How UPC Bar Codes Work

by Marshall Brain

Browse the article How UPC Bar Codes Work

Forward this article to five of your friends.

Your Name:

Your E-mail:

Friend #1 E-mail:

Friend #2 E-mail:

Friend #3 E-mail:

Friend #4 E-mail:

Friend #5 E-mail:

Your Message:




Please enter the characters you see above:
This helps HowStuffWorks prevent automated emails.

Related Content
Explanations
How RFIDs Work
How Anti-shoplifting Devices Work
How does a security passcard work?

Prices: Barcode Scanners
Datalogic Falcon 4220 (42201001) Wireless Portable Terminal

Wireless, RS-232, USB, CompactFlash, visible laser diode (VLD), Positive Beeper user feedback, Positive Led user feedback, Color D...

$18 - $18
Motorola LS2208 (ls22081azk0100s) Wired Handheld Barcode Scanner

MPN: ls22081azk0100s, Wired, Keyboard Wedge, visible laser diode (VLD), Positive Beeper user feedback, Positive Led user feedback,...

$140 - $156
Socket Communications SDSC 3M (IS5304-732) Wired Slot Reader Barcode Scanner

Wired, Keyboard Replacement

$308 - $389