公开(公告)号：US20090315503A1

公开(公告)日：2009-12-24

申请号：US12454154

申请日：2009-05-13

Applicant: Yasuhiko Yoshihisa ,  Hitoshi Igarashi

Inventor： Yasuhiko Yoshihisa ,  Hitoshi Igarashi

IPC: G05B13/02

CPC classification number: H04N1/00002 ,  H02P8/38 ,  H04N1/00018 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00082 ,  H04N1/047 ,  H04N2201/044 ,  H04N2201/046 ,  H04N2201/0472 ,  H04N2201/04732 ,  H04N2201/04755 ,  H04N2201/04793

Abstract: A method of reading an image by an image sensor comprising: a) reciprocating a carriage from a predetermined position in a predetermined direction by rotating a stepping motor to which a second current value smaller than a first current value is supplied; and b) detecting whether or not the carriage after reciprocating is disposed at the predetermined position, by the sensor, wherein, in the case where the sensor detects that the carriage after reciprocating is disposed at the predetermined position, when the image sensor reads an image, the first current value is supplied to the stepping motor, and in the case where the sensor detects that the carriage after reciprocating is not disposed at the predetermined position, when the image sensor reads an image, a current value obtained by adding a third current value to the first current value is supplied to the stepping motor.

Abstract translation: 一种通过图像传感器读取图像的方法，包括：a）通过旋转提供小于第一电流值的第二电流值的步进电机来使预定方向上的预定位置的滑架往复运动; 以及b）通过传感器检测往复运动后的托架是否设置在预定位置，其中，在传感器检测到往复运动之后的托架被布置在预定位置的情况下，当图像传感器读取图像时 ，第一电流值被提供给步进电机，并且在传感器检测到往复运动之后的托架未被布置在预定位置的情况下，当图像传感器读取图像时，通过将第三电流 值提供给步进电机。

公开(公告)号：US20090304425A1

公开(公告)日：2009-12-10

申请号：US12329434

申请日：2008-12-05

Applicant: Masashi AOKI ,  Hideyuki UMENO

Inventor： Masashi AOKI ,  Hideyuki UMENO

IPC: G03G15/00

CPC classification number: H04N1/00588 ,  G03G15/602 ,  G03G2215/00202 ,  H04N1/00591 ,  H04N1/00602 ,  H04N1/121 ,  H04N1/193 ,  H04N2201/044

Abstract: A document reading apparatus includes a first reading section for reading a first side of a document and a second reading section for reading a second side of the document, wherein a first reading position and a second reading position are disposed front and back in a conveyance direction at the document conveyance path, and wherein a pre-reading conveyance section and a post reading conveyance section which sandwich the first reading position and the second reading position in the conveyance direction are provided and the document is conveyed at the first reading position and at the second reading position by a conveyance section consisting of the pre-reading conveyance section and the post reading conveyance section, and wherein a conveyance force of the post reading conveyance section is equal to or less than a conveyance force of the pre-reading conveyance section.

Abstract translation: 文件读取装置包括用于读取文件的第一面的第一读取部分和用于读取文档的第二侧的第二读取部分，其中第一读取位置和第二读取位置沿传送方向前后布置 在文件传送路径上，并且设置了在传送方向夹着第一读取位置和第二读取位置的预读取传送部分和阅读传送部分，并且文档在第一阅读位置和 由读取前传送部分和阅读后传送部分组成的传送部分的第二读取位置，并且其中后置阅读传送部分的传送力等于或小于预读传送部分的传送力。

公开(公告)号：US07557969B2

公开(公告)日：2009-07-07

申请号：US10805332

申请日：2004-03-22

Applicant: Toshihiro Sone

Inventor： Toshihiro Sone

IPC: H04N1/46

CPC classification number: H04N1/00018 ,  H04N1/00002 ,  H04N1/00034 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/1013 ,  H04N1/4076 ,  H04N1/486 ,  H04N2201/044 ,  H04N2201/0448 ,  H04N2201/0458

Abstract: In the present invention, a front-side focal distance L2 is changed without changing a rear-side focal distance L1 so as to bring an MTF value D2 and brightness fluctuation D3 into an MTF balance range, so that collapse of color balance can be improved, and life of optical members such as a light source can be extended.

Abstract translation: 在本发明中，在不改变后侧焦距L1的情况下改变前侧焦距L2，以使MTF值D2和亮度波动D3成为MTF平衡范围，从而可以提高色平衡的塌陷 可以延长诸如光源的光学部件的寿命。

公开(公告)号：US20090122367A1

公开(公告)日：2009-05-14

申请号：US12352910

申请日：2009-01-13

Applicant: AYUMU MURAKAMI ,  SHOKO MAGATA ,  TAKESHI AOYAMA ,  YUICHI YAMAMOTO ,  TAKAYUKI SUGA ,  HARUHISA OSHIDA

Inventor： AYUMU MURAKAMI ,  SHOKO MAGATA ,  TAKESHI AOYAMA ,  YUICHI YAMAMOTO ,  TAKAYUKI SUGA ,  HARUHISA OSHIDA

IPC: H04N1/04

CPC classification number: H04N1/125 ,  H04N1/1013 ,  H04N1/1215 ,  H04N1/203 ,  H04N1/2032 ,  H04N1/4076 ,  H04N2201/044

Abstract: An image scanning device including: a conveyance path which conveys originals; a first scanning means and a second scanning means which are placed such that they sandwich the conveyance path; and a white reference member used for adjusting the white levels of the scanning means; wherein at least one of the first scanning means, the second scanning means and the white reference member is movable; the first scanning means and the second scanning means can scan the same surface of said white reference member since the first scanning means or the second scanning means is moved or the white reference member is moved.

Abstract translation: 一种图像扫描装置，包括：传送原稿的传送路径; 第一扫描装置和第二扫描装置，其被布置成使得它们夹持输送路径; 以及用于调整扫描装置的白色电平的白色基准部件; 其中所述第一扫描装置，所述第二扫描装置和所述白基准部件中的至少一个是可移动的; 由于第一扫描装置或第二扫描装置移动或白色参考构件被移动，第一扫描装置和第二扫描装置可以扫描所述白色基准构件的相同表面。

公开(公告)号：US20090091807A1

公开(公告)日：2009-04-09

申请号：US12061063

申请日：2008-04-02

Applicant: Yuichi Kagami ,  Fumihide Sakamoto

Inventor： Yuichi Kagami ,  Fumihide Sakamoto

IPC: H04N1/047

CPC classification number: H04N1/0057 ,  H04N1/00795 ,  H04N1/00814 ,  H04N1/00822 ,  H04N1/02815 ,  H04N1/02845 ,  H04N1/12 ,  H04N1/1235 ,  H04N1/193 ,  H04N1/1938 ,  H04N2201/044

Abstract: Image-capturing apparatus meeting demands for high-image resolution and high-speed data capture during both still- and moving-document data-capture modes. Includes: a reading unit having first and second linear photoreceptors arrayed along an data capture sub-scanning direction, a delay circuit delaying output from the first photoreceptor, and an adding circuit adding delayed first-photoreceptor output to second-photoreceptor output; and a scanning unit illuminating from underneath the platen, and shiftable along it to guide linear reflected light from a document to the first and second photoreceptors. During a moving-document data-capture mode, the scanning unit is disposed in a data-capture position established at one edge of the platen to scan a document being conveyed, and when in a still-original data-capture mode, it is shifted from along the platen's opposite edge toward the one edge thereof to scan a stationary document.

Abstract translation: 图像捕获设备在静止和移动文档数据捕获模式期间满足高图像分辨率和高速数据捕获的要求。 包括：具有沿着数据捕获副扫描方向排列的第一和第二线性感光体的读取单元，延迟来自第一感光体的输出的延迟电路，以及将延迟的第一感光体输出添加到第二感光体输出的加法电路; 以及扫描单元，其从所述压板的下方照射，并且可沿其移动以将来自文档的线性反射光引导到所述第一和第二感光体。 在移动文档数据捕获模式期间，扫描单元被布置在建立在压板的一个边缘处的数据捕获位置中，以扫描被传送的文档，并且当处于静止原始的数据捕获模式时，它被移位 沿着台板的相对边缘朝向其一个边缘扫描固定的文件。

公开(公告)号：US20090040571A1

公开(公告)日：2009-02-12

申请号：US12187372

申请日：2008-08-06

Applicant: Koji Yasuzaki

Inventor： Koji Yasuzaki

IPC: H04N1/04

CPC classification number: H04N1/047 ,  H04N1/00904 ,  H04N1/00912 ,  H04N1/00928 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/044

Abstract: An image-reading apparatus and method for controlling the image-reading apparatus including a document plate where an original document is placed, a line image sensor that reads an image on the document plate by scanning to obtain image data, a reference-setting image that is placed outside a region of the document plate at a position where the line image sensor is able to read the reference-setting image, and a control unit configured to set a reference position when the image sensor reads the image, wherein the control unit detects the reference-setting image from the image data and, depending on a power-on state of the image-reading apparatus, selects the manner in which the reference position is set based on the reference-setting image.

Abstract translation: 一种图像读取装置和方法，用于控制图像读取装置，包括放置原始文件的原稿板，通过扫描读取文件板上的图像以获得图像数据的线形图像传感器;基准设定图像， 放置在文件板的区域的外侧，在线图像传感器能够读取基准设定图像的位置，以及控制单元，被配置为在图像传感器读取图像时设定基准位置，其中，控制单元检测 来自图像数据的参考设定图像，并且根据图像读取装置的通电状态，基于参考设定图像选择设定基准位置的方式。

公开(公告)号：US20080144137A1

公开(公告)日：2008-06-19

申请号：US11612135

申请日：2006-12-18

Applicant: Kevin Youngers ,  Ted A. Smith

Inventor： Kevin Youngers ,  Ted A. Smith

IPC: H04N1/46

CPC classification number: H04N1/4076 ,  H04N1/00002 ,  H04N1/00018 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/00681 ,  H04N1/00748 ,  H04N2201/044

Abstract: Embodiments of a method performed by an image capture device are provided. The method includes performing a calibration operation on a photosensor array of the image capture device using a background surface with a substantially uniform grey color and performing a scan operation to capture a scanned image from a medium using the background surface.

Abstract translation: 提供了由图像捕获装置执行的方法的实施例。 该方法包括使用具有基本上均匀灰色的背景表面对图像捕获装置的光电传感器阵列执行校准操作，并且执行扫描操作以使用背景表面从介质捕获扫描图像。

公开(公告)号：US20080137107A1

公开(公告)日：2008-06-12

申请号：US11873967

申请日：2007-10-17

Applicant: Hiroyuki Futami

Inventor： Hiroyuki Futami

IPC: G06K15/00 ,  H04N1/053 ,  H04N1/403 ,  H04N1/50

CPC classification number: H04N1/121 ,  H04N1/123 ,  H04N1/125 ,  H04N1/193 ,  H04N1/401 ,  H04N2201/0081 ,  H04N2201/044

Abstract: An image reading apparatus for reading an image on an original document by irradiating it with light and photoelectrically converting reflected light from it by an image pickup unit, including: an original document guide member positionable opposite to the image pickup unit, with a conveyance position of the original document therebetween; a white reference member that is positionable, the same as the original document guide member, and has a reference white color; an achromatic constant-density reference member that is positionable, the same as the original document guide member, and has a reference achromatic constant-density; a drive unit that moves one of the three members so as to be positioned opposite to the image pickup unit; and a control unit that controls execution of detection processings for dust detection from data obtained by moving, as described above, the achromatic constant-density reference member and the white reference member by reading them.

Abstract translation: 一种用于通过用光照射原稿并通过图像拾取单元对其反射光进行光电转换来读取原稿上的图像的图像读取装置，包括：与图像拾取单元相对定位的原稿引导构件， 其间的原始文件; 与原稿文件引导构件相同的可定位的白色基准构件，具有基准白色; 与原稿引导构件相同的可定位的消色差恒定基准构件，具有基准消色差恒定密度; 驱动单元，其使所述三个构件中的一个移动以与所述图像拾取单元相对定位; 以及控制单元，其通过读取它们，如上所述，通过移动获得的数据来控制对灰尘检测的检测处理的执行，所述数据通过读取消除无色恒定浓度参考构件和白色参考构件。

公开(公告)号：US20080055676A1

公开(公告)日：2008-03-06

申请号：US11925206

申请日：2007-10-26

Applicant: Mitsuhiro SUGETA ,  Kenji HIROMATSU

Inventor： Mitsuhiro SUGETA ,  Kenji HIROMATSU

IPC: H04N1/04

CPC classification number: H04N1/4076 ,  H04N1/1017 ,  H04N1/1215 ,  H04N1/191 ,  H04N2201/044

Abstract: An object of this invention is to suppress a decrease in reading efficiency while preventing image degradation. To achieve this object, an image reading apparatus includes a light source which illuminates an object, a sensor which photoelectrically converts light reflected by the object and reads information on the object, a first density reference member which serves as a reference for correcting an image signal obtained by reading an original by the sensor, a second density reference member which is different from the first density reference member, a comparison unit which compares the second signal obtained by reading the second density reference member by the sensor and the third signal obtained by reading again the second density reference member by the sensor, and a correction unit which corrects the image signal on the basis of the first signal obtained by reading the first density reference member by the sensor, and the comparison result of the comparison device.

Abstract translation: 本发明的一个目的是在防止图像劣化的同时抑制读取效率的降低。 为了实现该目的，图像读取装置包括照射物体的光源，对由物体反射的光进行光电转换并对物体进行信息读取的传感器，作为校正图像信号的基准的第一密度参照部件 通过由传感器读取原稿获得的第二密度参考构件，与第一密度参考构件不同的第二密度参考构件;比较单元，其将通过读取第二密度参考构件获得的第二信号与通过读取获得的第三信号进行比较; 由传感器再次设置第二密度参考构件，以及校正单元，其基于通过由传感器读取第一密度参考构件获得的第一信号和比较装置的比较结果校正图像信号。

公开(公告)号：US20070223061A1

公开(公告)日：2007-09-27

申请号：US11689115

申请日：2007-03-21

Applicant: Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

Inventor： Jun Tanaka ,  Takashi Machida ,  Shinobu Kato ,  Keiji Tsutaoka ,  Taketo Ochiai ,  Tetsurou Ishikawa

IPC: H04N1/04

CPC classification number: H04N1/203 ,  H04N1/2034 ,  H04N2201/044

Abstract: An image reading apparatus which is capable of performing accurate shading correction with simple arrangement while preventing a reference member from being scratched and paper powder and the like dust from being deposited on the reference member. The image reading apparatus comprises an image reading unit. In the image reading unit, a contact glass guides an original on an image reading location. The contact glass is held by a glass holding member. A line image sensor reads the image on the original conveyed on the image reading location, through the contact glass. The image reading unit further comprises a reference member whose image is readable by the image sensor, and a moving mechanism to move the image sensor so as to enable the image sensor to alternatively read the original and a reference surface of the reference member.

Abstract translation: 一种能够以简单的布置进行精确的阴影校正的图像读取装置，同时防止参考构件被划伤，并且纸粉等类似的灰尘沉积在基准构件上。 图像读取装置包括图像读取单元。 在图像读取单元中，接触玻璃将图像引导到图像读取位置。 接触玻璃由玻璃保持构件保持。 线形图像传感器通过接触玻璃读取图像读取位置上传送的原稿上的图像。 图像读取单元还包括其图像可由图像传感器读取的参考构件和移动机构，以移动图像传感器，以使得图像传感器能够交替地读取原稿和参考构件的参考表面。