和凸部）的变化显影剂载体的外周表面; 显影装置; 图像形成装置包括：光学传感器75，其在图像区域中的显影辊51（显影剂载体）的外周面被光照射时反射的光，反射的光凸起部分。

2. 发明专利

JP2013195785A Developing device, image forming apparatus and process unit 审中-公开
标题翻译：开发设备，图像形成装置和处理单元
公开(公告)号：JP2013195785A
公开(公告)日：2013-09-30
申请号：JP2012063768
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOINUMA NORIYUKI , TAKAHASHI TOMOKO , YOSHINAMI HIDEKI , TAMURA HIROOMI , SUZUKI HIROKATSU , ISHIBASHI MIKIO , NAKAGAWA YOSHINORI , ISHII YASUYUKI , YOSHIDA TAKASHI
IPC分类号： G03G15/08 , G03G15/00 , G03G15/06
摘要： PROBLEM TO BE SOLVED: To provide a developing device which can stably carry a desired amount of developer on the surface of a developer carrier and suppress variation in image density even if the developing device is driven for a long time.SOLUTION: There is provided a developing device which comprises: a developer carrier 42 which conveys a developer to a developing area facing a latent image carrier 2 to supply the developer to the latent image carrier 2 by rotating the developer carrier in a state where the developer is carried on the surface of regular recesses and protrusions 42a and 42b; a regulating member 45 which comes into contact with the surface of the rotating develop@er carrier to regulate the amount of the developer toward the developing area; and development bias applying means 142 for applying an alternating voltage to the developer carrier 42. The alternating voltage is obtained by superimposing a DC bias and an AC bias, the development bias applying means 142 increases the DC bias value and reduces the amplitude of the AC bias according to the driving time of the developing device.
摘要翻译：要解决的问题：提供一种能够在显影剂载体的表面上稳定地携带所需量的显影剂的显影装置，并且即使显影装置长时间被驱动，也抑制图像浓度的变化。解决方案：提供了一种显影装置，其包括：显影剂载体42，其将显影剂输送到面向潜像载体2的显影区域，以通过在显影剂承载在潜像载体2的表面上的状态下转动显影剂载体来将显影剂供应到潜像载体2 规则的凹凸42a和42b; 调节构件45，其与旋转显影剂载体的表面接触以调节显影剂朝向显影区域的量; 以及用于向显影剂载体42施加交流电压的显影偏压施加装置142.通过叠加DC偏压和AC偏压获得交流电压，显影偏压施加装置142增加DC偏置值并降低AC的幅度根据显影装置的驱动时间偏差。

3. 发明专利

JP2013195540A Developing device, image forming apparatus and process unit 审中-公开
标题翻译：开发设备，图像形成装置和处理单元
公开(公告)号：JP2013195540A
公开(公告)日：2013-09-30
申请号：JP2012060760
申请日：2012-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKAHASHI TOMOKO , ISHII YASUYUKI , SUZUKI HIROKATSU , TAMURA HIROOMI , YOSHIDA TAKASHI , KOINUMA NORIYUKI , YOSHINAMI HIDEKI , NAKAGAWA YOSHINORI , ISHIBASHI MIKIO
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To enable efficiently discharge of the accumulated developer.SOLUTION: There is provided a developing device which comprises: a developing roller 42 which forms a latent image by attaching toner T to the latent image of a photoreceptor 2; a supply roller which comes into contact with the developing roller 42 to supply the toner to the developing roller 42; and a motor for rotationally driving the developing roller 42 and the supply roller 44, and the developing roller 42 moves from above to below in the direction of gravitational force (arrow B direction) and the supply roller 44 moves from below to above in the direction of gravitational force (arrow C direction) at a part β where the developing roller 42 and the supply roller 44 come in contact with each other during the operation to attach the toner T to the photoreceptor 2. The supply roller 44 is driven in a direction opposite to the moving direction (arrow C direction).
摘要翻译：要解决的问题：能够有效地排出积聚的显影剂。解决方案：提供一种显影装置，其包括：显影辊42，其通过将调色剂T附着到感光体2的潜像上形成潜像; 与显影辊42接触以将调色剂供给到显影辊42的供应辊; 以及用于旋转地驱动显影辊42和供给辊44的电动机，并且显影辊42在重力方向（箭头B方向）从上方向下移动到下方，并且供给辊44从下方移动到上述方向的重力（箭头C方向）; 在将调色剂T附着到感光体2的操作期间，显影辊42和供给辊44相互接触。供给辊44沿与移动方向（箭头C方向）相反的方向被驱动。

4. 发明专利

JP2013111919A Procedure informing apparatus and image forming apparatus 有权
标题翻译：程序通知装置和图像形成装置
公开(公告)号：JP2013111919A
公开(公告)日：2013-06-10
申请号：JP2011261987
申请日：2011-11-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AKIYAMA MAMI , SAGAWA YASUHIRO , FURUYA SEIJI , IZUMIKAWA MANABU , ISHIBASHI MIKIO , HATTORI YOSHIO , OTA SO , TAKENAKA MAKOTO , MURAKAMI HIROAKI
IPC分类号： B41J29/42 , B41J29/46 , G03G21/00 , G03G21/16 , H04N1/00
CPC分类号： G06F3/12 , G03G15/502 , G03G15/70
摘要： PROBLEM TO BE SOLVED: To provide a procedure informing apparatus and an image forming apparatus capable of performing jam processing in a short time period.SOLUTION: The procedure informing apparatus includes: a residual medium detecting means 30 that detects presence/absence of a record medium left in a record medium passing portion in an image forming apparatus body 1; and an opening/closing detecting means 31 that detects an opening/closing state of an opening/closing element necessary for taking out the residual record medium from the image forming apparatus body. The procedure informing apparatus also includes: a storage means 32 that stores a reference table that defines a combination of the output of the residual medium detecting means 30 and the output of the opening/closing detecting means 31 together with operations subsequently needed for respective combinations in association with each other; an informing control means 33 that determines the combination of the outputs of the residual medium detecting means 30 and the opening/closing detecting means 31 correspondingly to the reference table of the storage means 32; and an informing means 34 that informs necessary operations in the combination as a result of referring to the combination of the outputs of the residual medium detecting means 30 and the opening/closing detecting means 31 to the reference table by the informing control means 33.
摘要翻译：解决的问题：提供能够在短时间内进行卡纸处理的程序通知装置和图像形成装置。过程通知装置包括：残留介质检测装置30，其检测图像形成装置主体1中记录介质通过部分中留下的记录介质的存在/不存在; 以及检测从图像形成装置主体取出残留记录介质所需的打开/关闭元件的打开/关闭状态的打开/关闭检测装置31。程序通知装置还包括：存储装置32，其存储限定了残留介质检测装置30的输出和打开/关闭检测装置31的输出的组合的参考表以及随后的各组合所需的操作相互联系通知控制装置33，其根据存储装置32的参考表确定残留介质检测装置30和打开/关闭检测装置31的输出的组合; 以及通知装置34，其通过由通知控制装置33参考残留介质检测装置30和打开/关闭检测装置31的输出到参考表的结合来通知组合中的必要操作。 P>版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2011180498A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2011180498A
公开(公告)日：2011-09-15
申请号：JP2010046443
申请日：2010-03-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA TAKASHI , KANAYA HIDEAKI , TAKAHASHI TOMOKO , KOINUMA NORIYUKI , HASHIMOTO SHUNICHI , MAEDA HIROAKI , OZAKI NAOYUKI , NAKAGAWA ETSUNORI , UNO MUGIJIRO , YOSHINAMI HIDEKI , ISHIBASHI MIKIO
IPC分类号： G03G15/16 , G03G15/01 , G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To prevent reverse transfer of a black toner image due to discharge in secondary transfer of a color image, in an image forming device including an independent monochrome image unit that facilitates recycling of black toner. SOLUTION: The image forming device includes: an intermediate transfer body on which a toner image is multi-transferred; a plurality of color image forming units disposed in parallel on the periphery of the image transfer body and forming toner images different in color on the inter mediate transfer body; a secondary transfer device which transfers composite color image on the intermediate transfer body to a recording medium; and a monochrome image forming unit which transfers to the recording medium the black toner image provided upstream of the recording medium conveyance path from the secondary transfer device. The image forming device further includes a re-charging means charging the black toner downstream of the recording medium conveyance path from the transfer position of the monochrome image forming unit and upstream of the recording medium conveyance path of the secondary transfer position by a secondary transfer device. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止在彩色图像的二次转印中由于放电而导致的黑色调色剂图像的反向转印，在包括便于黑色调色剂再循环的独立单色图像单元的图像形成装置中。解决方案：图像形成装置包括：中间转印体，调色剂图像在其上多次转印; 多个彩色图像形成单元，其平行设置在图像转印体的周边上，并且在中间转印体上形成不同颜色的调色剂图像; 将中间转印体上的复合彩色图像转印到记录介质上的二次转印装置; 以及单色图像形成单元，其从二次转印装置向记录介质传送设置在记录介质输送路径上游的黑色调色剂图像。图像形成装置还包括从双色图像形成单元的转印位置和二次转印位置的记录介质输送路径的上游向记录介质输送路径下游的黑色调色剂充电的再充电装置，。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2011085906A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011085906A
公开(公告)日：2011-04-28
申请号：JP2010185536
申请日：2010-08-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAGAWA YOSHINORI , ISHIBASHI MIKIO , YOSHINAMI HIDEKI , KOINUMA NORIYUKI , TAKAHASHI TOMOKO , UNO MUGIJIRO , HASHIMOTO SHUNICHI , MAEDA HIROAKI , OZAKI NAOYUKI , YOSHIDA TAKASHI , KANAYA HIDEAKI
IPC分类号： G03G15/01 , G03G15/00 , G03G15/16 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for easily attaining operation in monochrome mode and full-color mode, and quickly forming clear images.
SOLUTION: The image forming apparatus includes: an intermediate transfer belt 11 which is switched between a first state where toner images transferred to latent image carriers 60Y-60B can be secondarily transferred to a recording material P by using a rear secondary transfer roller 66, and a second state where the intermediate transfer belt is separated from one latent image carrier 60B and the rear secondary transfer roller 66; an intermediate transfer roller 200 which is switched between a transfer position facing the one latent image carrier 60B and a position separated from the transfer position; a front transfer roller 204 which is switched between a position where the toner image on the intermediate transfer roller 200 is transferred to the recording material and a position where the front transfer roller is separated from the transfer position; and a controller 500 which changes a state of the intermediate transfer belt 11, a primary transfer position P31 of the intermediate transfer roller 200, and a secondary transfer position u1 of the front transfer roller 204.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在单色模式和全色模式下容易获得操作的图像形成装置，并且快速形成清晰的图像。图像形成装置包括：中间转印带11，其在转印到潜像载体60Y-60B的调色剂图像可以通过使用后部二次转印辊二次转印到记录材料P的第一状态之间切换 66和第二状态，其中中间转印带与一个潜像载体60B和后二次转印辊66分离; 中间转印辊200，其在面对一个潜像载体60B的转印位置与从转印位置分离的位置之间切换; 在中间转印辊200上的调色剂图像被转印到记录材料的位置和前转印辊与转印位置分离的位置之间切换的前转印辊204; 以及改变中间转印带11的状态，中间转印辊200的一次转印位置P31和前转印辊204的二次转印位置u1的控制器500。（C）2011， JPO＆INPIT

7. 发明专利

JP2009062196A Sheet bonding device, postprocessing device, image forming device and sheet bonding method 有权
标题翻译：片材接合装置，放像装置，图像形成装置和片材接合方法
公开(公告)号：JP2009062196A
公开(公告)日：2009-03-26
申请号：JP2008144036
申请日：2008-06-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIZUTANI TAKEHIDE , SUDO KAZUHISA , ISHIBASHI MIKIO , NAKAMURA REKI , ARAI MEGUMI , IWASAKI YUKIKO , YUKI KAZUHIKO , KOINUMA NORIYUKI , YOSHIDA TAKASHI , YAMAMOTO KOSUKE
IPC分类号： B65H37/04
摘要： PROBLEM TO BE SOLVED: To provide a sheet bonding device and an image forming device capable of preventing wrinkles, an oblique curl and mixing-in of bubbles of a medium after bonding together, by eliminating a dispersion in an adhesive position, when bonding by crossing both sheets in its obliquely crossing position, by carrying a first sheet and a second sheet so as to be obliquely crossable. SOLUTION: A tension applying means for applying tension to the second sheet is arranged on the upstream side of a separating position for separating releasing paper laminated on an adhesive layer of the second sheet to the first sheet by a bonding means. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题：提供一种片接合装置和图像形成装置，其能够通过消除粘合位置中的分散而防止粘合在一起的褶皱，倾斜的卷曲和介质中的气泡混合，当时通过将第一片和第二片交替地倾斜地交叉，将两片相交在其交叉位置上进行接合。解决方案：在分离位置的上游侧设置有用于向第二片施加张力的张力施加装置，用于通过粘合装置将层压在第二片的粘合剂层上的剥离纸分离成第一片。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008276056A Image forming method and image forming apparatus 审中-公开
标题翻译：图像形成方法和图像形成装置
公开(公告)号：JP2008276056A
公开(公告)日：2008-11-13
申请号：JP2007121691
申请日：2007-05-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOINUMA NORIYUKI , ISHIBASHI MIKIO , IWASAKI YUKIKO , SUDO KAZUHISA , NAKAMURA REKI , YAMADA SEIJI , OTOSHI MEGUMI , SAKAMAKI TAKASHI
IPC分类号： G03G15/01 , B41J29/38 , G03G15/00 , H04N1/46 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To obtain an image forming method and an image forming apparatus, wherein preservability is good and an image of photographic sharpness is obtained, with a simple constitution. SOLUTION: The image forming method and apparatus uses an image reading part 300 and an image forming part 100 forming an image by superposing a plurality of colors to execute a function of creating an output profile by using the image reading part 300, wherein a means for forming the image in the image forming part 100 on a recording medium P which is partly or wholly transparent is included and the output profile is switched between the case that the purpose is observing from an opposite side of an image forming surface of the recording medium P and the case that the purpose is observing from the image forming surface. Thus, the image formation can be carried out by creating a profile for reproducing correct colors when observed from the opposite side of the image forming surface and the image of simple composition, good storing property and with the photographic sharpness can be obtained. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得图像形成方法和图像形成装置，其中保存性良好并且以简单的结构获得摄影清晰度的图像。解决方案：图像形成方法和装置使用通过叠加多种颜色来形成图像的图像读取部分300和图像形成部分100，以执行通过使用图像读取部分300创建输出分布的功能，其中包括在部分或全部是透明的记录介质P上的图像形成部分100中形成图像的装置，并且在从目标观察到的目的是从图像形成表面的相对侧开始的情况之间切换输出轮廓记录介质P和从图像形成表面观察目的的情况。因此，当从图像形成表面的相对侧观察时，可以通过创建用于再现正确颜色的轮廓来进行图像形成，并且可以获得简单的组成，良好的存储性能和照相清晰度的图像。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008189441A Sheet member adhesion device, image forming device, and sheet member adhesion method 审中-公开
标题翻译：薄片会员粘合装置，图像形成装置和薄片会员粘合方法
公开(公告)号：JP2008189441A
公开(公告)日：2008-08-21
申请号：JP2007025744
申请日：2007-02-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUDO KAZUHISA , ISHIBASHI MIKIO , NAKAMURA REKI , OTOSHI MEGUMI , IWASAKI YUKIKO , KOINUMA NORIYUKI , SAKAMAKI TAKASHI , YUKI KAZUHIKO , YOSHIDA TAKASHI
IPC分类号： B65H37/04 , G03G9/087 , G03G15/22 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a sheet member adhesion device, in which sheet members can be adhered to each other without letting bubbles penetrate between the sheet members.
SOLUTION: The device is provided with a transfer part 2 to transfer a first sheet member comprising a transparent sheet S1 on which toner images are recorded, and a delivery part 3 to separate a second sheet member comprising a non-transparent sheet S2 with an adhesive layer, for example, by a separation plate 34 to be delivered diagonally to the transfer direction for the first sheet member in such a way that it can be adhered to the first sheet member that is being transferred by the transfer part 2. Upon adhesion, the separation plate is actuated to vary the carrying direction for the sheet member to properly enlarge their adhesion angle, thereby the first sheet member and the second sheet member are adhered to each other.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供片状部件粘合装置，其中片状部件可以彼此粘合，而不会使气泡渗透在片状部件之间。解决方案：该装置设置有转印部分2以转印包括其上记录有调色剂图像的透明片材S1的第一片材和输送部分3，以分离包含不透明片材S2的第二片材具有粘合剂层，例如通过分隔板34，以使其能够粘附到由转印部2转印的第一片状构件的方式与第一片状构件的转印方向对角地被输送。在粘合时，分离板被致动以改变片状构件的传送方向以适当地增大其粘附角度，由此第一片状构件和第二片状构件彼此粘合。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2006301461A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2006301461A
公开(公告)日：2006-11-02
申请号：JP2005125793
申请日：2005-04-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ISHIBASHI MIKIO
IPC分类号： G03G15/08 , G03G21/14
CPC分类号： G03G15/5058 , G03G15/0194 , G03G15/0849 , G03G15/0853 , G03G2215/00059 , G03G2215/0607
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which has an image density detecting means and a toner density detecting means, wherein the control range of toner density and stability of an image can be made compatible even during various uses. SOLUTION: The image forming apparatus performs control for changing the aimed value (Vref) of toner density control on the basis of the output of the image density detecting means, and adjusts the output voltage level of the toner density detecting means with an input voltage so that when toner density controlled according to the aimed value (Vref) of the toner density control is the upper limit or lower limit of a range set as the toner density control range, density control based upon a toner density control range as a practical range exceeding the upper limit or lower limit can be performed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有图像浓度检测装置和调色剂浓度检测装置的图像形成装置，其中调色剂浓度和图像的稳定性的控制范围即使在各种用途下也可以兼容。解决方案：图像形成装置进行基于图像浓度检测装置的输出改变调色剂浓度控制的目标值（Vref）的控制，并且调节调色剂浓度检测装置的输出电压电平输入电压，使得当根据调色剂浓度控制的目标值（Vref）控制的调色剂浓度是设定为调色剂浓度控制范围的范围的上限或下限时，基于调色剂浓度控制范围的浓度控制为可以实现超过上限或下限的实用范围。版权所有（C）2007，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式