公开(公告)号：US20080055674A1

公开(公告)日：2008-03-06

申请号：US11513742

申请日：2006-08-31

申请人： Michael John Wilsher ,  Robert P. Herloski ,  Douglas E. Proctor ,  John C. Juhasz ,  Eugene A. Rogalski

发明人： Michael John Wilsher ,  Robert P. Herloski ,  Douglas E. Proctor ,  John C. Juhasz ,  Eugene A. Rogalski

IPC分类号： H04N1/04

CPC分类号： H04N1/02815 ,  H04N1/02865 ,  H04N1/02895

摘要： A scanning apparatus includes an illuminator for illuminating a portion of a document to be scanned. The illuminator includes an array of discrete light sources and an optical element. The optical element includes a light-transmissive material and defines a focusing portion and an angular modification portion. The angular modification portion tends to reduce specular flare by modifying the angular distribution of light from the light sources which are within the acceptance angle of a lens arrangement which focuses light from the document onto a sensor.

摘要翻译： 扫描装置包括用于照亮待扫描文件的一部分的照明器。 照明器包括离散光源阵列和光学元件。 光学元件包括透光材料并且限定聚焦部分和角度修改部分。 角修改部分倾向于通过修改来自光源的光的角度分布来减少镜面光斑，所述角度分布在将光从文档聚焦到传感器上的透镜装置的接受角度内。

公开(公告)号：US20080173799A1

公开(公告)日：2008-07-24

申请号：US11657182

申请日：2007-01-24

申请人： Robert P. Herloski ,  Jagdish C. Tandon ,  Douglas E. Proctor ,  Stephen J. Wenthe ,  Eugene A. Rogalski ,  Jeffrey L. Baniak ,  Paul A. Hosier

发明人： Robert P. Herloski ,  Jagdish C. Tandon ,  Douglas E. Proctor ,  Stephen J. Wenthe ,  Eugene A. Rogalski ,  Jeffrey L. Baniak ,  Paul A. Hosier

IPC分类号： H01J3/14 ,  H01J40/14 ,  H01J5/16

CPC分类号： G02B19/0066 ,  G02B19/0028 ,  H04N1/02815 ,  H04N1/02865

摘要： An apparatus for recording an image on a sheet comprises a linear array of light sources and an optical element for transmitting light emitted from the light sources. The optical element comprises a light-transmissive member, having an entry surface for disposal near the light sources. The entry surface defines at least one set of prisms. The optical element can further define a DCPC (dielectric compound parabolic concentrator) in cross-section. Collection optics, such as a SELFOC® lens, receives light reflected from the sheet. Each prism of the optical element defines an angle whereby light exiting the optical element is outside the acceptance angle of the collection optics.

摘要翻译： 用于在片材上记录图像的装置包括光源的线性阵列和用于透射从光源发射的光的光学元件。 光学元件包括透光构件，具有用于在光源附近处置的入口表面。 进入表面限定至少一组棱镜。 光学元件可以进一步限定DCPC（介电复合抛物面聚光器）的横截面。 收集光学元件，例如SELFOC（R）透镜）接收从片材反射的光。 光学元件的每个棱镜限定了一个角度，由此离开光学元件的光在收集光学器件的接收角之外。

公开(公告)号：US20080151319A1

公开(公告)日：2008-06-26

申请号：US11641731

申请日：2006-12-20

申请人： Eugene A. Rogalski ,  Roger Triplett

发明人： Eugene A. Rogalski ,  Roger Triplett

IPC分类号： H04N1/00

CPC分类号： H04N1/4095 ,  H04N1/407

摘要： A method for removing show-through defects in scanned document images is provided by adjusting the scanner's image sensor calibration gain in the area of a drive roll gap. The method will also compensate for drive roll contamination. The invention uses a modified calibration scheme in conjunction with a document transmission sensor in the document handler to measure radiant energy transmitted through the document, i.e., transmission. The scanner adjusts the calibration gain factors to simulate a uniform background with knowledge of the gap and the input document's transmission thus a uniform scanner response is determined and presented to the image processing. A device for carrying out the method is also provided.

摘要翻译： 通过调整驱动辊间隙区域中扫描仪的图像传感器校准增益，可以提供扫描文档图像中的显示缺陷的方法。 该方法还将补偿驱动辊污染。 本发明使用经修改的校准方案结合文件处理器中的文件传输传感器来测量通过文件传输的辐射能量，即传输。 扫描仪调整校准增益因子以模拟具有差距和输入文档传输知识的均匀背景，因此确定均匀的扫描器响应并呈现给图像处理。 还提供了一种用于执行该方法的装置。