公开(公告)号：US06947187B2

公开(公告)日：2005-09-20

申请号：US09866015

申请日：2001-05-24

Applicant: Paul K. Mui ,  Eric L. Andersen ,  Russell A. Mendenhall

Inventor： Paul K. Mui ,  Eric L. Andersen ,  Russell A. Mendenhall

IPC: H04N1/12 ,  H04N1/193 ,  H04N1/04 ,  H04N1/40

CPC classification number: H04N1/00909 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/044

Abstract: An apparatus and method for calibrating a scanner connected to a document feeder are provided. In one embodiment, the apparatus includes a calibration strip attached to a rotatable wheel assembly disposed within the document feeder. A cam is provided to rotate the wheel assembly and expose the calibration strip to the field of view of a head assembly of the scanner for calibration. The cam is configured to then rotate the wheel assembly in the opposite direction, so that the calibration strip is no longer exposed to the head assembly. A cleaning blade may be provided to wipe the calibration strip as it is moved to its non-exposed position.

Abstract translation: 提供了用于校准连接到文件馈送器的扫描仪的装置和方法。 在一个实施例中，该装置包括附接到设置在文件进给器内的可旋转轮组件的校准条。 提供凸轮以旋转车轮组件并将校准带暴露于用于校准的扫描器的头部组件的视场。 凸轮被配置成随后沿相反方向旋转车轮组件，使得校准带不再暴露于头部组件。 可以提供清洁刮刀以在校准条移动到其未暴露位置时擦拭校准条。

公开(公告)号：US20050174611A1

公开(公告)日：2005-08-11

申请号：US11101409

申请日：2005-04-08

Applicant: Michiaki Konno

Inventor： Michiaki Konno

IPC: H04N1/10 ,  H04N1/193 ,  H04N1/40 ,  H04N1/04

CPC classification number: H04N1/0287 ,  H04N1/00411 ,  H04N1/1013 ,  H04N1/193 ,  H04N1/40056 ,  H04N2201/044

Abstract: A cold-cathode ray tube is adopted as an exposure lamp and the exposure lamp is always lit. When the exposure lamp exists at a standby position, a light of the exposure lamp is irradiated at a lower surface side of a control panel. By this irradiation, the liquid crystal display section of the control panel is irradiated in a state of looking bright and clear.

公开(公告)号：US06822763B2

公开(公告)日：2004-11-23

申请号：US09745139

申请日：2000-12-20

Applicant: Daniel L. Morris ,  Christopher J. Spencer ,  Michael J. Poirier ,  Timothy G. Shelhart

Inventor： Daniel L. Morris ,  Christopher J. Spencer ,  Michael J. Poirier ,  Timothy G. Shelhart

IPC: H04N2100

CPC classification number: H04N1/0071 ,  H04N1/00795 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/044

Abstract: A compact structure and rapid method for calibrating a document scanner provides for a substantially cylindrical calibration casing having a central axis and an outer surface, with a brightness calibration section of the outer surface encompassing a portion of the circumference of the outer surface, a document width detection segment encompassing a second portion of the circumference of the outer surface, and a document backer element encompassing a third segment of the circumference of the outer surface of the casing. A driver selectively positions the casing in different rotational positions in which the different segments of the outer surface of the cylinder face the optical element of the scanner.

Abstract translation: 用于校准文件扫描仪的紧凑结构和快速方法提供了具有中心轴线和外表面的基本上圆柱形的校准壳体，外表面的亮度校准部分包围外表面圆周的一部分，原稿宽度 检测段，其包围外表面的圆周的第二部分，以及包围外壳的外表面的圆周的第三段的文件支撑元件。 驱动器选择性地将壳体定位在不同的旋转位置，其中气缸的外表面的不同段面向扫描仪的光学元件。

公开(公告)号：US20040125420A1

公开(公告)日：2004-07-01

申请号：US10330184

申请日：2002-12-30

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Kazuyoshi Tsutsumi

IPC: H04N001/04

CPC classification number: H04N1/0005 ,  H04N1/00002 ,  H04N1/00087 ,  H04N1/00092 ,  H04N1/00909 ,  H04N1/121 ,  H04N1/193 ,  H04N2201/0416 ,  H04N2201/044

Abstract: An image reading apparatus is provided which is capable of preventing abnormal lines from being generated on an image read out from an original document even if there is more or less dirt attached to a reading glass exclusively used for reading ADF original documents. In an image reading apparatus 100 of the present invention, in case of dirt adhering to a reading glass 11, when an original document 13 being sent to a document reading position PW by a transportation part 12 of an automatic document feeder 10 is being read by a scanning carriage 23 through the reading glass 11, abnormal densities appear in pixel data of positions corresponding to the dirt among the readout pixel data. However, a control part 30 of the image reading apparatus 100 nullifies the pixel data of abnormal densities, and compensates for the nullified pixel data based on their surrounding pixel data. As a result, even when dirt adheres to the reading glass, there can be created an excellent image with no missing pixel without appearance of any abnormal black line.

Abstract translation: 提供了一种图像读取装置，其能够防止从原始文档读出的图像上产生异常线，即使附着到专用于读取ADF原始文档的阅读玻璃上的污垢更多或更少。 在本发明的图像读取装置100中，在附着于读数玻璃11的情况下，当通过自动供纸装置10的输送部12向原稿读取位置PW发送的原稿13被正在读取时 通过阅读玻璃11的扫描滑架23，在读出像素数据中的与污物对应的位置的像素数据中出现异常密度。 然而，图像读取装置100的控制部分30使异常密度的像素数据无效，并且基于其周围的像素数据补偿无效像素数据。 结果，即使污垢附着在读数玻璃上，也可以形成没有丢失像素的优异图像，而不会出现异常黑线。

公开(公告)号：US06744469B1

公开(公告)日：2004-06-01

申请号：US09459555

申请日：1999-12-13

Applicant: John C. Gudenburr ,  William L. Kozlowski ,  Christopher N. St. John ,  John D. Vala

Inventor： John C. Gudenburr ,  William L. Kozlowski ,  Christopher N. St. John ,  John D. Vala

IPC: H04N5222

CPC classification number: H04N1/40006 ,  H04N1/028 ,  H04N1/02865 ,  H04N1/02885 ,  H04N1/40056 ,  H04N5/235 ,  H04N2201/044

Abstract: A method and system provide for real-time compensation of an imaging system for variations in illumination intensity. An illumination system provides reflected illumination, and a charge coupled device system directly detects the reflected illumination from the illumination system. The CCD system then converts the reflected illumination into illumination data and a host processor converts the illumination data into adjusted control data and final image data. The adjusted control data is based on an illumination profile and a reference illumination intensity. The reference illumination intensity is measured before each document with a compensation reference, and is compared to the illumination profile to adjust control parameters in a real-time mode. Directly measuring the illumination intensity with the CCD system allows for a reduction in parts, manufacturing steps, and errors.

Abstract translation: 一种方法和系统为成像系统实时补偿照明强度的变化。 照明系统提供反射照明，并且电荷耦合器件系统直接检测来自照明系统的反射照明。 然后，CCD系统将反射的照明转换成照明数据，并且主机处理器将照明数据转换成调节的控制数据和最终的图像数据。 经调整的控制数据基于照明轮廓和参考照明强度。 在具有补偿参考的每个文档之前测量参考照明强度，并将其与照明轮廓进行比较以在实时模式中调整控制参数。 使用CCD系统直接测量照明强度可以减少零件，制造步骤和错误。

公开(公告)号：US20030214680A1

公开(公告)日：2003-11-20

申请号：US10436384

申请日：2003-05-12

Inventor： Mitsuhiro Sugeta ,  Kenji Hiromatsu

IPC: H04N001/04 ,  H04N001/40

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：US20030098996A1

公开(公告)日：2003-05-29

申请号：US10305081

申请日：2002-11-26

Inventor： Richard Lehman ,  Lee Batchelder

IPC: G06K011/06 ,  H04N001/04

CPC classification number: H04N1/0287 ,  H04N1/0402 ,  H04N1/0405 ,  H04N1/0429 ,  H04N1/10 ,  H04N1/193 ,  H04N2201/0404 ,  H04N2201/0412 ,  H04N2201/0418 ,  H04N2201/044

Abstract: A digitizer having an illuminator with a mask configured to rotate about a central axis for reducing flare from the illuminator when digitizing a data medium having a width less than an associated length of the illuminator. A page width guide of the digitizer may be operatively coupled to the mask so that movement of the page width guide automatically rotates the mask a predetermined amount. A rare gas, external electrode, cold cathode fluorescent lamp may also be utilized as an illuminator in the digitizer.

Abstract translation: 一种数字化仪，具有一个具有掩模的照明器，该照明器被配置为围绕中心轴线旋转，以便当数字化具有小于照明器相关联的长度的宽度的数据介质时，减少来自照明器的光斑。 数字转换器的页面宽度引导件可以可操作地耦合到掩模，使得页面宽度引导件的移动自动地将掩模旋转预定量。 稀有气体，外部电极，冷阴极荧光灯也可用作数字化仪中的照明器。

公开(公告)号：US20030043418A1

公开(公告)日：2003-03-06

申请号：US09942698

申请日：2001-08-31

Applicant: TOSHIBA TEC KABUSHIKI

Inventor： Kazuyoshi Tsutsumi

IPC: H04N001/36 ,  H04N001/04

CPC classification number: H04N1/1013 ,  H04N1/0464 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/044 ,  H04N2201/046

Abstract: An image reading device is operable in a manually placed document reading mode offered by a manually placed document reading section and an ADF document reading mode offered by an ADF document reading section. Reading mode detecting section detects in which mode of the manually placed document reading mode and the ADF document reading mode a document to be read is in. First reading-speed setting section sets a reading speed of the ADF document reading section to a predetermined reading speed, upon detection by the reading mode detecting means that the document to be read is in the ADF document reading mode. Second reading-speed setting section sets a reading speed of the manually placed document reading section to a predetermined reading speed sufficient to reduce image vibration caused by reading by the manually placed document reading section, upon detection by the reading mode detecting section that the document to be read is in the manually placed document reading mode.

Abstract translation: 图像读取装置可以由手动放置的文件读取部分提供的手动放置的文档读取模式和由ADF文档读取部分提供的ADF文档读取模式操作。 读取模式检测部分检测手动放置的文档读取模式和待读取的文档的ADF文档读取模式的哪个模式。第一读取速度设置部分将ADF文档读取部分的读取速度设置为预定的读取速度 通过读取模式检测装置检测到要读取的文档处于ADF文档读取模式。 第二读取速度设置部分将手动放置的文档读取部分的读取速度设置为预定的读取速度，其足以减少由手动放置的文档读取部分读取引起的图像振动，在读取模式检测部分检测到文档到 被读取在手动放置的文档读取模式。

公开(公告)号：US20030038994A1

公开(公告)日：2003-02-27

申请号：US09932950

申请日：2001-08-21

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Michiaki Konno

IPC: H04N001/46

CPC classification number: H04N1/0287 ,  H04N1/00411 ,  H04N1/1013 ,  H04N1/193 ,  H04N1/40056 ,  H04N2201/044

Abstract: A cold-cathode ray tube is adopted as an exposure lamp and the exposure lamp is always lit. When the exposure lamp exists at a standby position, a light of the exposure lamp is irradiated at a lower surface side of a control panel. By this irradiation, the liquid crystal display section of the control panel is irradiated in a state of looking bright and clear.

Abstract translation: 采用冷阴极射线管作为曝光灯，曝光灯始终亮起。 当曝光灯存在于待机位置时，在控制面板的下表面侧照射曝光灯的光。 通过这种照射，控制面板的液晶显示部分以明亮清晰的状态照射。

公开(公告)号：US20020126299A1

公开(公告)日：2002-09-12

申请号：US09767216

申请日：2001-01-22

Applicant: Xerox Corporation

Inventor： Wayne A. Buchar ,  Ramesh Nagarajan ,  Ralph H. Huedepohl ,  Wooi L. Yeoh ,  Robert P. Herloski ,  Thomas C. McGraw ,  William M. Harney ,  Jeffrey L. Baniak

IPC: B41J001/00 ,  G06K001/00

CPC classification number: H04N1/00734 ,  H04N1/00748 ,  H04N1/0075 ,  H04N1/1215 ,  H04N1/193 ,  H04N1/40 ,  H04N2201/044

Abstract: A system and method for determining the registration parameters necessary for registration or edge detection processing to enable the flexibility of changing the color of backing to suit a given application. The method includes scanning the backing surface to obtain at least two sets of gray level values; (b) determining an average gray level for each of the two color channels; (c) selecting a registration channel based on the average gray level; (d) determining a gray level deviation for the registration channel; and (e) determining registration parameters based on the average gray level and the gray level deviation of the registration channel.

Abstract translation: 一种用于确定登记或边缘检测处理所需的登记参数以使得能够灵活地改变背景颜色以适应给定应用的系统和方法。 该方法包括扫描背衬表面以获得至少两组灰度值; （b）确定两个颜色通道中的每一个的平均灰度级; （c）基于平均灰度级选择注册信道; （d）确定登记信道的灰度级偏差; 和（e）基于登记信道的平均灰度级和灰度级偏差确定登记参数。