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Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...
CamScanner is a Chinese mobile app first released in 2010 [1] [2] that allows iOS and Android devices to be used as image scanners. [3] It allows users to 'scan' documents (by taking a photo with the device's camera) and share the photo as either a JPEG or PDF.
Epson has released a firmware patch to bring the R-D1 up to the full functionality of its successor, being the first digital camera manufacturer to make such an upgrade available for free. [citation needed] In September 2012, Epson introduced a printer called the Expression Premium XP-800 Small-in-One, with the ability to print wirelessly. [20]
Using a flatbed scanner to scan items other than paper documents exceeds the original purpose of the scanner, so special care must be taken with the process. The bed of the scanner is typically made of glass, and care needs to be taken that the glass not be scratched or cracked when placing or removing items on the bed. Since the items to be ...
Windows Fax and Scan is an integrated faxing and scanning application introduced in Windows Vista and included in the Business, Enterprise, and Ultimate Windows Vista editions as the replacement for the Fax Console of Windows XP; it is available in all versions of Windows 7, Windows 8, Windows 10 (x86/x64) and Windows 11 (x64), [1] but not on ARM64 versions of Windows 10 and Windows 11.
Port scanner, in computer networking; Prefix sum, an operation on lists that is also known as the scan operator; Raster scan, the rectangular pattern of image capture and reconstruction in television; Scan chain, a type of manufacturing test used with integrated circuits; Scan line, one line in a raster scanning pattern
In a raster scan, an image is subdivided into a sequence of (usually horizontal) strips known as "scan lines".Each scan line can be transmitted in the form of an analog signal as it is read from the video source, as in television systems, or can be further divided into discrete pixels for processing in a computer system.
This type of scanner tends to excel in terms of precision. Ultrasonic fingerprint scanners use high frequency sound waves to penetrate the epidermal (outer) layer of the skin. Thermal scanners sense the temperature differences on the contact surface, in between fingerprint ridges and valleys.
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