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Bar Code Reader

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  • An electronic device used for reading printed bar codes.
  • Consists of light source, lens, and light sensor for translating optical impulses into electrical ones.
  • Also consists of decoder circuitry to analyze the barcode image data provided by sensor.
  • This bar code identifies the product to the supermarket computer which has latest description and price.
  • Computer automatically tells the electronic cash register the price.
  • These are easy to use and widely used in electronic shops and malls.


  • Pen type readers
  • Laser scanners
  • CCD readers
  • Camera-based readers
  • Omni-directional barcode scanners
  • Cell phone cameras

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Tip Box

Did you know
barcode labeling software and a barcode printer can help you to generate your own barcode labels.




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