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公开(公告)号：US20160057294A1
公开(公告)日：2016-02-25
申请号：US14781015
申请日：2014-10-30
发明人： Yuya Kobayashi
CPC分类号： H04N1/0071 , G03B27/50 , G03B27/62 , H04N1/00551 , H04N1/00708 , H04N1/0074 , H04N1/0075 , H04N1/00753 , H04N1/00766 , H04N1/04 , H04N1/10 , H04N1/1017 , H04N1/1039 , H04N1/1061 , H04N2201/0094
摘要： An image forming apparatus that includes: an image reading portion capable of reading image data of the document sheet; document sheet detection sensors; an ADF including a document holding surface on which first and second areas having different reflection characteristics and third and fourth areas having different reflection characteristics are formed; a first reading control portion that causes the image reading portion to read image data of both the first and second areas when the ADF is closed; a first document sheet width detection portion that detects a width of the document sheet based on the image data read from the first area or the image data read from the second area; and a first size detection portion capable of detecting the size of the document sheet based on detection results from the first document sheet width detection portion and the document sheet detection sensors.
摘要翻译： 一种图像形成装置，包括：图像读取部，能够读取原稿的图像数据; 文件检测传感器; ADF，其包括形成具有不同反射特性的第一和第二区域的文档保持表面和形成具有不同反射特性的第三和第四区域; 第一读取控制部分，当ADF关闭时，使得图像读取部分读取第一和第二区域的图像数据; 基于从第一区域读取的图像数据或从第二区域读取的图像数据来检测文档片材的宽度的第一文档片材宽度检测部分; 以及第一尺寸检测部，其能够根据来自第一原稿张宽度检测部和文件片检测传感器的检测结果检测文件片的尺寸。
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公开(公告)号：US10324410B2
公开(公告)日：2019-06-18
申请号：US15497996
申请日：2017-04-26
摘要： An image forming apparatus includes a registration unit, a first paper feeding unit, a second paper feeding unit, and a control unit, which performs a primary paper feeding for conveying a paper sheet to a registration position, finishes the primary paper feeding at timing when the paper sheet reaches the registration position, and then after operating a target paper feeding unit until a preceding feeding time elapses, performs a secondary paper feeding for conveying the paper sheet to the printing position. The control unit sets different values of the preceding feeding time for the case where the first paper feeding unit is the target paper feeding unit and the case where the second paper feeding unit is the target paper feeding unit.
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公开(公告)号：US09432538B2
公开(公告)日：2016-08-30
申请号：US14781015
申请日：2014-10-30
发明人： Yuya Kobayashi
CPC分类号： H04N1/0071 , G03B27/50 , G03B27/62 , H04N1/00551 , H04N1/00708 , H04N1/0074 , H04N1/0075 , H04N1/00753 , H04N1/00766 , H04N1/04 , H04N1/10 , H04N1/1017 , H04N1/1039 , H04N1/1061 , H04N2201/0094
摘要： An image forming apparatus that includes: an image reading portion capable of reading image data of the document sheet; document sheet detection sensors; an ADF including a document holding surface on which first and second areas having different reflection characteristics and third and fourth areas having different reflection characteristics are formed; a first reading control portion that causes the image reading portion to read image data of both the first and second areas when the ADF is closed; a first document sheet width detection portion that detects a width of the document sheet based on the image data read from the first area or the image data read from the second area; and a first size detection portion capable of detecting the size of the document sheet based on detection results from the first document sheet width detection portion and the document sheet detection sensors.
摘要翻译： 一种图像形成装置，包括：图像读取部，能够读取原稿的图像数据; 文件检测传感器; ADF，其包括形成具有不同反射特性的第一和第二区域的文档保持表面和形成具有不同反射特性的第三和第四区域; 第一读取控制部分，当ADF关闭时，使得图像读取部分读取第一和第二区域的图像数据; 基于从第一区域读取的图像数据或从第二区域读取的图像数据来检测文档片材的宽度的第一文档片材宽度检测部分; 以及第一尺寸检测部，其能够根据来自第一文件张宽度检测部和文件片检测传感器的检测结果来检测文件片的尺寸。
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公开(公告)号：US11531289B2
公开(公告)日：2022-12-20
申请号：US17501939
申请日：2021-10-14
发明人： Yuya Kobayashi
摘要： An image forming apparatus includes an accommodating portion, a motor, and a development sensor. In the accommodating portion, a replacement developing component is fitted. The replacement developing component is fitted with a rotary member including an operating member, and stores toner. The motor rotates the rotary member on the replacement developing component fitted in the accommodating portion. When a new replacement developing component is fitted, the development sensor is not in contact with the operating member before the motor rotates the rotary member and is in contact with the operating member on the rotary member that has moved as the motor rotates. The development sensor outputs a first level when in contact with the operating member and outputs a second level when not in contact with the operating member.
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公开(公告)号：US11368591B2
公开(公告)日：2022-06-21
申请号：US17216750
申请日：2021-03-30
发明人： Yuya Kobayashi
IPC分类号： H04N1/00
摘要： A drive motor drives conveyance rollers. A controller generates a control signal to control the drive motor based on information indicating a rotational speed of the drive motor. The controller generates an initial control signal to drive the conveyance rollers since before conveyance of a sheet by the conveyance rollers and acquires a characteristic value of the initial control signal as a reference value. While the conveyance rollers are conveying the sheet, the controller performs determination processing to determine whether or not to stop the drive motor driving the conveyance rollers based on the characteristic value of the control signal and the reference value.
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公开(公告)号：US09193548B2
公开(公告)日：2015-11-24
申请号：US14494004
申请日：2014-09-23
CPC分类号： B65H7/06 , B65H1/14 , B65H3/06 , B65H3/0669 , B65H3/0684 , B65H7/14 , B65H2511/152 , B65H2511/52 , B65H2513/511 , B65H2601/121 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： The pickup roller is placed above a lifting plate made of a flexible material and feeds the sheet with abutting on an upper surface of the sheets loaded on the lifting plate. The sensor detects an arrival of the sheet fed by the pickup roller on a downstream side of the pickup roller. The abnormality detection unit detects the sheet feeding abnormality of the sheet fed by the pickup roller based on the drive start time of the pickup roller and the time sheet detection by the sensor. The abnormality detecting condition correction unit corrects the abnormality detecting condition of the abnormality detection unit depending on the amount of sheets on the lifting plate.
摘要翻译： 拾取辊被放置在由柔性材料制成的提升板的上方，并将片材抵靠在装载在提升板上的片材的上表面上。 传感器检测由拾取辊馈送的片材到达拾取辊的下游侧。 异常检测单元基于拾取辊的驱动开始时间和传感器的时间表检测来检测由拾取辊馈送的纸张的进纸异常。 异常检测条件校正单元根据提升板上的片材数量来校正异常检测单元的异常检测条件。
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