It is called a scanning pen or micro-scanner. When used, it is scanned line by line on the paper, which is mainly used for text recognition.
Using CIS components, the unique high-efficiency double-sided scanning allows users to organize documents more quickly, without pre-heating during work, and scanning can be performed at power-on.
It is also called a roller scanner, which is the most widely used product in the field of professional printing and typesetting. The photosensitive device is a photomultiplier tube.
Large format scanner
Generally refers to the scanner whose scanning format is A1.A0 format, also known as engineering drawing scanner.
Also known as platform scanners, desktop scanners, are mainstream products for office scanners. The scanning format is usually A4 or A3.
Negative film scanner
Also called a film scanner, the optical resolution can generally reach the level of 2700ppi.
Scanned pictures can be quickly converted into editable documents through OCR text recognition, which greatly improves work efficiency.
It is the most important technical indicator of the scanner. It indicates the scanner's ability to express image details, which determines the fineness of the image recorded by the scanner.
Represents the brightness level range of an image. The more the number of levels, the larger the image brightness range and the richer the level of the image.
Number of colors
Represents the range of colors that a color scanner can produce. It is usually expressed by the number of bits representing the color of each pixel, that is, bits.
Indicates the size of the scanned artwork. Common formats are A4.A3.A0.