Optical code reader including circuitry for processing the symbology
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United States of America Patent
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Jul 17, 2001
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N/A
app pub date -
Jun 17, 1998
filing date -
Jun 17, 1998
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Abstract
An optical detector optically senses a bar code. A multi-bit analog-to-digital converter is responsive to the optical detector to generate a plurality of digital sample values based on the bar code. A bar code detector processes the plurality of digital sample values to generate a plurality of processed values. The bar code detector detects an edge of a bar within the bar code based upon a first local optimum and a second local optimum of the plurality of processed values.
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