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How does a bar code work 2024?

Ethan Gonzales | 2023-04-24 19:28:01 | page views：1773
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Ava Thompson

Studied at MIT, Lives in Cambridge.
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.
2023-04-27 19:28:01
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Ethan Reed

QuesHub.com delivers expert answers and knowledge to you.
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.
How do barcodes and barcode scanners work? - Explain that Stuff
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