Image scanner
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An image scanner is a device that optically scans images, printed text, handwriting, or an object and converts it to a digital image. The most common type of scanner used in the home and the office is
A flatbed scanner (Epson Perfection V850 Pro) with its lid open. Documents or images are placed face-down on the glass bed (the platen).
The first image ever scanned to a computer, of Russell A. Kirsch's newborn son, Walden (1957)
The Autokon series of scanners were the first flatbed scanners on the market designed for digital image processing; pictured is the 1000/DE, a successor model released in 1988.
A flatbed scanner (HP ScanJet IIC) with its lid closed
Automatic document feeder
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In multifunction or all-in-one printers, fax machines, photocopiers and scanners, an automatic document feeder or ADF is a feature which takes several pages and feeds the paper one page at a time into
Image scanner
…which moves the page across an image sensor using a series of rollers, may be used to scan one page of a document at a time or multiple pages, as in an automatic document feeder. A handheld scanner is a portable version of an image scanner that can be used on any flat surface. Scans are typically downloaded to the computer that…
Reverse automatic document feeder
A scanner with a duplexing automatic document feeder