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    Image reader
    101.
    发明专利
    Image reader 有权
    图像读取器

    公开(公告)号：JP2009017023A

    公开(公告)日：2009-01-22

    申请号：JP2007174235

    申请日：2007-07-02

    Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

    Inventor： TAMAI KENSUKE ,  NAKAYAMA YOSUKE

    IPC: H04N1/04 ,  G03B27/50 ,  G06T1/00 ,  H04N1/028 ,  H04N1/12

    CPC classification number: H04N1/00928 ,  H04N1/0473 ,  H04N1/1026 ,  H04N1/103 ,  H04N1/193 ,  H04N2201/0448 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04731 ,  H04N2201/04755 ,  H04N2201/04791 ,  H04N2201/04793

    Abstract: PROBLEM TO BE SOLVED: To detect a prescribed pattern rapidly and reliably using an image reader. SOLUTION: The image reader comprises: a reading section; a control section for controlling the reading section; and a pattern region including a prescribed pattern. The control section includes: a first image acquisition section for acquiring first image data; a pattern searching section for searching a prescribed pattern in the first image data; a second image acquisition section for acquiring second image data by reading with a resolution set in such a manner that images at least at a characteristic part can be detected for image data with a resolution in a second vertical scanning direction that is a low resolution when no prescribed pattern is detected; a characteristic part searching section for searching a characteristic part in the second image data; and a reprocessing instruction section for specifying an approximate position of a pattern region based on a position of the detected characteristic section for rereading by the first image acquisition section. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：使用图像读取器快速可靠地检测规定的图案。 解决方案：图像读取器包括：读取部分; 用于控制读取部的控制部; 以及包括规定图案的图案区域。 控制部分包括：第一图像获取部分，用于获取第一图像数据; 模式搜索部分，用于搜索第一图像数据中的规定图案; 第二图像获取部分，用于通过以这样的方式设置的分辨率来读取分辨率来获取第二图像数据，所述分辨率以至少在特征部分处的图像可以被检测为具有低分辨率的第二垂直扫描方向上的分辨率的图像数据，当没有 检测到规定的样式; 特征部分搜索部分，用于搜索第二图像数据中的特征部分; 以及再处理指令部分，用于基于检测到的特征部分的位置来指定图案区域的近似位置以供第一图像获取部分重读。 版权所有（C）2009，JPO＆INPIT

    Printing device, position detection method and position detection program
    102.
    发明专利
    Printing device, position detection method and position detection program 有权
    打印设备，位置检测方法和位置检测程序

    公开(公告)号：JP2006306062A

    公开(公告)日：2006-11-09

    申请号：JP2006088285

    申请日：2006-03-28

    Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

    Inventor： NIIOKA KOJI ,  MIYASHITA EIICHI

    IPC: B41J29/38 ,  B41J3/407 ,  B41J19/18

    CPC classification number: H04N1/00681 ,  H04N1/00702 ,  H04N1/00734 ,  H04N1/00755 ,  H04N1/00761 ,  H04N1/00779 ,  H04N1/00782 ,  H04N1/053 ,  H04N2201/04713 ,  H04N2201/0472 ,  H04N2201/04729 ,  H04N2201/04732 ,  H04N2201/04767 ,  H04N2201/04789

    Abstract: PROBLEM TO BE SOLVED: To provide a printing device which is easy to operate and permits a stable position detection despite secular deterioration.
    SOLUTION: The printing device comprises moving means (carriage motor 26, a paper feed motor 51) to move an optical sensor onto a marker for detecting a position provided on a disk tray when the disk tray 60 holding an optical recording medium 80 is inserted, a measuring means (CPU 100) to measure a signal value output from the optical sensor, a computation means (CPU 100) to compute a judgment threshold value on the basis of the signal value measured, scanning means (carriage motor 26, paper feed motor 51) to scan the marker, a detection means (CPU 100) to distinguish a signal output from the optical sensor on the basis of the judgment threshold value and to detect the position of the marker, and a specifying means (CPU 100) to specify a printing start position in accordance with the result of specification.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种易于操作的打印装置，并且即使长期恶化也能够进行稳定的位置检测。 解决方案：当保持光学记录介质80的盘托架60时，打印装置包括移动装置（滑架马达26，进纸马达51），以将光学传感器移动到用于检测设置在盘托盘上的位置的标记 插入测量装置（CPU100），用于测量从光学传感器输出的信号值;计算装置（CPU100），用于根据测量的信号值计算出判断阈值;扫描装置（滑架电动机26， 进纸马达51）扫描标记，检测装置（CPU100），以根据判断阈值区分从光学传感器输出的信号，并检测标记的位置，以及指定装置（CPU100 ）根据规格的结果指定打印开始位置。 版权所有（C）2007，JPO＆INPIT

    Electronic equipment
    104.
    发明专利
    Electronic equipment 审中-公开

    公开(公告)号：JP2004170614A

    公开(公告)日：2004-06-17

    申请号：JP2002335195

    申请日：2002-11-19

    Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

    Inventor： SATAKE EIJI

    IPC: G03B27/50 ,  G06T1/00 ,  H04N1/04 ,  H04N1/047 ,  H04N1/10 ,  H04N1/107

    CPC classification number: H04N1/0473 ,  H04N2201/02416 ,  H04N2201/02439 ,  H04N2201/04708 ,  H04N2201/0472 ,  H04N2201/04731 ,  H04N2201/04734 ,  H04N2201/04755 ,  H04N2201/04791 ,  H04N2201/04794

    Abstract: PROBLEM TO BE SOLVED: To reduce the number of parts in electronic equipment used for a servo control.
    SOLUTION: The electronic equipment 10 comprises a carriage 20 with an image sensor 22 (sensor) mounted thereon, a motor 32 (driving device) for driving the carriage 20, printed matters 16, 18 which are arranged in the detection area of the image sensor 22 and in which servo control information for detecting an initial position is printed, and a servo controller for performing servo control on the basis of the servo control information. A printed matter is arranged on the back surface side of frame 15 or an original placing plate 14. A plurality of printed matters (bar codes) for speed control differing in the print pattern is arranged. The printed matters are arranged in a lighting area of light from a light source for the image sensor. The servo control information of the printed matters is read by using the dummy pixel area of the image sensor, or using photo sensors arranged separately.
    COPYRIGHT: (C)2004,JPO

    Image scanning apparatus
    106.
    发明公开
    Image scanning apparatus 有权
    Bildabtastvorrichtung

    公开(公告)号：EP2012519A2

    公开(公告)日：2009-01-07

    申请号：EP08011702.1

    申请日：2008-06-27

    Applicant: Seiko Epson Corporation

    Inventor： Tamai, Kensuke ,  Nakayama, Yosuke

    IPC: H04N1/04

    CPC classification number: H04N1/00928 ,  H04N1/0473 ,  H04N1/1026 ,  H04N1/103 ,  H04N1/193 ,  H04N2201/0448 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04731 ,  H04N2201/04755 ,  H04N2201/04791 ,  H04N2201/04793

    Abstract: There is provided an image scanning apparatus including: a scanning section which scans an object opposite to a linear scanning area along a main scanning direction while moving the scanning area along a subscanning direction intersecting the main scanning direction and which generates image data on the basis of the result of the scanning; a control unit that controls the scanning section; and a pattern area including a predetermined pattern that defines a base position for specifying a position to be scanned by the scanning section, the predetermined pattern having a characteristic part that specifies a rough position of the predetermined pattern along the subscanning direction. The control unit includes: a first image acquiring section that acquires first image data by making the scanning section execute scanning at a first subscanning resolution; a pattern searching section that searches the first image data for the image of the predetermined pattern; a second image acquiring section that acquires second image data in such a manner that when the image of the predetermined pattern is not detected by the pattern searching section, the second image acquiring section makes the scanning section execute scanning at a preset second subscanning resolution lower than the first subscanning resolution so that image data generated by the scanning of the pattern area at the second subscanning resolution allows the image of the characteristic part to be detected therefrom; a characteristic-part searching section that searches the second image data for the image of the characteristic part; and a reprocessing instructing section which specifies the rough position of the pattern area along the subscanning direction on the basis of the position of the image of the characteristic part detected by the characteristic-part searching section and which makes the first image acquiring section execute scanning again at the rough position of the pattern area.

    Abstract translation: 提供了一种图像扫描装置，包括：扫描部，沿着主扫描方向扫描与线扫描区域相反的物体，同时沿着与主扫描方向相交的副扫描方向移动扫描区域，并且基于 扫描的结果; 控制单元，其控制扫描部; 以及图案区域，包括限定用于指定扫描部件要扫描的位置的基准位置的预定图案，所述预定图案具有指定沿着副扫描方向的预定图案的粗略位置的特征部分。 控制单元包括：第一图像获取部，其通过使扫描部以第一副扫描分辨率进行扫描来获取第一图像数据; 图案搜索部，其针对所述第一图像数据搜索所述预定图案的图像; 第二图像获取部，其以这样的方式获取第二图像数据，即当图案搜索部未检测到预定图案的图像时，第二图像获取部使扫描部以预定的第二副扫描分辨率执行扫描， 第一副扫描分辨率，使得通过第二副扫描分辨率的图案区域的扫描生成的图像数据允许从其检测特征部分的图像; 搜索所述第二图像数据以获取所述特征部分的图像的特征部分搜索部分; 以及再生处理指示部，其基于由特征部分搜索部检测到的特征部分的图像的位置来指定沿副副扫描方向的图案区域的粗略位置，并且使得第一图像获取部分再次执行扫描 在图案区域的粗略位置。

    Alignment error correction in scanning head
    107.
    发明授权
    Alignment error correction in scanning head 失效
    错误Ausrichting扫描头的校正

    公开(公告)号：EP0892546B1

    公开(公告)日：2003-03-26

    申请号：EP98305615.1

    申请日：1998-07-15

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Lee, Hyuk-jae ,  Gahang, Goo-soo

    IPC: H04N1/053 ,  H04N1/191 ,  H04N1/047

    CPC classification number: H04N1/128 ,  H04N1/053 ,  H04N1/1911 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04732 ,  H04N2201/04787

    Abstract: Disclosed are a method and an apparatus for correcting an alignment error of a scanning head of a shuttle type scanner capable of compensating for an error occurring in a manufacturing or an alignment error generated by an impact in use. When an alignment error correction mode is selected at a preset time, the scanning head is moved to a position facing a correction pattern formed on a correction plate. The correction pattern is scanned through the scanning head and the alignment error is calculated from the scanned pattern image data using a predetermined operation function. After performing a first correction to the calculated alignment error by moving first and last pixels of the image data, a second correction to the alignment error is performed by applying a preset correction function to remaining pixels excluding the first and last pixels.

    An image reading method and apparatus therefor
    110.
    发明授权
    An image reading method and apparatus therefor 失效
    Bildleseverfahren和设备。

    公开(公告)号：EP0452933B1

    公开(公告)日：1995-10-25

    申请号：EP91106235.4

    申请日：1991-04-18

    Applicant: Dainippon Screen Mfg. Co., Ltd.

    Inventor： Sakamoto, Takashi, Dainippon Screen, Mfg.Co.,Ltd.

    IPC: H04N1/04

    CPC classification number: H04N1/053 ,  H04N1/1008 ,  H04N1/193 ,  H04N2201/02443 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04734 ,  H04N2201/04787 ,  H04N2201/04793 ,  H04N2201/04798

    Abstract: The present invention relates to an image reading method and apparatus therefor where CCDs and similar devices are utilized, especially when making adjustments to compensate for read-out position errors. The apparatus for reading images includes a circuit for appointing an adjusted read-out address in order to get the goal image signals. In the circuit, the adjusted read-out address is obtained by using the actual data derived from scanning the sample chart 30 with an image device, and the computed data which is the same data that is obtained if the sample chart 30 is scanned with an ideal optical system, the sample chart 30 on which black lines are described at regular intervals. Accordingly, the present invention makes available an apparatus for reading images that will be cheap and easy to arrange, and yet print or reproduce the original image without distortion, color error or the like occurring.

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