Laser Scanners are the most popular type of barcode scan engine because they can scan barcodes at distances greater than two feet. However, they only read linear, or one-dimensional (1D), barcodes such as UPC-A, which is widely used by retailers and grocers.
Another example of a 1D scanner is a linear imager. Unlike a laser scanner—which uses a beam and mirrors to read barcodes—a linear imager captures an image of a 1D barcode to read it. Linear imagers are a great option when scanning barcodes that are less than two feet away.
CCD (Charged Coupling Device) barcode scanners use an imaging engine to take a picture of the barcode and then decode the characters. CCD barcode scanners are “linear imagers” meaning that you will still see a red focus line when triggering the scan.
1D Scanners are the most common and the most popular. The laser scanner operates by emitting a red diode laser that reflects back the barcode for processing. Bluetooth laser barcode scanners are small and easy to use. Due to their portability, they are the perfect solution for inventory, attendance, or retail arbitrage.
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