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Video: How Barcode Scanners Work

Did you ever wonder how a scanner reads a barcode? There’s a lot of science and engineering behind that red beam of light. The basic principle of a scanner is to analyze an image and process it in some way. Image and text capture (optical character recognition or OCR) allow you to save information to a file on your computer.

But how is all of that done with a laser beam. Watch this 3 minute Science Channel video that explains what goes on inside a scanner to make tracking data so easy for you.

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  1. […] While we discuss barcodes and barcode scanning all the time, we rarely take a moment to analyze how the technology we love so much truly works. I recently came across an excellent video detailing the science behind how a barcode scanner works. […]

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