System and method for auto focusing an optical code reader

作者: Bradley S. Carlson , Thomas D. Bianculli , Alex Breytman , Edward Hatton , Dmitriy Yavid

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摘要: An optical code reader is provided including imaging circuitry having an array of photo sensing devices capable light incident on the and outputting a plurality pixel signals corresponding to sensed light. The further includes control logic for receiving subset signals, processing received determining if meet at least one predetermined condition, selection signal in accordance with results. A focus analysis software module executable by determines quality signals. selector generates determined Selector selectively enables output selected signal.

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