Technetium-99m complexes with N-substituted 3-hydroxy-4-pyridinones
    1.
    发明授权
    Technetium-99m complexes with N-substituted 3-hydroxy-4-pyridinones 失效
    锝-99m配合物与N-取代的3-羟基-4-吡啶酮

    公开(公告)号:US5336482A

    公开(公告)日:1994-08-09

    申请号:US804315

    申请日:1991-12-05

    摘要: Disclosed are cationic complexes of Tc-99m and ligands having the structure: ##STR1## wherein: R.sup.1 is hydrogen or is selected from the group consisting of C.sub.1 to C.sub.20 alkyl; C.sub.3 to C.sub.12 cycloalkyl; C.sub.7 to C.sub.24 aralkyl; C.sub.2 to C.sub.16 alkyl ethers, thioethers, ketones or esters; C.sub.7 to C.sub.27 aralkyl ethers;R.sup.2 is hydrogen or is a C.sub.1 to C.sub.4 lower alkyl radical selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl and tert-butyl.

    摘要翻译: 公开了Tc-99m的阳离子络合物和具有以下结构的配体:其中:R 1是氢或选自C 1至C 20烷基; C3至C12环烷基; C7至C24芳烷基; C2至C16烷基醚,硫醚,酮或酯; C7至C27芳烷基醚; R2是氢或是选自甲基,乙基,丙基,异丙基,丁基,异丁基,仲丁基和叔丁基的C1-C4低级烷基。

    Multiple function calibration for document scanner
    3.
    发明授权
    Multiple function calibration for document scanner 失效
    文档扫描仪的多功能校准

    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

    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。