Object sensor system for stationary position optical reader
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Oct 17, 1997
filing date -
Oct 17, 1997
priority date (Note) -
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Abstract
The present invention relates to a system for sensing the presence of an object in the field of view of an imaging assembly of a stationary position optical reader. The system includes a specialized symbol disposed in a stationary position in relation to the imaging assembly of a specially configured optical reader. An optical reader according to the invention is configured to determine whether an object is in the field of view of the imaging assembly and determining whether features of the specialized symbol are present in the image information.
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