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    • 21. 发明授权
    • Image reading apparatus
    • 图像读取装置
    • US06972876B2
    • 2005-12-06
    • US09964577
    • 2001-09-28
    • Atsushi Yokochi
    • Atsushi Yokochi
    • H04N1/04H04N1/047H04N1/10H04N1/107H04N1/21H04N1/36G05B19/40H02P8/00
    • H04N1/047H04N2201/03108H04N2201/04725H04N2201/04731H04N2201/04734H04N2201/04756H04N2201/04786H04N2201/04791
    • The invention provides an image reading apparatus that produces a precise image of an original document to prevent the read image from having distortion or irregular density, by driving a DC motor, which drives an image reading unit in a scanning direction, at a constant speed suitable for a document to be read. In addition, the image reading apparatus prevents position errors or misalignment at the start of the image reading, or at a restart of the image reading after the image reading is paused. A speed control circuit provides feedback to a DC motor to synchronize a time interval detected by a pulse interval detecting circuit with a time interval set by an interval setting register, so that the DC motor is operated at a constant speed. A counter counts the number of signals output from an encoder. After the speed of the DC motor is stabilized, a timing of signals output from a CCD drive unit to the image reading unit is synchronized with a timing of the signals generated by the encoder. As a count in the counter reaches a predetermined number, an actual image reading is started. Thus, the position errors or misalignment are prevented in the produced image.
    • 本发明提供了一种图像读取装置,通过以恒定的速度驱动沿扫描方向驱动图像读取单元的DC马达,产生原始文件的精确图像以防止读取图像具有失真或不规则的浓度 要阅读的文件。 此外,图像读取装置防止在图像读取开始时的位置错误或未对准,或者在图像读取暂停之后重新启动图像读取。 速度控制电路向DC电动机提供反馈以使由脉冲间隔检测电路检测的时间间隔与由间隔设置寄存器设置的时间间隔同步,使得DC电动机以恒定速度运行。 计数器对从编码器输出的信号数进行计数。 在DC电机的速度稳定后,从CCD驱动单元输出到图像读取单元的信号的定时与由编码器产生的信号的定时同步。 当计数器中的计数达到预定数量时,开始实际的图像读取。 因此,在产生的图像中防止位置误差或未对准。
    • 23. 发明授权
    • Image reading apparatus and image-forming apparatus incorporating the image-reading apparatus
    • 图像读取装置和包含图像读取装置的图像形成装置
    • US06961154B2
    • 2005-11-01
    • US09758002
    • 2001-01-09
    • Masashi Sugano
    • Masashi Sugano
    • H04N1/10G03B27/50G03G15/00H04N1/04H04N1/107H04N1/12H04N1/193
    • H04N1/0464H04N1/1013H04N1/12H04N1/193
    • An image-reading apparatus for reading an image formed on a document is provided which includes an automatic document feeder, a dynamic-document reading section, a static-document reading section, and a document-covering member. A light source mechanism irradiates an exposing light onto the document at either the dynamic-document reading section or the static-document reading section. When the automatic document feeder is opened with regard to the dynamic-document reading section and a stationary document is placed on the static-document reading section to read the image formed on the document, a controller controls the light source mechanism so that substantially none of the exposing light emitted from the light source mechanism leaks outside through the dynamic-document reading section.
    • 提供了一种用于读取形成在文件上的图像的图像读取装置,其包括自动文档馈送器,动态文档读取部分,静态文档读取部分和文档覆盖部件。 光源机构在动态文件读取部分或静态文件读取部分上将曝光光照射到文档上。 当相对于动态文档读取部分打开自动文件馈送器并且静态文档被放置在静态文档读取部分上以读取形成在文档上的图像时,控制器控制光源机构,使得基本上没有 从光源机构发出的曝光光通过动态文件读取部分向外泄漏。
    • 27. 发明申请
    • Scanning device with a positioning sensor and a corresponding processing method to obtain images
    • 具有定位传感器的扫描装置和相应的处理方法来获取图像
    • US20050094902A1
    • 2005-05-05
    • US10980518
    • 2004-11-03
    • Wei ZhangFu ZhangZhiguo ChangYingfeng LvChengwu GuXiaoyun Ding
    • Wei ZhangFu ZhangZhiguo ChangYingfeng LvChengwu GuXiaoyun Ding
    • G06K9/00H04N1/028H04N1/031H04N1/04H04N1/047H04N1/107
    • H04N1/0318H04N1/047H04N1/107H04N2201/0468H04N2201/0471H04N2201/04713H04N2201/04743H04N2201/04787
    • The present invention relates to a scanning device with a positioning senor and a processing method to obtain images, comprising a casing, linear contact image sensor (CIS), further comprising a system processor P3 for controlling the work of said CIS by timing signal, the optical coordinate sensors and the displacement processor P1 and P2 for estimating the coordinate increment (8001) and the coordinate increment (8002) of the real-time displacement, an A/D circuit and data buffer; said system processor P3 packets original scanning data with positioning information (8004), and then transfers to the upper machine. An image processing module in the upper machine de-packets said original scanning date (8004); Converts out the coordinate of the terminal pixel of said linear contact image sensor (CIS), and configures the image line in the object image configuring area; and calculates and rectifies the relative offset of the positioning coordinate of the two scanning bands making using of the statistical characteristic of part of pixel data in the overlapped area of the two scanning bands.
    • 本发明涉及一种具有定位传感器的扫描装置和一种获取图像的处理方法,包括壳体,线性接触图像传感器(CIS),还包括用于通过定时信号控制所述CIS的工作的系统处理器P 3, 光学坐标传感器和用于估计实时位移的坐标增量(8001)和坐标增量(8002),A / D电路和数据缓冲器的位移处理器P 1和P 2; 所述系统处理器P 3将具有定位信息(8004)的原始扫描数据分组,然后传送到上位机。 上位机的图像处理模块对原始扫描日期(8004)进行解包; 转换所述线性接触图像传感器(CIS)的终端像素的坐标,并将对象图像构成区域中的图像线构成; 并且利用两个扫描带的重叠区域中的像素数据的一部分的统计特性来计算和校正两个扫描带的定位坐标的相对偏移。
    • 28. 发明授权
    • Image reading apparatus
    • 图像读取装置
    • US06886749B2
    • 2005-05-03
    • US10419183
    • 2003-04-21
    • Hirotaka ChibaNobuyasu YamaguchiTsugio Noda
    • Hirotaka ChibaNobuyasu YamaguchiTsugio Noda
    • G06T1/00G06K7/10G06K7/14H01L27/00H04N1/00H04N1/107
    • H04N1/00204H04N1/107H04N2201/0051H04N2201/007
    • An image reading apparatus is attached to the top of a PDA. During the image reading operation, an operation state control signal is output from the image reading apparatus to the PDA. According to the signal, the intensity of an input display unit not required during the operation can be reduced. Additionally, the power supply or the supply of a signal not required during the operation is stopped. Furthermore, an LED of the PDA issues a notification of an operation state by lighting, blinking, or turning-off. When the input display unit displays an image, an erect image and an inverted image are appropriately switched depending on the operation state. During an image reading operation, input by input buttons and a touch panel of the input display unit are nullified to avoid the occurrence of a malfunction.
    • 图像读取装置附接到PDA的顶部。 在图像读取操作期间,将操作状态控制信号从图像读取装置输出到PDA。 根据该信号,可以减少在操作期间不需要的输入显示单元的强度。 此外,停止在操作期间不需要的电源或供应信号。 此外,PDA的LED通过点亮,闪烁或关闭来发出操作状态的通知。 当输入显示单元显示图像时,根据操作状态适当地切换直立图像和反转图像。 在图像读取操作期间,输入显示单元的输入按钮和触摸面板的输入无效,以避免发生故障。