Method of accelerating the speed of scanning an image that does not occupy an entire CCD strip of cells
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United States of America Patent
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app pub date -
Jul 9, 2004
filing date -
Feb 5, 2002
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Abandoned
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Abstract
A method of accelerating the speed of scanning an image that does not occupy an entire CCD strip of cells comprises: centering the image on the strip such that the non-used area of said strip is distributed on either side of the effective area, reducing, e.g., by masking, the light intensity in the non-used areas of the strip, such that, with each cycle, the charge stored by the storage capacitors is less than half of the available capacity; and, with each cycle, reading a number of cells that is equal to that of the sum of the cells in the effective area and those from one of the two lateral areas. The method is suitable for use in scanning film images that can take various formats.
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