Resolution relates to the fineness of detail that a scanner can achieve, and is usually measures in dots per inch (dpi). The more dots per inch a scanner can resolve, the more detail the resulting image will have. The typical resolution … [Read more...]

CIS is a relatively new sensor technology which began to appear at the budget end of the flatbed scanner market in the late 1990s. CIS scanners employ dense banks of red, green and blue LEDs to produce white light and replace the mirrors … [Read more...]

CCD technology is responsible for having made scanning a desktop application and has been in use for a number of years in devices such as fax machines and digital cameras. A CCD consists of many photo-sensitive elements, arranged in a grid in the case of a … [Read more...]

PMT is the sensor technology used by the high-end drum scanners used by colour prepress companies. Expensive and difficult to operate, these were the devices used to load images into a computer before the advent of desktop … [Read more...]

On the simplest level, a scanner is a device which converts light (which we see when we look at something) into 0s and 1s (a computer-readable format). In other word, scanners convert analogue data into digital data. All scanners work on … [Read more...]