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    • 1. 发明专利
    • シート処理装置及び画像形成システム
    • 表格处理装置和图像形成系统
    • JP2015013706A
    • 2015-01-22
    • JP2013139761
    • 2013-07-03
    • 株式会社リコーRicoh Co Ltd
    • SATO SHOICHIHIDAKA MAKOTOSAITO SATOSHIHOSHINO TOMOMICHIKIKUCHI ATSUSHISHIN KISENSUGIYAMA KEISUKESANO TAKUYAWATANABE TAKAO
    • B65H45/30B65H37/04B65H45/18G03G15/00
    • 【課題】増し折り効果を確保しつつ、増し折りローラ対による増し折り動作によって綴じ部材が変形するのを抑制できるシート処理装置及び画像形成システムを提供する。【解決手段】シート束の綴じ部材50a、50bで綴じられた綴じ部近傍を折り位置として、シート束を挟み込み折り処理を施す折り手段230と、シート幅方向に対して直交する方向の軸を持つ一対のローラ部材をシート束を挟むように配置した、シート幅方向に移動しながらシート束の折り目を増し折りする増し折りローラ対266と、増し折りローラ対の少なくとも一方のローラ部材を折り目に押し付ける付勢力をローラ部材に付与する付勢手段265とを備えたシート処理装置において、増し折りローラ対が折り目をシート幅方向に移動して、綴じ部材がある部分を通過するときの前記付勢力を、増し折りローラ対が綴じ部材を通過する直前の付勢力よりも弱くなるように変更する付勢力変更手段を有する。【選択図】図1
    • 要解决的问题:提供一种片材处理装置和图像形成系统,其能够通过增加折叠辊对,通过增加折叠操作来约束装订构件变形,同时确保增加的折叠效果。解决方案:片材处理装置包括 :折叠装置230,用于通过将捆扎件附近的捆扎件附近作为折叠位置的捆扎件50a和50b夹紧来进行折叠加工; 增加折叠辊对266,用于通过将具有轴的一对辊构件沿与片材宽度方向正交的方向布置以便夹持片材束而在片材宽度方向上移动的同时逐渐折叠片材束的折叠线; 以及激励装置265,用于赋予增加的折叠辊对的至少一个辊构件到折叠线的作用力,并且包括:激励力改变装置,用于改变装订构件通过一个 当增加的折叠辊对在纸张宽度方向上移动折叠线以便比正在增加的折叠辊对穿过装订构件之前的赋能力变弱时,某些部分。
    • 2. 发明专利
    • Sheet processing device and image forming system
    • 表格处理设备和图像形成系统
    • JP2014144828A
    • 2014-08-14
    • JP2013012986
    • 2013-01-28
    • Ricoh Co Ltd株式会社リコー
    • SUGIYAMA KEISUKESHIN KISENKIKUCHI ATSUSHIHOSHINO TOMOMICHIHIDAKA MAKOTOSATO SHOICHISAITO SATOSHIWATANABE TAKAOSANO TAKUYA
    • B65H45/30B65H37/06B65H45/18
    • B65H45/04B31F1/00B31F1/0006B31F1/0012B31F1/0035B65H37/04B65H45/16B65H45/18B65H2301/51232B65H2701/13212B65H2801/27
    • PROBLEM TO BE SOLVED: To provide a sheet processing device which prevents operation that an operator manually moves a press-in member and re-folding means from becoming complicated and requiring working time; and to provide an image forming system.SOLUTION: A sheet processing device 2 includes: a press-in member 215 for pressing a bundle of sheets into a sheet folding part; first moving means moving the press-in member and having at least a first driving source; folding means 230 disposed in the sheet folding part and applying folding processing to the bundle of sheets pressed in the sheet folding part by the press-in member; re-folding means 260 disposed downstream of the folding means in the conveying direction of the bundle of sheets and re-folding a fold of the bundle of the sheets while moving in the sheet width direction; second moving means moving the re-folding means in the sheet width direction and having at least a second driving source; and single operation means 50 manually operated by an operator to move the press-in member and the re-folding means.
    • 要解决的问题:提供一种片材处理装置,其防止操作者手动地移动压入构件和折叠装置变得复杂和需要工作时间的操作; 并提供图像形成系统。解决方案:片材处理装置2包括:用于将片材束压入片材折叠部分的压入构件215; 第一移动装置移动压入构件并具有至少第一驱动源; 折叠装置230设置在片材折叠部分中,并且通过压入构件对被片材折叠部分压制的片材束进行折叠处理; 折叠装置260,其在纸张束的传送方向上设置在折叠装置的下游,并且在纸张宽度方向上移动时,重新折叠纸张束的折叠; 第二移动装置使折叠装置沿片材宽度方向移动并具有至少第二驱动源; 以及由操作者手动操作以移动压入构件和折叠装置的单个操作装置50。
    • 3. 发明专利
    • Optical scanning device, light intensity adjustment method thereof and program
    • 光学扫描装置及其强度调整方法及程序
    • JP2013147021A
    • 2013-08-01
    • JP2012271549
    • 2012-12-12
    • Ricoh Co Ltd株式会社リコー
    • WATANABE TAKAOKOBAYASHI SHINJIKYOGOKU HIROAKI
    • B41J2/44G02B26/10H04N1/113
    • H01L31/14G02B26/127
    • PROBLEM TO BE SOLVED: To improve accuracy of a light source of an optical scanning device.SOLUTION: An optical scanning device includes: a light intensity adjustment determining unit 35 that determines whether or not light intensity emitted from LD101a, 101b is adjusted based on the presence/absence of a predetermined image forming condition; a detected-light-intensity determining unit 36 that determines whether or not the light intensity of the LD101a, 101b detected by PD102 is at a predetermined light intensity; and a light intensity adjusting unit 37 that, when it is determined that the light intensity emitted from the LD101a, 101b needs to be adjusted by the light intensity adjustment determining unit 35, amplifies the light intensity emitted from the LD101a, 101b with an amplification rate based on the image forming condition and adjusts the light intensity emitted from the light source determined by the detected-light-intensity determining unit 36 to the predetermined light intensity.
    • 要解决的问题:提高光学扫描装置的光源的精度。解决方案:光学扫描装置包括:光强度调节确定单元35,其确定从LD101a,101b发射的光强度是否基于 存在/不存在预定图像形成条件; 判定由PD102检测出的LD101a,101b的光强度是否处于预定的光强度的检测光强度判定部36; 以及光强度调节单元37,当确定从LD101a,101b发出的光强度需要由光强度调节确定单元35调节时,放大从LD101a,101b发射的光强度,放大率 基于图像形成条件,将由检测光强度确定单元36确定的光源发射的光强度调整到预定光强度。
    • 4. 发明专利
    • Displacement correction method and color image forming apparatus
    • 位移校正方法和彩色图像形成装置
    • JP2007148296A
    • 2007-06-14
    • JP2005346258
    • 2005-11-30
    • Ricoh Co Ltd株式会社リコー
    • KAIMA NOBUKANEKOBAYASHI SHINJISHUKUTANI YUICHIROWATANABE TAKAOSHINOHARA MASASHIKAWAI YOSHIAKISATO KAZUYUKI
    • G03G15/01B41J2/44
    • PROBLEM TO BE SOLVED: To precisely correct a color shift without changing absolute magnification.
      SOLUTION: A toner (M) pattern is output to the negate of FGATE of the corresponding previous color. With timing (1) before the formation of the M pattern, the simple two-point-interval measurement correction values (PD values) of colors other than a reference color K are cleared to zero. Subsequently, the M pattern is formed, and detected by a sensor, not shown, with timing (2). Then, each color shift is corrected relative to the reference color. The magnifications for the colors other than K are corrected by a PLL. Next, with timing (3), two-point intervals are measured for the colors other than K. A reference count value is then obtained. With timing (4), the PD value of the simple two-point-interval measurement correction value of the reference color (K) is cleared to zero. Next, two-point simultaneous measurement is carried out and a magnification correction is made with PLL frequency for a reference value obtained at the time of shipment from a factory. Then, the subsequent printing is started.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:精确校正色移而不改变绝对倍率。

      解决方案:调色剂(M)图案被输出到对应的先前颜色的FGATE的否定。 在形成M图案之前的定时(1)中,将除了基准颜色K之外的颜色的简单的两点间隔测量校正值(PD值)清零。 随后,通过定时(2)形成M图案并由未示出的传感器检测。 然后,相对于参考颜色校正每个色移。 除了K之外的颜色的放大率由PLL校正。 接下来,利用定时(3),对于K以外的颜色测定两点间隔。然后获得基准计数值。 利用定时(4),将基准颜色(K)的简单两点间隔测量校正值的PD值清零。 接下来,进行两点同时测量,并且在从出厂时获得的参考值以PLL频率进行倍率校正。 然后,随后的打印开始。 版权所有(C)2007,JPO&INPIT

    • 5. 发明专利
    • Image forming apparatus, image forming method, image forming program and computer readable recording medium
    • 图像形成装置,图像形成方法,图像形成程序和计算机可读记录介质
    • JP2007124522A
    • 2007-05-17
    • JP2005316901
    • 2005-10-31
    • Ricoh Co Ltd株式会社リコー
    • WATANABE TAKAO
    • H04N1/00G03G15/00G03G15/36H04N1/407
    • PROBLEM TO BE SOLVED: To simplify work for selecting a γ correction table corresponding to an image to be formed when performing γ correction conversion upon image data. SOLUTION: In an image forming apparatus for forming the image of a document on recording paper using electronic photograph techniques, a digital copier 100 includes correction value storage sections 310, 311 for storing, respectively individually γ correction tables corresponding to the kinds of images to be formed on a photo conductor, a γ correction table corresponding to an image to be formed on the photo conductor, a γ correction table is selected from the γ correction tables stored in the correction value storage sections 310, 311, respective, and the selected γ correction table is used to perform γ correction conversion upon image data of the image to be formed on the photo conductor. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了简化在对图像数据进行γ校正转换时选择与要形成的图像相对应的γ校正表的工作。 解决方案:在用于使用电子照相技术在记录纸上形成文件图像的图像形成装置中,数字复印机100包括校正值存储部分310,311,用于分别存储对应于 在光导体上形成的图像,对应于要形成在光导体上的图像的γ校正表,γ校正表从存储在校正值存储部310,311中的γ校正表中选择,各自和 所选择的γ校正表用于对要在光导体上形成的图像的图像数据进行γ校正转换。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Image forming apparatus
    • JP2004326053A
    • 2004-11-18
    • JP2003142370
    • 2003-05-20
    • Ricoh Co Ltd株式会社リコー
    • WATANABE TAKAO
    • G03G21/00B65H7/06B65H11/00G03G15/00
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus where an alarm is given when the set size of a body to be transferred set by a body-to-be-transferred size setting means is different from the detected size of the body to be transferred detected by a body-to-be-transferred size detection means, so that the occurrence of an abnormal image is prevented, the toner consumption is reduced to realize resource economization, its maintenance period is prolonged and high-quality image formation is realized at a low cost. SOLUTION: The image forming apparatus is constituted of a regular size body-to-be-transferred feeding means 2 feeding the body to be transferred (P) to a toner image forming means 1, a manual body-to-be-transferred feeding means 3 different from the feeding means 2, the body-to-be-transferred size detection means 4 detecting the size of the body to be transferred (P) placed on the feeding means 3, the body-to-be-transferred size setting means 5 setting the size of the body-to-be-transferred (P) for the formed toner image, and a warning means 6 giving a warning when the set size set by the setting means 5 is different from the detected size detected by the detection means 4. COPYRIGHT: (C)2005,JPO&NCIPI
    • 8. 发明专利
    • シート処理装置、画像形成システム及びシート束の増し折り方法
    • 板材加工装置,图像形成系统及其附加折叠方法
    • JP2015036339A
    • 2015-02-23
    • JP2013168941
    • 2013-08-15
    • 株式会社リコーRicoh Co Ltd
    • SHIN KISENSUGIYAMA KEISUKEAKAI TAKESHIOKAMOTO IKUHISAYAMADA ATSUSHIWATANABE TAKAOTAKESUTE AKIHIRO
    • B65H45/30B65H45/18
    • 【課題】中綴じされたシート束の背を増し折りする際、シート束条件が異なるシート束に対しても生産性を落とすことなく、簡単な構成で十分な増し折り効果を得る。【解決手段】シート束SBを折る折りプレート215及び折りローラ対230と、折られたシート束SBの折り目部SB1を、シート束SBの厚み方向に押圧し、増し折りする押圧機構265と、押圧機構265をシート束SBの幅方向に往復移動させるユニット移動機構263と、を備えた中綴じ製本装置2において、押圧機構265による加圧力を当該押圧機構265の上側増し折りローラ261aの位置に応じて減圧する減圧ばね251を備えた。【選択図】図23
    • 要解决的问题:为了提供足够的附加的折叠效果,当已经被马鞍缝合的片材束的背面被额外地折叠时,以简单的构造提供足够的附加折叠效果,而不会降低生产率,即使不同的片材束条件的片材束。解决方案: 鞍形装订装置2包括用于折叠片材束SB的折叠板215和折叠辊对230,加压机构265,其在片材束SB的厚度方向上对折叠的片材束SB的折叠部分SB1加压 以及用于使加压机构265在片材束SB的宽度方向上往复运动的单元移动机构263。 设置有减压弹簧251,其根据加压机构265的上侧附加折返辊261a的位置对加压机构265进行按压力减压。