A CCD (Charge Coupled Device) barcode scanner utilises the technology found in video cameras. Reflections are captured by the barcode scanner as a single and complete image. The captured image is rotated by a lens. The image is placed onto a CCD array, of several thousand photo-electric cells. Each cell is termed a pixel, which is charged relative to the amount of light that falls upon it. The array is scanned continuously to produce an analogue of the scanned bar code. A CCD barcode reader requires that the bar code is illuminated. In most cases this light source is built into the barcode scanner and is activated by a trigger. The light appears as a visible red line on the bar code.
CCD barcode scanners are cost-effective and are ideal for light barcode scanning applications. Most allow contact bar code scanning only, but some offer distance bar code scanning.
The main advantage of a CCD barcode reader is that it uses a minimum number of moving parts and is therefore more rugged and hard to break.
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Barcode wand/pen reader
CCD barcode scanners
Barcode Laser Scanners
Barcoding Image Scanners
Barcode Verifiers
Specialist barcode applications
DPM
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