Scanning Technologies
A Scanner is in principle a very simply device. It used photo image sensors to
capture light reflected of a media. Over the last 30 years a number
of different scanner approached has reach the market but basically
it's all the same. The page describe the typical wide format scanner
and give pro and cons on various scanners type &
technologies used on the market today.
<Coming soon>
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CIS versus CCD: Does the Type of Wide-format Scanning Technology Matter?If you are in the market for a new wide-format scanner, you may wonder if you should be concern about the type of underlying scanning technology your next scanner uses. After all, a scanner with the latest advances in technology should be able to scan your document without any degradation of quality, right? |
The Myth about Optical Scanning ResolutionOptical scanning resolution has been an industry indicator of quality in the digital imaging industry for many years and is quite frequently used to compare the quality in various large-format scanners. With advancements in scanning technology, scanner manufacturers have built scanners with increasingly higher optical resolution and use these specifications aggressively as a competitive weapon. As has been pointed out in reports and other articles, normal scanner users still scan documents using a scanning resolution range of 200- to 400 dpi. As a result, we must ask ourselves what benefits do these customers receive when they come across new scanners on the market that have considerably higher optical resolutions in the typical range of 500- to 600 dpi? |
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