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公开(公告)号：US20080069578A1
公开(公告)日：2008-03-20
申请号：US11850358
申请日：2007-09-05
IPC分类号： G03G15/00
摘要： A CMOS sensor scans an image that is either on a transfer material carrier or on a transfer material that is placed on the transfer material carrier. A sampling timing controller samples an image signal at a predetermined sampling rate and computes a position of a predetermined pattern contained within the sampled image signal. A speed computation processor computes a moving speed of either the transfer material carrier or the transfer material, based on the position of the predetermined pattern thus sampled at the predetermined sampling rate and computed, as well as the predetermined sampling rate. The image region that the CMOS sensor scans is determined in accordance with the rotational speed of the drive motor and the sampling rate.
摘要翻译： CMOS传感器扫描在转印材料载体上或放置在转印材料载体上的转印材料上的图像。 采样定时控制器以预定采样率对图像信号进行采样，并计算采样图像信号中包含的预定模式的位置。 速度计算处理器基于以预定采样率进行采样的预定模式的位置以及预定采样率来计算转移材料载体或转印材料的移动速度。 CMOS传感器扫描的图像区域根据驱动电机的转速和采样率来确定。
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公开(公告)号：US07796928B2
公开(公告)日：2010-09-14
申请号：US11692994
申请日：2007-03-29
IPC分类号： G03G15/01
CPC分类号： G03G15/0131 , G03G15/161 , G03G2215/00156 , G03G2215/0016 , G03G2215/0119 , G03G2215/0129 , G03G2215/0141 , G03G2215/0158
摘要： An image forming apparatus which can reduce color shift and image blurring caused by increased temperature in the apparatus and form high-quality images without causing an increase in the cost and size of the apparatus. An image sensor unit reads surface patterns of an intermediate transfer belt. A digital signal processor (DSP) controls the movement of the belt in a transverse direction perpendicular to a moving direction thereof based on the surface patterns of the belt read by the image sensor unit.
摘要翻译： 一种图像形成装置，其能够降低由装置中的温度升高引起的色偏和图像模糊，并且形成高质量图像，而不会导致装置的成本和尺寸的增加。 图像传感器单元读取中间转印带的表面图案。 数字信号处理器（DSP）基于由图像传感器单元读取的带的表面图案来控制带在垂直于其移动方向的横向方向上的移动。
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公开(公告)号：US07643783B2
公开(公告)日：2010-01-05
申请号：US11850358
申请日：2007-09-05
IPC分类号： G03G15/00
摘要： A CMOS sensor scans an image that is either on a transfer material carrier or on a transfer material that is placed on the transfer material carrier. A sampling timing controller samples an image signal at a predetermined sampling rate and computes a position of a predetermined pattern contained within the sampled image signal. A speed computation processor computes a moving speed of either the transfer material carrier or the transfer material, based on the position of the predetermined pattern thus sampled at the predetermined sampling rate and computed, as well as the predetermined sampling rate. The image region that the CMOS sensor scans is determined in accordance with the rotational speed of the drive motor and the sampling rate.
摘要翻译： CMOS传感器扫描在转印材料载体上或放置在转印材料载体上的转印材料上的图像。 采样定时控制器以预定采样率对图像信号进行采样，并计算采样图像信号中包含的预定模式的位置。 速度计算处理器基于以预定采样率进行采样的预定模式的位置以及预定采样率来计算转移材料载体或转印材料的移动速度。 CMOS传感器扫描的图像区域根据驱动电机的转速和采样率来确定。
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公开(公告)号：US20070025751A1
公开(公告)日：2007-02-01
申请号：US11460082
申请日：2006-07-26
IPC分类号： G03G15/20
CPC分类号： G03G15/70 , G03G15/6573 , G03G2215/00552 , G03G2215/00666
摘要： A fixing apparatus comprises: a fixing rotary body; a rotary body provided with an interval from the fixing rotary body; an endless belt rotating in a condition in which it is wound around the fixing rotary body and the rotary body; a pressure rotary body which makes a pressure contact with the fixing roller across the endless belt; a heater for heating a recording material conveyed by the endless belt; a cooling unit for cooling a recording material conveyed by the endless belt and heated by the heater; and an error detecting means for detecting an error in conveyance of the recording material. When an error is detected in the downstream of the cooling unit by the error detecting means, the recording material is stopped after the recording material on the endless belt is conveyed to a position in which the cooling unit cools the recording material
摘要翻译： 定影装置包括：固定旋转体; 旋转体，其设置有从固定旋转体的间隔; 环状带，其在缠绕在固定旋转体和旋转体上的状态下旋转; 压力旋转体，其与定影辊压力接触环形带; 用于加热由环形带传送的记录材料的加热器; 用于冷却由环形带输送并被加热器加热的记录材料的冷却单元; 以及用于检测记录材料的传送错误的错误检测装置。 当通过误差检测装置在冷却单元的下游检测到错误时，在循环带上的记录材料被输送到冷却单元冷却记录材料的位置之后停止记录材料
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公开(公告)号：US20090033029A1
公开(公告)日：2009-02-05
申请号：US12060389
申请日：2008-04-01
CPC分类号： B65H9/002 , B65H2301/3613 , B65H2404/1424 , B65H2511/20 , B65H2511/222 , B65H2801/06 , B65H2220/01 , B65H2220/02
摘要： A sheet conveying device for conveying a sheet includes a displacement-amount detector configured to detect an amount of displacement of a conveyed sheet from a conveyance reference in a width direction being substantially perpendicular to a sheet conveying direction and a plurality of sheet conveying roller portions configured to be shiftable in a direction substantially perpendicular to the sheet conveying direction while pinching the sheet having the amount of displacement detected by the displacement-amount detector. Before the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted based on the amount of displacement detected by the displacement-amount detector from a conveyance-reference position in a direction in which the sheet is displaced. After the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted while pinching the sheet so as to reduce the amount of displacement.
摘要翻译： 用于输送片材的片材输送装置包括：位移量检测器，被配置为检测输送的纸张从与纸张输送方向大致垂直的宽度方向上的输送基准的位移量，以及多个纸张输送辊部分的配置 可以在基本上垂直于纸张输送方向的方向上移动，同时夹持具有由位移量检测器检测到的位移量的纸张。 在片材到达片材输送辊部分之前，片材输送辊部分基于从位移量检测器检测到的位移量沿片材移位方向上的输送基准位置移动。 在片材到达片材输送辊部分之后，片材输送辊部分在夹持片材的同时移动，以减少位移量。
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公开(公告)号：US20070059057A1
公开(公告)日：2007-03-15
申请号：US11531034
申请日：2006-09-12
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/6555 , G03G2215/00434 , G03G2215/00924 , G03G2215/2006
摘要： When an abnormality factor occurs in a second heating device, a sheet located upstream of a branch portion is discharged onto a discharge tray through a second conveying path. After the abnormality factor in the second heating device is removed and the sheet discharged to the discharge tray through the second conveying path is set in a paper refeeding tray, a sheet feeding portion feeds the sheet set in the paper refeeding tray to the second heating device.
摘要翻译： 当在第二加热装置中出现异常因素时，位于分支部分上游的片材通过第二输送路径排出到排出托盘上。 在去除第二加热装置中的异常因子并且通过第二输送路径排出到排出托盘的片材被设置在再生纸盘中之后，片材进给部分将设置在再生纸盘中的片材供给到第二加热装置 。
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公开(公告)号：US07437085B2
公开(公告)日：2008-10-14
申请号：US11460082
申请日：2006-07-26
IPC分类号： G03G15/20
CPC分类号： G03G15/70 , G03G15/6573 , G03G2215/00552 , G03G2215/00666
摘要： A fixing apparatus includes a fixing rotary body; a rotary body provided with an interval from the fixing rotary body; an endless belt rotating in a condition in which it is wound around the fixing rotary body and the rotary body; a pressure rotary body which makes a pressure contact with the fixing roller across the endless belt; a heater for heating a recording material conveyed by the endless belt; a cooling unit for cooling a recording material conveyed by the endless belt and heated by the heater; and an error detecting member for detecting an error in conveyance of the recording material. When an error is detected in the downstream of the cooling unit by the error detecting member, the recording material is stopped after the recording material on the endless belt is conveyed to a position in which the cooling unit cools the recording material.
摘要翻译： 定影装置包括固定旋转体; 旋转体，其设置有从固定旋转体的间隔; 环状带，其在缠绕在固定旋转体和旋转体上的状态下旋转; 压力旋转体，其与定影辊压力接触环形带; 用于加热由环形带传送的记录材料的加热器; 用于冷却由环形带输送并被加热器加热的记录材料的冷却单元; 以及用于检测记录材料的输送错误的误差检测部件。 当通过误差检测部件在冷却单元的下游检测到错误时，在环形带上的记录材料被输送到冷却单元冷却记录材料的位置之后停止记录材料。
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公开(公告)号：US07677558B2
公开(公告)日：2010-03-16
申请号：US12060389
申请日：2008-04-01
IPC分类号： B65H7/02
CPC分类号： B65H9/002 , B65H2301/3613 , B65H2404/1424 , B65H2511/20 , B65H2511/222 , B65H2801/06 , B65H2220/01 , B65H2220/02
摘要： A sheet conveying device for conveying a sheet includes a displacement-amount detector configured to detect an amount of displacement of a conveyed sheet from a conveyance reference in a width direction being substantially perpendicular to a sheet conveying direction and a plurality of sheet conveying roller portions configured to be shiftable in a direction substantially perpendicular to the sheet conveying direction while pinching the sheet having the amount of displacement detected by the displacement-amount detector. Before the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted based on the amount of displacement detected by the displacement-amount detector from a conveyance-reference position in a direction in which the sheet is displaced. After the sheet reaches the sheet conveying roller portions, the sheet conveying roller portions are shifted while pinching the sheet so as to reduce the amount of displacement.
摘要翻译： 用于输送片材的片材输送装置包括：位移量检测器，被配置为检测输送的纸张从与纸张输送方向大致垂直的宽度方向上的输送基准的位移量，以及多个纸张输送辊部分的配置 可以在基本上垂直于纸张输送方向的方向上移动，同时夹持具有由位移量检测器检测到的位移量的纸张。 在片材到达片材输送辊部分之前，片材输送辊部分基于从位移量检测器检测到的位移量沿片材移位方向上的输送基准位置移动。 在片材到达片材输送辊部分之后，片材输送辊部分在夹持片材的同时移动，以减少位移量。
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公开(公告)号：US07609983B2
公开(公告)日：2009-10-27
申请号：US11531034
申请日：2006-09-12
CPC分类号： G03G15/2064 , G03G15/6555 , G03G2215/00434 , G03G2215/00924 , G03G2215/2006
摘要： When an abnormality factor occurs in a second heating device, a sheet located upstream of a branch portion is discharged onto a discharge tray through a second conveying path. After the abnormality factor in the second heating device is removed and the sheet discharged to the discharge tray through the second conveying path is set in a paper refeeding tray, a sheet feeding portion feeds the sheet set in the paper refeeding tray to the second heating device.
摘要翻译： 当在第二加热装置中出现异常因素时，位于分支部分上游的片材通过第二输送路径排出到排出托盘上。 在去除第二加热装置中的异常因子并且通过第二输送路径排出到排出托盘的片材被设置在再生纸盘中之后，片材进给部分将设置在再生纸盘中的片材供给到第二加热装置 。
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10.发明授权Image forming apparatus with intermediate transfer belt speed detection unit 失效具有中间转印带速度检测单元的图像形成装置公开(公告)号：US08064809B2
公开(公告)日：2011-11-22
申请号：US12182919
申请日：2008-07-30
CPC分类号： G03G15/0131 , G03G15/1615 , G03G15/5054 , G03G15/5058 , G03G2215/00059 , G03G2215/0161
摘要： An image forming apparatus includes an endless belt type transfer member configured to carry an image formed with developer of a plurality of colors, a drive roller configured to drive the transfer member by rotating while contacting the transfer member, a first detection unit configured to detect a mark provided on the transfer member, a second detection unit configured to detect the mark at a position different from the position of the first detection unit in a conveyance direction of the transfer member, and a correction unit configured to correct a conveyance speed of the transfer member using a difference between respective times at which the first and second detection units detect the mark. The first and second detection units are located such that an interval between respective positions at which the first and second detection units detect the mark is an integral multiple of a perimeter of the drive roller.
摘要翻译： 图像形成装置包括：环形带传送部件，被配置为承载形成有多种颜色的显影剂的图像;驱动辊，构造成通过在接触传送部件的同时旋转来驱动传送部件;第一检测单元， 设置在传送构件的传送方向上的第二检测单元，被配置为在传送构件的传送方向上检测与第一检测单元的位置不同的位置处的标记的第二检测单元，以及校正单元，其被配置为校正传送构件的传送速度 使用第一和第二检测单元检测到标记的各个时间之间的差异。 第一和第二检测单元被定位成使得第一和第二检测单元检测到标记的各个位置之间的间隔是驱动辊的周长的整数倍。
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