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1. 发明专利

JP3720725B2 Image forming apparatus 有权
公开(公告)号：JP3720725B2
公开(公告)日：2005-11-30
申请号：JP2001117903
申请日：2001-04-17
申请人：キヤノン株式会社
发明人：秀彦木下
IPC分类号： G03G15/00 , G03G15/20 , G03G21/00 , G03G21/14 , G03G21/20
CPC分类号： G03G15/6508 , G03G15/2042 , G03G15/6594 , G03G2215/00514 , G03G2215/0059 , G03G2215/00696 , G03G2215/00734

2. 发明专利

JP2017105572A 画像形成装置、画像形成システムおよび歪み矯正方法审中-公开
公开(公告)号：JP2017105572A
公开(公告)日：2017-06-15
申请号：JP2015239535
申请日：2015-12-08
申请人：コニカミノルタ株式会社
发明人：桜井翔太 , 森本浩史 , 渡辺渉 , 石塚一輝 , 古田達也
IPC分类号： G03G21/00 , B65H43/04 , G03G15/00 , B65H7/20 , B65H23/34
CPC分类号： G03G15/1605 , G03G15/1695 , G03G15/652 , G03G15/6579 , B65H1/00 , G03G21/203 , G03G2215/00578 , G03G2215/0059 , G03G2215/00662 , G03G2215/0067 , G03G2215/00738
摘要：【課題】記録媒体を巻き戻して再送した際に記録媒体に皺が発生するのを抑制することが可能な画像形成装置、画像形成システムおよび歪み矯正方法を提供する。【解決手段】画像形成装置は、画像形成時における第1搬送方向とは逆方向の第2搬送方向に記録媒体を搬送する搬送部と、第1搬送方向における転写ニップの上流側に配置され、記録媒体が搬送部により第2搬送方向に搬送された際に、記録媒体が定着ニップを通過した際に生じた記録媒体の歪みを矯正する歪み矯正部と、を備える。【選択図】図2

3. 发明专利

JP2010210652A Image forming apparatus and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2010210652A
公开(公告)日：2010-09-24
申请号：JP2009053300
申请日：2009-03-06
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： KUROSE KOICHI , IKUMA TAKESHI
IPC分类号： G03G15/00 , B41J5/30 , B41J21/16 , B41J29/38 , G03G21/14
CPC分类号： G03G15/5062 , G03G15/0131 , G03G15/2028 , G03G15/234 , G03G2215/0059 , G03G2215/00734
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus configured to align both sides of a recording material when printing is carried out on bothe sides of the recording material, and to provide an image forming method. SOLUTION: The image forming apparatus comprises: a line head with light emission elements arranged in a first direction; a latent image carrier; a transferring section that transfers a latent image onto a recording medium; a fixing section that performs thermal fixing on the recording medium with the latent image transferred thereon; a storing section 12g that stores information on change in size of the thermally fixed recording medium; a screening section for screening image data on the basis of the information stored in the storing section; and an image position correcting section 12d for correcting the position of the screened data. When printing is carried out on the second side of paper, information detected by a detecting section 39 for a printing reference position (mark) formed on the paper is used for size correction and image data position correction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其被配置为当在记录材料的两侧进行打印时对准记录材料的两侧，并提供图像形成方法。解决方案：图像形成装置包括：具有沿第一方向布置的发光元件的行头; 潜像载体; 将潜像传送到记录介质上的传送部分; 固定部分，其在转印有潜像的情况下对记录介质进行热定影; 存储关于热固定记录介质尺寸变化的信息的存储部分12g; 筛选部分，用于根据存储在存储部分中的信息来筛选图像数据; 以及用于校正被筛选数据的位置的图像位置校正部分12d。当在纸张的第二面进行打印时，由形成在纸张上的打印基准位置（标记）的检测部分39检测到的信息用于尺寸校正和图像数据位置校正。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP5317439B2 Image forming apparatus 有权
公开(公告)号：JP5317439B2
公开(公告)日：2013-10-16
申请号：JP2007180974
申请日：2007-07-10
申请人：キヤノン株式会社
发明人：後藤　　達也
IPC分类号： G03G15/16 , G03G15/20
CPC分类号： G03G15/161 , G03G15/50 , G03G2215/0059 , G03G2215/1695
摘要： An image forming apparatus includes a light source unit, an image carrier on which a latent image is formed by a light beam emitted from a light source, a developing unit configured to develop a latent image formed on the image carrier using a toner, an intermediate transfer unit on which a toner image developed by the developing unit is transferred, a heating unit configured to heat the intermediate transfer unit on which a toner image is transferred, a fixing unit configured to fix the toner image heated by the heating unit on a recording medium, a temperature detection unit configured to detect temperature of the intermediate transfer unit, and a control unit configured to control a magnification of a latent image to be formed on the image carrier according to a detection result of the temperature detection unit.

5. 发明专利

JP2010008516A Image forming apparatus, image forming system, and image processing method 有权
标题翻译：图像形成装置，图像形成系统和图像处理方法
公开(公告)号：JP2010008516A
公开(公告)日：2010-01-14
申请号：JP2008165079
申请日：2008-06-24
申请人： Canon Inc , キヤノン株式会社
发明人： IKEDA ATSUSHI
IPC分类号： G03G21/14
CPC分类号： G03G15/5029 , G03G2215/0059 , G03G2215/00599
摘要： PROBLEM TO BE SOLVED: To solve such a problem that a correction of a deviation in the sub-scanning direction of a scan line accompanied by a correction of a main scan positional deviation of each sheet feeding port is insufficient. SOLUTION: The positional deviation in the sub-scanning direction of an image to be printed is corrected by using a correction amount regarding the main scan positional deviation which is decided on the basis of an adjustment value of a print position of the sheet feeding port and information of the positional deviation in the sub-scanning direction of an image forming apparatus. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了解决伴随着每个供纸口的主扫描位置偏差的校正的扫描线的副扫描方向的偏差的校正不足的问题。解决方案：通过使用关于主扫描位置偏差的校正量，基于片材的打印位置的调整值确定来校正要打印的图像的副扫描方向上的位置偏差进给端口和图像形成装置的副扫描方向上的位置偏差的信息。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2006091186A Printer 审中-公开
标题翻译：打印机
公开(公告)号：JP2006091186A
公开(公告)日：2006-04-06
申请号：JP2004274207
申请日：2004-09-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KOBAYASHI KENICHI , TAGAWA KOZO
IPC分类号： G03G21/16 , G01B21/32 , G03G15/00 , G03G15/01 , G03G21/14
CPC分类号： G03G15/0131 , G03G15/0194 , G03G15/652 , G03G2215/00455 , G03G2215/0059 , G03G2215/0119 , G03G2215/0158
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic printer equipped with a plurality of photosensitive drums, the printer being capable of preventing toner images to be laid on top of each other on a continuous form from shifting in position in the electrophotographic printer. SOLUTION: Disclosed is the electrophotographic printer equipped with a paper feed means of conveying the continuous form in a fixed direction and the plurality of photosensitive drums which are arranged at the same intervals in the conveyance direction of the form downstream of the paper feeding means, the printer being characterized in that the driven roller, having the largest lap angle to the continuous form among one or more driven rollers driven, while being wound with the continuous form between the paper feeding means and the photoreceptor drums has a peripheral length which is equal to the interval of the photosensitive drums or an integral submultiples of the interval. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供配备有多个感光鼓的电子照相打印机，打印机能够防止调色剂图像以电子照相打印机中的位置从连续的形式放置在彼此的顶部。解决方案：公开了一种电子照相打印机，其配备有沿固定方向传送连续形式的送纸装置和沿纸张进给下游形式的输送方向以相同间隔布置的多个感光鼓意味着打印机的特征在于，在被驱动的一个或多个从动辊中具有连续形式的最大搭接角度的从动辊在进纸装置和感光鼓之间被连续地卷绕时具有周长长度，等于感光鼓的间隔或间隔的整数倍数。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2013060300A Sheet conveying apparatus and image forming apparatus 审中-公开
标题翻译：输送装置和图像形成装置
公开(公告)号：JP2013060300A
公开(公告)日：2013-04-04
申请号：JP2012123112
申请日：2012-05-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UEDA NAOTO , NAGURA MAKOTO , TAKAI SHINGO , KUDO KOICHI , UEDA SATOSHI , KOBASHI RYO
IPC分类号： B65H7/02
CPC分类号： B65H7/06 , B65H5/062 , B65H5/068 , B65H7/14 , B65H9/002 , B65H9/20 , B65H85/00 , B65H2511/11 , B65H2511/172 , B65H2511/414 , B65H2553/51 , B65H2553/81 , B65H2553/82 , B65H2701/1311 , B65H2701/1313 , G03G15/231 , G03G15/5029 , G03G15/6561 , G03G15/6567 , G03G2215/00586 , G03G2215/0059 , G03G2215/00734 , B65H2220/03 , B65H2220/01 , B65H2220/02
摘要： PROBLEM TO BE SOLVED: To provide a sheet conveying apparatus capable of reducing the measurement error of a sheet conveyed distance resulting from the decentering of a rotating body for measuring a sheet conveyed amount.SOLUTION: The sheet conveying apparatus includes a drive roller 14 and a driven roller 13 for conveying a sheet S, an upstream detection means 12 for detecting the sheet on the upstream side of the drive roller and the driven roller, a downstream detection means 11 for detecting the sheet on the downstream side of the drive roller and the driven roller, a conveyed amount measuring means for measuring the amount of the sheet conveyed by the drive roller or the driven roller, and a conveyed distance calculation means for calculating the distance of the sheet conveyed by the drive roller and the driven roller based on results of the detection by the upstream detection means and the downstream detection means and results of the measurement by the conveyed amount measuring means. A sheet conveyed length by which the sheet is conveyed by the drive roller and the driven roller by a time when the sheet is detected by the upstream detection means after the sheet is detected by the upstream detection means is a substantially integer multiple of the perimeter of the drive roller or the driven roller.
摘要翻译：解决的问题：提供一种片材输送装置，其能够减少由用于测量片材输送量的旋转体的偏心造成的片材输送距离的测量误差。解决方案：片材输送装置包括用于输送片材S的驱动辊14和从动辊13，用于检测驱动辊和从动辊的上游侧的片材的上游检测装置12，下游检测用于检测驱动辊和从动辊的下游侧的纸张的装置11，用于测量由驱动辊或从动辊输送的纸张的数量的输送量测量装置，以及用于计算驱动辊和从动辊的输送量计算装置基于由上游检测装置和下游检测装置的检测结果以及由输送量测量装置测量的结果，由驱动辊和从动辊传送的纸张的距离。在由上游检测装置检测到纸张之后，当纸张被上游检测装置检测到的时间时，通过驱动辊和从动辊传送纸张的纸张输送长度是周边的大致整数倍驱动辊或从动辊。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP5144150B2 Sensor device and detection method to detect the curl of the sheet leading edge 有权
公开(公告)号：JP5144150B2
公开(公告)日：2013-02-13
申请号：JP2007186720
申请日：2007-07-18
申请人：ゼロックスコーポレイションXerox Corporation
发明人：アールオスマンケネス , ジェイウォレススタンレー , ディーボルトンマイケル
IPC分类号： B65H7/06 , G01B11/24
CPC分类号： G01B11/16 , B41J11/0095 , B65H7/14 , B65H2220/09 , B65H2511/17 , B65H2511/514 , B65H2513/511 , B65H2553/412 , B65H2701/1311 , G03G15/6561 , G03G2215/00561 , G03G2215/00586 , G03G2215/0059 , G03G2215/00721 , G03G2215/0158 , B65H2220/03 , B65H2220/01
摘要： A lead edge sheet curl sensor apparatus and method are disclosed. In general, a first and a second light emitter are aligned wherein the light beams from the first light emitter and second light emitter cross. The first and second light emitter beams cross at the transport media sheet substrate path wherein the transport media sheet substrate path is the path of a media sheet substrate with zero curl. First and second light detectors are aligned to receive the light beams from the first and second light emitters. A media sheet substrate with either positive or negative curl on the lead edge of the sheet substrate interrupts light beams from first and second light emitters, as detected at first and second light detectors. The time delay between the light beam interruptions is proportional to the sheet substrate curl, and the order of interruptions indicates whether the sheet substrate curl is positive or negative.

9. 发明专利

JP4678292B2 Image forming apparatus 有权
公开(公告)号：JP4678292B2
公开(公告)日：2011-04-27
申请号：JP2005347503
申请日：2005-12-01
申请人：コニカミノルタビジネステクノロジーズ株式会社
发明人：和俊吉村 , 智志坂田 , 健二山元 , 一道山内 , 晃岡本
IPC分类号： B65H9/14 , G03G15/00 , G03G21/00 , G03G21/14
CPC分类号： G03G15/234 , G03G15/235 , G03G15/6567 , G03G2215/00438 , G03G2215/00561 , G03G2215/00586 , G03G2215/0059 , G03G2215/00751

10. 发明专利

JP2009020173A Image forming apparatus and method 有权
标题翻译：图像形成装置和方法
公开(公告)号：JP2009020173A
公开(公告)日：2009-01-29
申请号：JP2007180974
申请日：2007-07-10
申请人： Canon Inc , キヤノン株式会社
发明人： GOTO TATSUYA
IPC分类号： G03G15/16 , G03G15/20
CPC分类号： G03G15/161 , G03G15/50 , G03G2215/0059 , G03G2215/1695
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of providing stable output images by preventing deviation in the image magnification of a sheet even if there is temperature unevenness in a transfer/fixing part. SOLUTION: This image forming apparatus detects a deviation in the magnification of a toner image of an intermediate transfer body (a step S52), calculates a correction amount of the image magnification based on detected information (a step S53-a step S55), and corrects the magnification deviation of the toner image of the intermediate transfer body based on the calculated correction amount (a step S56). COPYRIGHT: (C)2009,JPO&INPIT

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