公开(公告)号：JP2004354500A

公开(公告)日：2004-12-16

申请号：JP2003149521

申请日：2003-05-27

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： TANIMURA KEN ,  SHIMOMURA HIDEKAZU

IPC: B41J2/44 ,  G02B26/12 ,  H04N1/113 ,  H04N1/12 ,  H04N1/191 ,  H04N1/50 ,  G02B26/10

CPC classification number: H04N1/506 ,  H04N1/12 ,  H04N1/1912 ,  H04N2201/04703 ,  H04N2201/04731 ,  H04N2201/04744 ,  H04N2201/04755 ,  H04N2201/04794 ,  H04N2201/04796

Abstract: PROBLEM TO BE SOLVED: To obtain an optical scanner capable of reducing pitch unevenness caused by surface falling of a rotary polygon mirror and thereby easily obtaining a high definition image, and to provide an image forming device using the same. SOLUTION: In the optical scanner provided with a deflection means 5 consisting of the rotary polygon mirror for deflecting a luminous flux emitted from a light source means 1, and a scanning optical system 61 for optically guiding the luminous flux deflected by the deflection means onto a surface to be scanned, when assuming the diameter of the circumscribed circle of the rotary polygon mirror to be D(mm), the number of the deflection surfaces of the rotary polygon mirror to be M, the impinging angle to a deflection surface to be α(rad) when the traversal center is being scanned with the luminous flux, the maximum swing angle to be θ(rad) when the deflection surface scans an effective scanning range, and a magnification in the vertical scanning cross section of the scanning optical system to be β, each element is set so as to satisfy the conditional expression (1). COPYRIGHT: (C)2005,JPO&NCIPI

公开(公告)号：JPS5961269A

公开(公告)日：1984-04-07

申请号：JP17063682

申请日：1982-09-29

Applicant: Canon Inc

Inventor： MIYAGI TAKESHI

IPC: H04N1/04 ,  G06T1/00 ,  H04N1/053 ,  H04N1/10 ,  H04N1/193

CPC classification number: H04N1/053 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04732

Abstract: PURPOSE: To adjust the parallel degree of plural reading sensors precisely by aligning a marker in the main scanning direction in each side of both sides of a main scanning range outside the main scanning range for a reading original on an original board.
CONSTITUTION: An original is put on an original position 2 of the original board 1 upside-down and the markers 8, 8' are fitted to both sides of the main scanning range outside the main scanning range for the original. The markers 8, 8' are constituted by black band-like printing parts and positioned so as to be aligned on the line A-A' of the main scanning direction and the interval X between both markers is fixed. The light projected from a light source 4 irradiates the original and the markers the reflected light is detected by the reading sensors CCD 7, 7' through reflectors 5a∼5c and lenses 6, 6' to convert the light into an electric signal. A scanning unit 3 is aligned to the line A-A' so as to detect the edge parts of the markers 8, 8' and adjusts the main scanning direction of the fitting positions of CCDs and the distance.
COPYRIGHT: (C)1984,JPO&Japio

Abstract translation: 目的：通过在主扫描范围外的主扫描范围的两侧的两侧的主扫描方向上对准原稿板上的读取原稿，来精确地调整多个读取传感器的平行度。 构成：将原件放置在原板1的原始位置2上，并将标记8,8'安装在原始扫描范围之外的主扫描范围的两侧。 标记8,8'由黑色带状印刷部构成，并且被定位成在主扫描方向上的线A-A'上对齐，并且两个标记之间的间隔X是固定的。 从光源4射出的光通过反射器5a-5c和透镜6,6'照射原稿和标记物，由反射器5a-5c和透镜6,6'由读取传感器CCD7,7'检测反射光，以将光转换为电信号。 扫描单元3与线A-A'对齐，以检测标记8,8'的边缘部分，并调节CCD的装配位置的主扫描方向和距离。

公开(公告)号：US11943407B2

公开(公告)日：2024-03-26

申请号：US17600383

申请日：2020-06-16

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Soo Young Kang ,  Junghoon Kim ,  Mi Jin Kang

IPC: H04N1/028 ,  H04N1/00 ,  H04N1/12 ,  H04N1/21

CPC classification number: H04N1/00782 ,  H04N1/00734 ,  H04N1/00758 ,  H04N1/00766 ,  H04N1/028 ,  H04N1/121 ,  H04N1/2108 ,  H04N2201/0094 ,  H04N2201/0416 ,  H04N2201/04703

Abstract: An image reading apparatus includes an image sensor to read a document, a sensor to detect whether the document is loaded on the image reading apparatus, and a processor to, when the sensor detects the document is loaded on the image reading apparatus, and before a scan instruction is input to the image reading apparatus, control the image sensor to execute a pre-scan job with respect to the loaded document using a default set value.

公开(公告)号：US08711450B2

公开(公告)日：2014-04-29

申请号：US13380710

申请日：2011-07-14

Applicant: Hisashi Ishikawa

Inventor： Hisashi Ishikawa

IPC: H04N1/46 ,  H04N1/04 ,  H04N1/60 ,  G06K15/00 ,  G06K9/00

CPC classification number: H04N1/00023 ,  H04N1/00013 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00082 ,  H04N1/0473 ,  H04N1/1013 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/04703 ,  H04N2201/04734 ,  H04N2201/04743 ,  H04N2201/04787 ,  H04N2201/04794

Abstract: An image reading apparatus, an image reading method and a program are provided for favorably correcting color misalignment in a sub-scanning direction of a read signal read by a plurality of line sensors without increasing a circuit scale or processing time. To accomplish this, the image reading apparatus sets, as a reference signal, the read signal that is output from one of the plurality of line sensors, and detects a correlation between the reference signal and each of a plurality of read signals output from line sensors other than the one of the plurality of line sensors of a plurality of lines that are displaced in predetermined line units from a line from which the reference signal is read, and selects a read signal having a high correlation with the reference signal as a read signal from the line of the reference signal.

Abstract translation: 提供图像读取装置，图像读取方法和程序，用于有利地校正由多个线传感器读取的读取信号的副扫描方向上的颜色偏移，而不增加电路规模或处理时间。 为了实现这一点，图像读取装置将从多个线传感器之一输出的读取信号作为参考信号设置，并且检测参考信号与从线传感器输出的多个读取信号中的每一个之间的相关性 除了从读取参考信号的线以预定的线单位移位的多条线的多个线传感器之一以外，并且选择与参考信号具有高相关性的读信号作为读信号 从参考信号线。

公开(公告)号：US20140036321A1

公开(公告)日：2014-02-06

申请号：US14056224

申请日：2013-10-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tomofumi Nishida ,  Nobutsune Kobayashi ,  Shinichi Yukiura ,  Hideyuki Kido ,  Ryoji Kanoyadani

IPC: H04N1/32 ,  H04N1/10

CPC classification number: H04N1/32 ,  H04N1/047 ,  H04N1/10 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/04703

Abstract: An apparatus for moving a unit to execute scanning includes a scanning unit including a motor, an encoder for outputting a signal according to movement of the unit, a detection unit for detecting a current supplied to the motor, a speed control unit for executing a speed control of the motor according to the signal output from the encoder and the current detected by the detection unit, a movement control unit for setting a threshold value, moving the unit by driving the motor, by using the speed control unit, and a current control unit for setting a value greater than the predetermined value according to the threshold value and value of the current detected by the detection unit at a predetermined timing during a time period while the unit is moving.

Abstract translation: 用于移动单元以执行扫描的装置包括扫描单元，其包括马达，根据单元的移动输出信号的编码器，用于检测提供给马达的电流的检测单元，用于执行速度的速度控制单元 根据从编码器输出的信号和由检测单元检测到的电流来控制电动机;移动控制单元，用于设定阈值，通过使用速度控制单元驱动电动机来移动单元;以及电流控制 单元，用于根据所述阈值设定大于所述预定值的值，并且在所述单元移动期间的时间段期间，在所述检测单元在预定定时检测到的电流值。

公开(公告)号：US08626042B2

公开(公告)日：2014-01-07

申请号：US13106360

申请日：2011-05-12

Applicant: Yuuta Naito

Inventor： Yuuta Naito

IPC: G03G15/01 ,  G03G15/00

CPC classification number: H04N1/047 ,  G03G15/0131 ,  G03G15/0189 ,  G03G15/5058 ,  G03G2215/00059 ,  G03G2215/0129 ,  G03G2215/0161 ,  H04N1/0315 ,  H04N1/506 ,  H04N2201/04703 ,  H04N2201/04722 ,  H04N2201/04729 ,  H04N2201/04731 ,  H04N2201/04749

Abstract: Provided is a detecting apparatus including an illumination optical system for emitting an image bearing member with a light beam emitted from a light source unit, an imaging optical system including an imaging optical element for imaging an image on the surface of the image bearing member, a light receiving unit for detecting the image on the image bearing member which has been imaged by the imaging optical system, and a calculation unit for detecting image information on the image on the image bearing member from a detection signal received from the light receiving unit. In the detecting apparatus, at least one optical plane of the imaging optical element is configured to refract an imaging system principal ray after passing therethrough in a direction of farther becoming apart from the light source unit than the imaging system principal ray before passing through the optical plane.

Abstract translation: 本发明提供一种检测装置，包括：照明光学系统，用于从光源单元发射的光束发射图像承载部件;成像光学系统，包括用于对图像承载部件的表面上的图像进行成像的成像光学元件; 用于检测由成像光学系统成像的图像承载部件上的图像的光接收单元，以及用于从从光接收单元接收的检测信号检测图像承载部件上的图像的图像信息的计算单元。 在检测装置中，成像光学元件的至少一个光学平面被配置为在穿过光学元件之后沿与离开光源单元更远的方向折射成像系统主光线而不是成像系统主光线 飞机

公开(公告)号：US08508809B2

公开(公告)日：2013-08-13

申请号：US12790658

申请日：2010-05-28

Applicant: Tee Boon Hock

Inventor： Tee Boon Hock

IPC: H04N1/04 ,  H04N1/40 ,  G03F3/08 ,  G06F3/12 ,  G06K15/00 ,  B41J2/47

CPC classification number: H04N1/1017 ,  H04N1/0473 ,  H04N1/193 ,  H04N1/486 ,  H04N2201/044 ,  H04N2201/04703 ,  H04N2201/0472 ,  H04N2201/04731 ,  H04N2201/04732 ,  H04N2201/04787 ,  H04N2201/04791 ,  H04N2201/04793

Abstract: An image reading apparatus that optically reads a document includes: multiple line sensors provided approximately parallel to each other and each having light-receiving elements arranged in line form, each line sensor capturing respective line-shaped regions spanning in the main scanning direction of the document in respective color components; a movement unit that causes the positional relationship between the document and the multiple line sensors to move relative to the sub scanning direction that is orthogonal to the main scanning direction; a color skew adjustment unit that adjusts positional skew in the sub scanning direction in scan data of each of the color components captured by the multiple line sensors in synchronization with the movement caused by the movement unit, in accordance with an offset amount based on the distance between each of the multiple line sensors.

Abstract translation: 光学读取文件的图像读取装置包括：大致平行地设置并且各自具有以线形形式布置的光接收元件的多条线传感器，每个线传感器捕获横跨文件的主扫描方向的各个线状区域 各颜色成分; 使所述原稿与所述多行传感器之间的位置关系相对于与所述主扫描方向正交的副扫描方向移动的移动单元; 颜色偏移调整单元，其根据基于距离的偏移量，调整与由移动单元引起的移动同步地调整由多行传感器捕获的每个颜色分量的扫描数据中的副扫描方向上的位置偏差 在多个线路传感器之间。

公开(公告)号：US08503045B2

公开(公告)日：2013-08-06

申请号：US13116097

申请日：2011-05-26

Applicant: Satoshi Kubo ,  Yuki Kasahara

Inventor： Satoshi Kubo ,  Yuki Kasahara

IPC: H04N1/193 ,  H04N2201/0082 ,  G03B27/6214

CPC classification number: H04N1/047 ,  G06K9/3208 ,  H04N1/193 ,  H04N1/387 ,  H04N2201/0436 ,  H04N2201/04703 ,  H04N2201/04734 ,  H04N2201/04743

Abstract: An overhead scanner device includes an area sensor, a linear sensor, and a control unit, wherein the control unit includes an area-image acquiring unit that controls the area sensor to successively acquire a plurality of images, a feature-point extracting unit that extracts feature points from the images acquired by the area-image acquiring unit, a velocity-vector computing unit that computes a velocity vector of each of the feature points by comparing the feature points extracted by the feature-point extracting unit between the images, and a read-start determining unit that determines a read start by the linear sensor, based on the velocity vector computed by the velocity-vector computing unit.

Abstract translation: 一种架空扫描仪装置，包括区域传感器，线性传感器和控制单元，其中控制单元包括区域图像获取单元，其控制区域传感器以连续地获取多个图像;特征点提取单元，其提取 由所述区域图像获取单元获取的图像的特征点，速度矢量计算单元，其通过将由所述特征点提取单元提取的所述特征点与所述图像进行比较来计算每个所述特征点的速度矢量;以及 读取开始确定单元，其基于由速度矢量计算单元计算的速度矢量，确定线性传感器的读取开始。

公开(公告)号：US20120099164A1

公开(公告)日：2012-04-26

申请号：US13091787

申请日：2011-04-21

Applicant: Toshiyuki KAZAMA ,  Kenji HYOKI ,  Masaki FUJISE

Inventor： Toshiyuki KAZAMA ,  Kenji HYOKI ,  Masaki FUJISE

IPC: H04N1/04

CPC classification number: H04N1/00031 ,  H04N1/00013 ,  H04N1/00015 ,  H04N1/00045 ,  H04N1/047 ,  H04N1/12 ,  H04N2201/04703 ,  H04N2201/04717 ,  H04N2201/04758

Abstract: An image reader includes a light source that irradiates light to a recording material on which an image is formed, a generation section that receives light reflected from the recording material and generates image information from the received light, and a processing section that extracts information corresponding to a window region of the recording material set in advance, as correction information, from the image information generated by the generation section when light from the light source is irradiated to the recording material on which the image is formed.

Abstract translation: 图像读取器包括将光照射到其上形成有图像的记录材料的光源;接收从记录材料反射的光并生成来自接收光的图像信息的生成部，以及处理部，其提取与 当来自光源的光照射到其上形成有图像的记录材料时，从由生成部分生成的图像信息中预先设置记录材料的窗口区域作为校正信息。

公开(公告)号：US07995260B2

公开(公告)日：2011-08-09

申请号：US12109658

申请日：2008-04-25

Applicant: Hirokazu Nakashima ,  Naoki Abe

Inventor： Hirokazu Nakashima ,  Naoki Abe

IPC: G02B26/08

CPC classification number: G02B26/105 ,  G02B26/127 ,  G03G15/0435 ,  G03G15/326 ,  G03G2215/0404 ,  H04N1/02815 ,  H04N1/0473 ,  H04N1/113 ,  H04N2201/04703 ,  H04N2201/04734 ,  H04N2201/04748 ,  H04N2201/04755 ,  H04N2201/04767

Abstract: A light scanning device is provided. The light scanning device includes: an oscillating mirror which oscillates rotationally and reflects a light beam to be scanned over a scanning range, the scanning range including a first scanning range and a second scanning range set across a center of the scanning range; a detection unit including a light receiving face, on which the light beam is incident, to detect the light beam; and first and second stationary mirrors which reflect the light beam reflected by the oscillating mirror to the first scanning range and the second scanning range, respectively, to be incident on the light receiving face, wherein an incident pattern of the light beam reflected by the first stationary mirror incident on the light receiving face is different from an incident pattern of the light beam reflected by the second stationary mirror incident on the light receiving face.

Abstract translation: 提供光扫描装置。 光扫描装置包括：振动反射镜，其在扫描范围内旋转振荡并反射待扫描的光束，扫描范围包括跨越扫描范围的中心设置的第一扫描范围和第二扫描范围; 检测单元，其包括光束入射的光接收面以检测光束; 以及第一和第二固定镜，其将由所述振动反射镜反射的光束分别反射到所述第一扫描范围和所述第二扫描范围，以入射到所述光接收面上，其中所述光束的入射图案被所述第一 入射在光接收面上的固定镜与入射在受光面上的第二静止镜反射的光束的入射图案不同。