Dynamic image recording system with superimposition movement during scanning movement for momentary image stopping and method
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jun 25, 2009
app pub date -
Jan 21, 2009
filing date -
Jul 25, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a measuring system comprising an optical image recording system and a relative movement between the measured object and the image recording system, it is provided that the focal point (F) of the image recording system (3) be allowed to oscillate in scanning direction in order to generate—by superimposition of the oscillation movement of the focal point with the scanning movement—image recording intervals, during which the focal point (F) stops on the surface of the measured object (2) or, correspondingly, the image projected on the camera chip (7) stops on the camera chip. This preferably occurs during a steady unaccelerated relative movement between the measured object and the image recording system. Blurring of the edges of the images is avoided despite relatively long exposure times and moderate illumination intensities.
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