Flatbed scanners are used to convert analog images into digital files. They consist of a platen or glass pane that covers a light source underneath (either cold cathode fluorescent or xenon). A CIS or CCD optical array moves along the hard copy placed on top of the platen. They are commonly used to digitize photos, handwriting, and objects.
Types of Flatbed Scanners
Kinds of Flatbed Scanners include the following:
Standard flatbed scanners
Standard flatbed scanners connect to computers using USB ports or other interfaces. They scan in monochrome and color. They can have bit depths of as high as 58 bits to produce excellent image detail.
Wireless flatbed scanners
Wireless flatbed scanners can connect to several computers using wireless LAN or Bluetooth. They have built-in document feeders that ensure straight and even scanning. They scan in monochrome and color.
Choosing Flatbed Scanners (Buying tips)
Scanning speed: Choose a flatbed scanner with a scanning speed of at least 75 pages per minute for monochrome and 40 pages per minute for color.
Bit depth: Choose a flatbed scanner with a high bit depth of 36 to 48 bits for more detailed images and accurate color.
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