How do you barcodes work 2024?
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Studied at the University of Melbourne, Lives in Melbourne, Australia.
Scanning head shines LED or laser light onto barcode.Light reflects back off barcode into a light-detecting electronic component called a photoelectric cell. ... As the scanner moves past the barcode, the cell generates a pattern of on-off pulses that correspond to the black and white stripes.More items...
2023-05-03 04:05:31
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Ethan Roberts
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Scanning head shines LED or laser light onto barcode.Light reflects back off barcode into a light-detecting electronic component called a photoelectric cell. ... As the scanner moves past the barcode, the cell generates a pattern of on-off pulses that correspond to the black and white stripes.More items...