| 摘要 |
Featured is a method for driving a CCD imaging device, including a plurality of photodetector columns each including a vertical array of photodetectors, a plurality of vertical CCDs, and a horizontal CCD, in a monitoring mode where only the signal charges from some of the photodetectors are used. The method includes reading a first signal charge from any one of said some photodetectors into a corresponding first packet of a corresponding one of the vertical CCDs, dividing the first signal charge in the first packet into smaller portions and placing one or more of the signal charge portions of the first signal charge into one or more second empty packets of the corresponding one of the vertical CCDs, and vertically transferring the signal charge portions in the first and the one or more second packets by the total number of the first and second packets.
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