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Types of Barcode Readers

Generally there are two types of Barcodes –

  • Linear barcode
  • 2D barcode.

And Four types of Barcode readers.

  • Pen Barcode reader : consists of LED light and a photodiode in its tip.
  • Laser Barcode reader : A laser scanner, a laser beam is shot at a mirror inside the actual unit.
  • CCD Barcode reader : Charge Coupled Device, shor directly onto a barcode and a sensor measures the reflection and voltage of the ambient light in front of each bulb.
  • 2D Camera Barcode reader : consists of hundreds of tiny lights like the CCD scanner.