Definitions of Bar Code Reader on the Web:

A device used to read a bar code symbol.
www.autoid.org/dunesysglossary.html


A device used to identify and decode a bar code symbol.
www.adcisi.com/glossary.html


A movable or fixed device that scans a bar code and interprets the combination of bars and spaces to record a transaction or a status.
www.bridgefieldgroup.com/glos1.htm


—any device that can convert a bar code image into data. Common bar code readers consist of pistol-type scanners, wand scanners, and fixed position scanners.
accuracybook.com/glossary.htm


An input device that interprets bar codes such as the universal product code (UPC) found on supermarket items and inputs the data as digitized information to a computer.
www.indstate.edu/cape/glossary.html


a device used to capture the data encoded within a bar code and convert it into
www.esatclear.ie/~rolandehall/Glossary.htm


A device for reading input formatted as bar codes.
lms.thomsonelearning.com/hbcp/glossary/glossary.taf


A device used to read bar code symbols
www.kendallpkg.com/Glossary.htm


A reader capable of reading and interpreting cards using bar codes to encode data.
www.kerisys.com/end_user_site/pages/reference-shelf/definit...


A bar code reader measures the intensity of a light beam reflected from a printed bar code to identify the digits making up a unique identification number. The digits making up the identification number are also printed at the foot of the bar code. If a label containing a bar code becomes damaged or cannot be read for some other reason, it may still be possible to enter the identification number manually.
wps.prenhall.com/wps/media/objects/505/517554/glossary.html


—Device that reads bar codes; implies an optical device such as CCD rather than laser.
www.risnews.com/glossary.htm


electronic input device that uses light to reflect a printed bar code to produce images or information
www.midland-7.org/MidTech/elemtech/glossary.htm


A device used to read data encoded in a bar code by detecting the width of the bars, eg super market check-outs use a reader to scan packaging. The till is then told what the product is and the supermarkets computer will know its price. The advantage to the shopper is; It should make shopping quicker, less mistakes at the till, itemised bills so you can check what you bought. The advantage to the shop is that they don’t have to mark every single item with a price, the shops computer can keep track of stock so you know when you are running out of an item, less mistakes (accidental or deliberate) by the person on the till
www.schools.sandwell.net/warley/itgloss1.html

They are used for reading information on goods purchased in supermarkets and stores. You point the hand-held device at for example a carton of milk. The device shines a read beam of light on the bar codes on the milk carton and reads the price of the milk. This is automatically transferred to the cash till and appears on your receipt.