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    • 8. 发明申请
    • MEDIA SCANNER
    • 媒体扫描仪
    • WO01017225A1
    • 2001-03-08
    • PCT/IB2000/001160
    • 2000-08-23
    • H04N1/107H04N1/04H04N1/047H04N1/12H04N1/193
    • H04N1/0473H04N1/12H04N1/193H04N2201/0096H04N2201/02439H04N2201/0422H04N2201/04712H04N2201/04715H04N2201/04734H04N2201/04737H04N2201/04756H04N2201/04794
    • A media scanner (200) scans information disposed on a media (214) such as a business card or envelope. The media scanner (200) requires no moving parts and may be incorporated in a portable, hand held, battery powered information handling system such as an electronic address book or personal digital assistant. The scanner includes a scanning element such as a linear CCD (210) element for scanning the information stored on the medium, which is converted into a graphical image or text file. As the medium is fed past the scanning element, a detector detects the movement of the medium as the medium is fed through the scanner. Any variation of the movement of the medium, for example due to inconsistent movement or pausing caused by hand scanning, etc., is detected by detector (212), and scanning is executed according to the detected movement so that optimal scanning is maintained. The accommodation of the varying movement of the medium past the scanning element thereby minimizes or eliminates any errors or artefacts in the resulting scanned information (e.g., skewing) that would otherwise be caused by variable scanning movement. The detector may include an array of light detecting elements such as photodiodes or phototransistors, light detecting resistors, etc. such that light blocked from the array by the medium may be detected as a movement signal proportional to the movement of the medium. The detector may be utilized to determine the rate (relative scanning) or the position (absolute scanning) of the medium during scanning.
    • 媒体扫描器(200)扫描布置在例如名片或信封的介质(214)上的信息。 媒体扫描器(200)不需要移动部件,并且可以并入便携式,手持式电池供电的信息处理系统,例如电子地址簿或个人数字助理。 扫描器包括扫描元件,例如用于扫描存储在介质上的信息的线性CCD(210)元件,其被转换成图形图像或文本文件。 当介质被馈送通过扫描元件时,当介质通过扫描仪进给时,检测器检测介质的移动。 通过检测器(212)检测介质的运动的任何变化,例如由于手扫描引起的运动或暂停不一致等,并且根据检测到的运动执行扫描,从而保持最佳的扫描。 介质经过扫描元件的变化运动的调节从而最小化或消除了否则将由可变扫描运动引起的所得到的扫描信息中的任何误差或伪像(例如偏斜)。 检测器可以包括诸如光电二极管或光电晶体管的光检测元件的阵列,光检测电阻等,使得可以将由介质阻挡的阵列的光检测为与介质的移动成比例的运动信号。 检测器可用于确定扫描期间介质的速率(相对扫描)或位置(绝对扫描)。
    • 10. 发明申请
    • MULTIPLE-HEAD PHOSPHOR SCREEN SCANNER
    • 多头荧光屏扫描仪
    • WO0019477A2
    • 2000-04-06
    • PCT/US9922104
    • 1999-09-23
    • PHORMAX CORP
    • CANTU GARYEVANS WAYNELEWIS TODDRAWSON ERIC GANDERSON PERRY Q
    • H04N1/10H04N1/12H01J
    • H04N1/129H04N1/10H04N1/12H04N2201/0424
    • A multiple-head scanning device (20) for reading an image stored on a photostimulable phosphor storage screen (10), comprising, a rotatable frame having a center (13) and an outer perimeter (15); a photomultiplier tube (40) mounted to the rotatable frame at a location proximal the center (13) of the rotatable frame; a plurality of radially extending optical trains (12) mounted to the rotatable frame at 120 degrees to one another, each optical train (12) configured to direct incident laser light towards phosphor storage screen (10) and to direct response radiation emitted by phosphor storage (10) screen in response to the incident laser light towards the photomultiplier tube (40).
    • 一种用于读取存储在可光激励的荧光体储存屏(10)上的图像的多头扫描装置(20),包括:具有中心(13)和外周边(15)的可旋转框架; 光电倍增管(40),其安装在可旋转框架的中心(13)附近的位置处的可旋转框架上; 多个径向延伸的光学系列(12),所述光学系列以彼此120度的角度安装到所述可旋转框架,每个光学系统(12)配置成将入射激光导向荧光体存储屏幕(10)并且引导由磷光体存储 (10)屏幕响应入射到光电倍增管(40)的激光。