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公开(公告)号：US06894813B2
公开(公告)日：2005-05-17
申请号：US09761493
申请日：2001-01-16
CPC分类号： H04N1/0312 , H04N1/0315 , H04N1/0318 , H04N1/121 , H04N2201/02406 , H04N2201/02408 , H04N2201/02414 , H04N2201/02427 , H04N2201/02429 , H04N2201/02445 , H04N2201/02449 , H04N2201/02456 , H04N2201/02474 , H04N2201/02479 , H04N2201/02493 , H04N2201/03112 , H04N2201/03141 , H04N2201/03145
摘要： An integrated image module for a document scanner includes a one piece die cast housing having a datum element and a support element. An imaging sensor array is enclosed in the housing. An array bias element urges the imaging sensor array against the datum element to provide accurate placement of the sensor array relative to the housing. A transport mechanism is attached to the housing so that the position of the transport mechanism accurately corresponds to the position of the imaging sensor array. The lens and the lamp for illumination are also attached to the housing so that the primary components of the imaging portion of the scanner are contained in a single module.
摘要翻译： 用于文件扫描器的集成图像模块包括具有基准元件和支撑元件的一体式压铸外壳。 成像传感器阵列封装在外壳中。 阵列偏置元件将成像传感器阵列推向基准元件以提供传感器阵列相对于壳体的精确放置。 传送机构附接到壳体，使得传送机构的位置精确地对应于成像传感器阵列的位置。 透镜和用于照明的灯也附接到壳体，使得扫描仪的成像部分的主要部件被包含在单个模块中。
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公开(公告)号：US06822763B2
公开(公告)日：2004-11-23
申请号：US09745139
申请日：2000-12-20
IPC分类号： H04N2100
CPC分类号： H04N1/0071 , H04N1/00795 , H04N1/12 , H04N1/193 , H04N2201/044
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US06839155B2
公开(公告)日：2005-01-04
申请号：US09761492
申请日：2001-01-16
CPC分类号： H04N1/0071 , H04N1/00681
摘要： A structure and method for improved detection of the edges of a document in a scanner provides for positioning a width detection backer so that it is simultaneously in the field of view of the optical element of the scanner and out of the focal plane of the optical element. A portion of a document is positioned in the optical path between the optical element and the width detection backer and scanned with the optical element. Information from the scanning step is analyzed to identify data indicative of an edge of the document. The out of focus width detection backer, which remains stationary while scanning the document portion presents very little variation in intensity and other data, heightening the contrast between the document and the width detection backer, and reducing the likelihood of erroneously identifying elements of the width detection backer as document edge features.
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