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    • 3. 发明公开
      EP2362631A2 Image scanning device capable of obtaining at high speed a scanned image of high quality and appropriate magnification, image scanning method, image formation apparatus, and recording medium 有权
    • Image scanning device capable of obtaining at high speed a scanned image of high quality and appropriate magnification, image scanning method, image formation apparatus, and recording medium
    • 为获得具有高的速度和高品质和适当的放大率，图像扫描方法，图像形成方法的扫描图像的图像扫描装置和记录介质
    • EP2362631A2
    • 2011-08-31
    • EP11155581.9
    • 2011-02-23
    • Konica Minolta Business Technologies, Inc.
    • Imaizumi, Shoji , Suzuki, Takayuki
    • H04N1/203 , H04N1/393 , H04N1/04
    • H04N1/203 , H04N1/0402 , H04N1/393
    • An image scanning device includes a first scanner (141) scanning a top side of a transported document at a first scanning position (L1) to obtain a first scanned image, a second scanner (129) scanning the back side of the transported document at a second scanning position (L2) to obtain a second scanned image, a document feeder (63-70, 161) transporting a document at the second scanning position at a speed differing from the transportation speed at the first scanning position, and a controller (20) controlling the image scanning device. The controller sets, as a scanning form of a document, either one-side scanning of scanning one side of a document through one transportation, or dual-side scanning of scanning both sides of a document through one transportation. The controller also obtains a set magnification. The controller determines the transportation speed by the document feeder such that, when one-side scanning is set, the scanning magnification in a first direction corresponding to the document transportation direction at the first scanned image attains the set magnification, and when dual-side scanning is set, the scanning magnification in the first direction at the second scanned image attains the set magnification.
    • 一种图像扫描装置包括：第一扫描仪（141）在第一扫描位置（L1）扫描被传送原稿的顶侧，以获得第一扫描图像;扫描被传送原稿的背面以第二扫描器（129） 第二扫描位置（L2），以获得第二扫描图像，送稿器（63-70，161）处的第一扫描位置从输送速度不同的速度的第二扫描位置输送的文档，以及控制器（20 ）控制图像扫描装置。 所述控制器设定的，如通过一个运输通过一个运输，或一个文件，扫描bothsides的双面扫描中扫描文档时，文档的扫描一侧中的任一个侧扫描的一种形式。 因此，控制器获得一组放大率。 控制器确定性地雷由文档进纸器寻求的是，搬送速度，当单面扫描被设置，在第一方向上对应于在第一扫描图像的原稿传送方向上的扫描倍率达到设置倍率，并且当双面扫描 被设置，在所述第二扫描图像的第一方向上的扫描倍率达到设置倍率。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 5. 发明公开
      EP1940142A3 Image forming apparatus capable of changing process line speed 有权
    • Image forming apparatus capable of changing process line speed
    • 有能力摄像装置，改变了他们的行处理速度
    • EP1940142A3
    • 2009-04-15
    • EP08153540.3
    • 1999-04-19
    • Ricoh Company, Ltd.
    • Fujimori, Kota , Maruta, Takayuki
    • H04N1/04 , H04N1/40
    • G03G15/5041 , G03G15/161 , G03G15/5037 , G03G2215/00042 , G03G2215/00054 , G03G2215/0177 , H04N1/0402 , H04N1/0414 , H04N1/0443 , H04N1/1135 , H04N1/12 , H04N1/295 , H04N1/40037 , H04N1/4005 , H04N1/4078
    • An image is generated by exposing the surface to a scanning laser beam in accordance with an image forming process. The intermediate image transfer member receives the image from the image carrying member and transfers it onto a recording sheet. The memory stores a plurality of values of process line speeds A for defining a speed of an image forming process in a sub-scanning direction, and a plurality of values of process line speeds B for defining a speed of the image transfer process. The controller makes a plurality of combinations of the process line speeds A and B by arbitrarily selecting one of the plurality of values of selectable process line speeds. According to another aspect, a voltage sensor detects a voltage of the photoconductor, a toner deposition sensor detects an amount of toner deposition on the photoconductor member, a charging member provides a charge onto the photoconductor, a grid adjusting member controls a grid voltage of the charging member, a laser exposure unit exposes the photoconductor to a laser beam, an exposure adjusting member adjusts an amount of a laser beam exposure, and a development gamma detect member detects a development gamma line by performing a sequential operation. A reference table includes information to determine appropriate voltage values of the photoconductor, a development bias and an after-exposure voltage of the photoconductor in accordance with the development gamma line obtained with the development gamma detect member. A controller detects the voltage of the photoconductor rotating in each of the process line speeds and determines optimum values of the grid voltage of the charging member and the amount of laser beam exposure from the laser exposure unit to obtain the respective required voltage level used by the grid adjusting member, and the after-exposure voltage used by the exposure adjusting member, on the basis of the detected voltage and with reference to the information included in the reference table.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明公开
      EP1903768A2 Image scanner and control method thereof 审中-公开
    • Image scanner and control method thereof
    • Bildabtaster和Steuerverfahrendafür
    • EP1903768A2
    • 2008-03-26
    • EP07117025.2
    • 2007-09-24
    • Canon Kabushiki Kaisha
    • Ishido, Katsuhiro
    • H04N1/04
    • H04N1/0402 , H04N1/00572 , H04N1/00588 , H04N1/00602 , H04N1/00612 , H04N1/00708 , H04N1/0405 , H04N1/203 , H04N1/2032 , H04N1/3248
    • An aspect of the invention provides an image scanner (100, 123) which can continuously transfer image data of one surface to an external device (image forming apparatus) without performing control such as interruption and resumption of an original scanning operation. The image scanner (100, 123) includes a size detection unit (501, 502) which detects an original size and a determination unit (501, 502) which determines whether or not the image data relating to an original of the size detected by the size detection unit (501, 502) can be stored in a storage unit (305). The image scanner (100, 123) also includes a control unit (320). The control unit (320) is configured to set operation in a first mode when the determination unit (501, 502) determines that image data relating to the original can be stored in the storage unit (305), and the control unit (320) is configured to set operation in a second mode when the determination unit (501, 502) determines that image data relating to the original cannot be stored in the storage unit (305).
    • 本发明的一个方面提供一种图像扫描器（100,123），其可以不执行例如中断和恢复原始扫描操作的控制，将一个表面的图像数据连续地传送到外部设备（图像形成装置）。 图像扫描器（100,123）包括检测原稿尺寸的尺寸检测单元（501,502）和确定单元（501,502），确定与由原稿尺寸检测的尺寸相关的原稿的图像数据 尺寸检测单元（501,502）可以存储在存储单元（305）中。 图像扫描器（100,123）还包括控制单元（320）。 控制单元（320）被配置为当确定单元（501,502）确定与原件相关的图像数据可以存储在存储单元（305）中时，以第一模式设置操作，并且控制单元（320） 被配置为当确定单元（501,502）确定与原件相关的图像数据不能存储在存储单元（305）中时，以第二模式设置操作。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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