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How does a bar code reader work in reading a bar code?
A barcode reader works by directing a laser across the bar code and measuring the amount of light that is reflected back to its photosensors. A scanner, imager or reader will act just like any other...
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What does the bar code reader signify?
What a bar code reader is requires an understanding of the amount of information contained in the Bar code itself. Simply the amount of information is huge. All a reader will do is use a LASER beam...
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Who invented the bar code reader?
In 1948, Bernard Silver was a graduate student at Drexel Institute of Technology in Philadelphia. A local food chain store owner had made an inquiry to the Drexel Institute asking about research into...
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What is the bar code reader used for?
I actually worked at a retail store for many years. When we implemented our bar code readers it was to read UPC codes of products. Our computer system would recognize the UPC and be able to then give...
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Advantages of bar-code reader?
There are numerous advantages to the use of a bar code. The primary two are speed and accuracy. A bar code reader can decipher the code in just thousandths of a second and transmit it with near...