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The definition of Barcode Scanner ​

 The definition of Barcode Scanner


Barcode reader,also called barcode scanner, is an electronic device that can read and output printed barcodes to a computer. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones. Additionally, nearly all barcode readers contain decoder circuitry analyzing the barcode's image data provided by the sensor and sending the barcode's content to the scanner's output port.


Usually it have USB,RS232,PS/2,wireless 2.4G or Bluetooth connectity.