公开(公告)号：US5412468A

公开(公告)日：1995-05-02

申请号：US28515

申请日：1993-03-09

申请人： Peter L. Lundberg ,  Michael I. Crockett ,  David H. Tracy

发明人： Peter L. Lundberg ,  Michael I. Crockett ,  David H. Tracy

IPC分类号： G01J3/28 ,  G01J3/36 ,  G01J3/32

CPC分类号： G01J3/2803 ,  G01J3/027

摘要： Spectral bands are grouped for data acquisition in a spectrophotometer with a charge-coupled detector having a plurality of pixels. Preliminary data is generated on time-integrated radiation to the pixels for a sample. Maximum permitted exposure times for the pixels are calculated from the data and a predetermined maximum exposure. The maximum times are grouped so that for each group the ratio of the highest to the lowest maximum times is less than 100. A group run time is established for each group nominally less than the lowest maximum time in the group. Subgroups are created and ordered so that accumulated readout times for the pixels are less than wait times established to prevent readout contamination from subsequent charge buildup. The spectrophotometer is further operated on the sample for the run time of each group and subgroup to generate spectral data.

摘要翻译： 光谱带被分组用于在具有多个像素的电荷耦合检测器的分光光度计中进行数据采集。 将时间积分辐射产生初步数据给样本的像素。 从数据和预定的最大曝光计算像素的最大允许曝光时间。 最大时间被分组，使得对于每个组，最高到最低最大时间的比率小于100.对于组中名义上小于组中最低最大时间的组，建立组运行时间。 子组被创建和排序，使得像素的累积读出时间小于建立的等待时间，以防止后续电荷累积的读出污染。 分光光度计进一步在样品上运行，用于每组和亚组的运行时间，以产生光谱数据。