公开(公告)号：US20090219584A1

公开(公告)日：2009-09-03

申请号：US12039101

申请日：2008-02-28

Applicant: Thomas INGENDOH

Inventor： Thomas INGENDOH

IPC: H04N1/04

CPC classification number: H04N1/047 ,  H04N1/02865 ,  H04N1/12 ,  H04N1/192 ,  H04N2201/04767

Abstract: The present subject matter relates to methods and systems for scanning documents, wherein the on and off times of an LED light source are controlled proportionally to the line sync rate of the scanner, allowing the gain value applied to an image sensor output to be fixed, and thereby eliminating the need to recalibrate the scanner each time the line sync rate is changed. This allows the LED light source to provide appropriate illumination for imaging devices, without saturation of the A/D and without color shift when scanning at different line sync rates. The LEDs are turned on during each line scan period for a set, predetermined amount of time, and then are turned off for the remaining duration of the line scan period, regardless of the line sync rate.

Abstract translation: 本主题涉及用于扫描文件的方法和系统，其中LED光源的接通和关闭时间与扫描仪的线同步速率成比例地被控制，允许施加到图像传感器输出的增益值被固定， 从而消除了每当线路同步速率改变时重新校准扫描仪的需要。 这允许LED光源为成像装置提供适当的照明，而在不同的线同步速率扫描时，不会影响A / D的饱和度并且不会产生色偏。 在每个行扫描周期期间，LED在预定的一段时间内被接通，然后在线扫描周期的剩余持续时间内被关闭，而与行同步速率无关。

公开(公告)号：US20090027737A1

公开(公告)日：2009-01-29

申请号：US12060596

申请日：2008-04-01

Applicant: Thomas INGENDOH

Inventor： Thomas INGENDOH

IPC: H04N1/04

CPC classification number: G06K9/209 ,  H04N1/00002 ,  H04N1/00018 ,  H04N1/00047 ,  H04N1/00087 ,  H04N1/12 ,  H04N2201/0432 ,  H04N2201/044 ,  H04N2201/0448 ,  H04N2201/04715

Abstract: The present scanning device and related method relate to reversibly positioning markers in respective overlapping areas, where the markers are arranged in the scanning device. A control device makes x-y-position correction of a camera on the basis of a known position and a known outline of the markers. The markers are deviated and displaced from a neutral position outside scanning areas of the camera into the overlapping areas.

Abstract translation: 本扫描装置及相关方法涉及将标记可逆地定位在相应重叠区域中，其中标记被布置在扫描装置中。 控制装置基于已知位置和标记的已知轮廓来进行相机的x-y位置校正。 标记从相机的扫描区域外的中立位置偏离并移位到重叠区域。