UPC/Barcode scanner

Optics Device assignment

What is a UPC/Barcode scanner?

The UPC/Barcode scanner is a device that scans barcodes on items in stores and it locks the barcode into the computer from the laser inside the scanner which has a computer database inside of it which shows that the item has been purchased. The scanner keeps a log of each item that is checked out of a store or library.

How does this device work?

Barcode scanner is used to read computerize codes on a computer. Through the use of infer red light the barcodes are scanned into a digital database that identifies the merchandise for the customer and the employer.


Woodford, Chris. Barcodes and barcode scanners (September 14, 2014)


Governor Business Solutions. Advantages & Disadvantages of Barcode Scanners (August 2, 2013)


Rosistem: Build your business. Barcode education. http://www.barcode.ro/tutorials/barcodes/history.html

Ker Than. Bar Code: Its Origins, Why It's on Google & What's Next (October 7, 2009) http://news.nationalgeographic.com/news/2009/10/091007-bar-code-google-doodle-logo.html
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