Method and apparatus for positioning a focusing lens
    12.
    发明授权
    Method and apparatus for positioning a focusing lens 失效
    用于定位聚焦透镜的方法和装置

    公开(公告)号:US5532846A

    公开(公告)日:1996-07-02

    申请号:US496713

    申请日:1995-06-29

    Abstract: A scanning apparatus providing separate fixed focal planes for transmissive and reflective original documents to be scanned, wherein a scan carriage containing illumination, sensor, and optical elements is moved together to scan an original document and to obtain a digitized representation thereof. The movable scan carriage has an illumination source disposed between the reflective and transmissive object focal planes, with the object focal plane to be used selected by changing the position of one or more optical elements within the scan carriage. The resolution of the digitized representation of the scanned original document can be determined by rotation of at least one lens about an axis substantially perpendicular to its optic axis.

    Abstract translation: 一种扫描装置,其提供用于要扫描的透射和反射原稿的单独的固定焦平面,其中包含照明,传感器和光学元件的扫描托架一起移动以扫描原始文件并获得其数字化表示。 可移动扫描托架具有设置在反射和透射物体焦平面之间的照明源,通过改变扫描托架内的一个或多个光学元件的位置来选择对象焦平面。 扫描的原始文件的数字化表示的分辨率可以通过围绕基本上垂直于其光轴的轴的至少一个透镜旋转来确定。

    Manual scan type image reader for correcting read image data to
faithfully reproduce read image
    14.
    发明授权
    Manual scan type image reader for correcting read image data to faithfully reproduce read image 失效
    手动扫描型图像读取器,用于校正读取图像数据以忠实地再现读取图像

    公开(公告)号:US5058188A

    公开(公告)日:1991-10-15

    申请号:US609517

    申请日:1990-11-05

    Applicant: Shigeo Yoneda

    Inventor: Shigeo Yoneda

    Abstract: Thers is disclosed a manual scan type image reader for reading a document image by manually moving an image sensor for optically reading the image in a predetermined manual scan direction, converting the read document image into document image data, and outputting the converted document image data to an external unit. In the image reader, there is provided a ruler body including an image reading window for seeing the image therethrough formed on a bottom surface thereof so as to be opened to a top surface thereof, and plural scale lines printed with predetermined equal pitches in the manual scan direction on a bottom surface thereof. A scanner is mounted on the ruler body for movement in the manual scan direction, and the scanner includes the image sensor for reading the document image and the plural scale lines and converting them into document image data and scale image data, respectively. An image reading controller of the image reader corrects the document image data converted by the image sensor according to the scale image data converted by the image sensor so as to reproduce further document image data corresponding to the document image with predetermined equal pitches between the adjacent scale lines of the converted scale image data.

    Abstract translation: 公开了一种手动扫描型图像读取器,用于通过手动移动用于以预定的手动扫描方向光学读取图像的图像传感器来读取文档图像,将读取的文档图像转换为文档图像数据,并将转换的文档图像数据输出到 外部单元。 在图像读取器中,提供了一个标尺体,其包括用于在其底表面上形成的图像的图像读取窗口,以便在其顶表面上打开,并且在手册中以预定的等间距印刷多个刻度线 扫描方向。 扫描仪安装在标尺主体上,用于在手动扫描方向上移动,扫描仪包括用于读取文档图像和多个刻度线的图像传感器,并将它们转换为文档图像数据和缩放图像数据。 图像读取器的图像读取控制器根据由图像传感器转换的比例图像数据来校正由图像传感器转换的文档图像数据,以便在相邻尺度之间以预定的等间距再现与文档图像相对应的另外的文档图像数据 转换的缩放图像数据的行。

    Optical scanner
    15.
    发明授权
    Optical scanner 失效
    光学扫描仪

    公开(公告)号:US4216378A

    公开(公告)日:1980-08-05

    申请号:US950253

    申请日:1978-10-10

    Abstract: An optical scanner for scanning an image on a document to produce an electrical signal representing the image density of the image at successively scanned points positioned along a scan line on the document includes a platen for supporting the document in a scan plane. A rotatable mirror in the scanner optical system is rotated at a non-uniform angular velocity to scan the document at a controlled scan rate which may be selected as a uniform scan rate. Rotation of the mirror is controlled by means of a servo control loop responsive to a reference signal and to the output of a reference transducer which receives light from a reference grating as the mirror is rotated.

    Abstract translation: 用于扫描文档上的图像以产生表示在文档上沿着扫描线定位的连续扫描点处的图像的图像浓度的电信号的光学扫描器包括用于在扫描平面中支撑文档的压板。 扫描仪光学系统中的可旋转反射镜以不均匀的角速度旋转,以受控的扫描速率扫描文件,扫描速率可被选择为均匀的扫描速率。 反射镜的旋转通过响应于参考信号的伺服控制环路和当反射镜旋转时从参考光栅接收光的参考传感器的输出来控制。

    Image sensor controller, electronic device, and method for controlling image sensor
    16.
    发明授权
    Image sensor controller, electronic device, and method for controlling image sensor 有权
    图像传感器控制器,电子设备和图像传感器控制方法

    公开(公告)号:US07391454B2

    公开(公告)日:2008-06-24

    申请号:US10715741

    申请日:2003-11-18

    Abstract: An image sensor controller and methods achieve faster image reading speeds by controlling the frequency of image sensor transfer clocks φ1, φ2 in accordance with the particular output period. Such an image sensor controller includes a drive controller that supplies to a transfer section of the image sensor transfer clocks φ1, φ2 whose clock frequency during dummy pixel output periods is faster than it is during an effective pixel output period, or whose clock frequency during non-reading pixel output periods is faster than it is during a reading pixel output period. A pattern selector selects among clock patterns in a table for setting φ1, φ2 according to the output periods of the image sensor. Even when the clock frequency of φ1, φ2 changes, a transfer clock ADCK signal can be supplied at a constant clock frequency to an A/D converter.

    Abstract translation: 图像传感器控制器和方法通过根据特定输出周期控制图像传感器传送时钟phi 1,phi2的频率来实现更快的图像读取速度。 这样的图像传感器控制器包括:驱动控制器,其向虚拟像素输出周期内的时钟频率比在有效像素输出周期期间更快的图像传感器传送时钟phi 1,phi2的传送部分提供,或者其时钟频率为 非读取像素输出周期比在读取像素输出周期期间更快。 模式选择器根据图像传感器的输出周期来选择用于设置phi 1,phi2的表格中的时钟模式。 即使phi1,phi2的时钟频率发生变化,也可以以恒定的时钟频率向A / D转换器提供传输时钟ADCK信号。

    Image reading device
    17.
    发明授权
    Image reading device 失效
    图像读取装置

    公开(公告)号:US06639695B1

    公开(公告)日:2003-10-28

    申请号:US09407859

    申请日:1999-09-29

    Inventor: Kazutsugu Ogata

    Abstract: In an image reading device, light from a source document is formed in an image by an optical image-forming system including a lens and the formed image is detected by a charged coupled device (CCD) sensor. A reading line of the image read by the optical system and the CCD sensor is scanned in a vertical scanning direction. The charge accumulated in the CCD sensor is read out through a timing circuit and an analog-to-digital converter. Light from an extension of a reading line of a position-reading pattern in or on a position-reading plate is also formed into an image and detected by the CCD sensor, based on which, misregistration of a scanning position in the vertical scanning direction is detected. The image data read out by the CCD sensor is corrected by a correction circuit, based on the misregistration of a scanning position in the vertical scanning direction.

    Abstract translation: 在图像读取装置中,通过包括透镜的光学图像形成系统在源文档中形成光,并且通过充电耦合器件(CCD)传感器检测形成的图像。 由光学系统和CCD传感器读取的图像的读取行沿垂直扫描方向扫描。 CCD传感器中累积的电荷通过定时电路和模数转换器读出。 来自位置读取板中或位置读取板上的位置读取图案的读取线的延伸线的光也被形成为图像并由CCD传感器检测到,基于此,扫描位置在垂直扫描方向上的重合失调是 检测到。 基于扫描位置在垂直扫描方向上的对准不正确,由校正电路校正由CCD传感器读出的图像数据。

    Method and apparatus for positioning a focusing lens
    19.
    发明授权
    Method and apparatus for positioning a focusing lens 失效
    用于定位聚焦透镜的方法和装置

    公开(公告)号:US5621563A

    公开(公告)日:1997-04-15

    申请号:US605484

    申请日:1996-02-26

    Abstract: A scanning apparatus providing separate fixed focal planes for transmissive and reflective original documents to be scanned, wherein a scan carriage containing illumination, sensor, and optical elements is moved together to scan an original document and to obtain a digitized representation thereof. The movable scan carriage has an illumination source disposed between the reflective and transmissive object focal planes, with the object focal plane to be used selected by changing the position of one or more optical elements within the scan carriage. The resolution of the digitized representation of the scanned original document can be determined by rotation of at least one lens about an axis substantially perpendicular to its optic axis.

    Abstract translation: 一种扫描装置,其提供用于要扫描的透射和反射原稿的单独的固定焦平面,其中包含照明,传感器和光学元件的扫描托架一起移动以扫描原始文件并获得其数字化表示。 可移动扫描托架具有设置在反射和透射物体焦平面之间的照明源,通过改变扫描托架内的一个或多个光学元件的位置来选择对象焦平面。 扫描的原始文件的数字化表示的分辨率可以通过围绕基本上垂直于其光轴的轴的至少一个透镜旋转来确定。

    Image reading apparatus with varied subscanning speed
    20.
    发明授权
    Image reading apparatus with varied subscanning speed 失效
    具有不同副扫描速度的图像读取装置

    公开(公告)号:US5539532A

    公开(公告)日:1996-07-23

    申请号:US288901

    申请日:1994-08-11

    Inventor: Hideaki Watanabe

    Abstract: A scanner having an image sensor unit having a CCD linear array for electro-optically scanning an image of an original in a main scanning direction to convert the image into image data signals is used to scan, through a table sheet having a transparent document area and a pattern area which includes a stripe pattern inclined with respect to the main scanning direction, an original placed under the document area to read data of the original, and the scanner is moved relative to the original in a subscanning direction perpendicular to the main scanning direction. A pattern signal obtained by scanning the pattern area then is analyzed to detect an amount of relative movement of the scanner in the subscanning direction from the movement of the stripe pattern in the main scanning direction. Accordingly, the reading resolution in the subscanning direction which varies depending upon a high or low degree of the speed of relative movement of the scanner in the subscanning direction can be maintained suitably by adjustment of the speed of movement, or the reading speed can be raised for a predetermined resolution.

    Abstract translation: 具有图像传感器单元的扫描仪具有CCD线性阵列,用于在主扫描方向上对原稿的图像进行电光扫描以将图像转换为图像数据信号,通过具有透明文档区域的表格和 包括相对于主扫描方向倾斜的条纹图案的图案区域,放置在原稿区域下方以读取原稿数据的原稿,并且扫描仪相对于原稿在与主扫描方向垂直的副扫描方向上移动 。 分析通过扫描图案区域获得的图案信号,以便检测扫描器在副扫描方向上相对于条形图案在主扫描方向上的移动的相对移动量。 因此,可以通过调整移动速度来适当地维持副扫描方向上的扫描仪在副扫描方向上的相对移动速度的高或低程度的变化的读取分辨率,或者可以提高读取速度 预定分辨率。

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