bar-code reader


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bar-code reader

a device which reads bar codes using a light scanner, widely used in supermarket checkouts.
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The ULTIMATE 2000 Series Desktop Label Printer is suitable for use with paper, polyester, vinyl, and antimicrobial-coated wristbands, and features an ergonomically correct bar-code reader with a laser beam guide for reading 2-D and traditional bar codes.
It integrates a bar-code reader with a 5 MP (4 MP processed) digital camera.
7 million mobile customers who are actively using QR bar-code readers, e-wallet-based m-commerce, mobile TV and radio, full-length CD-quality music downloads, avatars, enhanced messaging and a plethora of other mobile services developed and commercialized by carriers and their technology partners in this country's hyper-competitive, winner-takes-all mobile industry.
Semiconductor lasers based on heterostructures make possible today's bar-code readers, the heads that read compact discs and similar media, and fiberoptic communication systems.
Traditionally, bar-code readers incorporate a small LED to signify the laser is on and the bar-code has been read.