The design of bar code scanners has steadily improved scanning performances over the past twenty years. Changes in scan patterns, improvements in decode algorithms, and design features of the hardware user interface have resulted in scanners that are ergonomically superior both in biomechanics and overall performance. This study reviewed scanner performance and technological developments, and compare these to changes in packaging designs. The results showed that future innovations in scanner design will have minimal impact on improving throughput and the accuracy of data captured because of package design and bar code placement.
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