It takes three-dimensional objects—your artwork, pages from books and magazines, even small objects such as coins—and reduces them to two-dimensional images by looking at them one dimension at a time. Without a trace of the alien technology or the su...
How the view of the scanning sensor moves to that following line is the fundamental design difference between scanners. Somehow the long line of sensing elements must shift their attention with extreme precision over the entire surface of the image t...
Beside their basic mechanism, scanners are distinguished by their features. Among these are whether the scanner can produce color images, its scanning speed, the dynamic range it can handle, its resolution, and whether it can recognize text character...
As with other input devices, scanners have their own control and signaling systems that must link to your software to be used effectively (or at all). Early scanners used their own proprietary application interfaces to relay commands and data. Conseq...
