Video encyclopedia

Barcode reader


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Barcode Scanner Basics - A Quick Lesson On Barcode Scanner Basics

A bar code reader 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 bar code's image data provided by the sensor and sending the barcode's content to the scanner's output port.
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    • Other American inventions 

    • Types of barcode scanners 

    • Methods of connection 

    • Resolution