Barcode reader
Electronic device / From Wikipedia, the free encyclopedia
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A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer.[1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry that can analyse the barcode's image data provided by the sensor and send the barcode's content to the scanner's output port.
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