Method and device for the stroboscopic recording and reproduction of repetitive processes
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United States of America Patent
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Issued Date -
Jul 24, 2003
app pub date -
Dec 12, 2002
filing date -
Mar 3, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method and to a device for the stroboscopic recording and reproduction of images of a repetitive process (12), especially of moving vocal chords (larynx diagnostics). The aim of the invention is to improve image quality, especially the brightness and definition of the images while requiring little lighting equipment. According to the inventive method, the process (12) to be observed is illuminated with a steady light source (14). Trigger pulses S.sub.Trigger are generated to trigger exposures to record the image information of the process (12) by an image sensor (16). The image information from a plurality of subsequent exposures is added in a back-ground memory of the image sensor (16) to produce image information sums. The image information sums thus obtained are stored in the background memory (18) of the image sensor (16) and the background memory (18) is read and deleted, and the image information sums are processed to give a video signal.
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