System for scanning bar code symbols on moving articles using a camera and scanner
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United States of America Patent
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-
Jun 11, 1996
Issued Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Oct 21, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for scanning bar code symbols on articles moving at a given speed senses an article at a predetermined location and determines an orientation of a bar code symbol on the article using an imaging camera. In response to determinations of a symbol location, orientation, size or type, the scanning system adjusts a scanning speed, shape and/or orientation of the light beam pattern and a location of the light beam pattern. The resulting light beam is directed at the bar code symbol location and a signal corresponding to the reflected light beam portion is generated. If the decode is not valid, the bar code symbol is rescanned.
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Cited Art Landscape
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