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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 ...
CIS of a flatbed scanner. Contact image sensors (CIS) are image sensors used in flatbed scanners almost in direct contact with the object to be scanned. Charge-coupled devices (CCDs), the other kind of sensor often used in scanners, use mirrors to bounce light to a stationary sensor.
This page was last edited on 16 August 2019, at 09:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
VueScan is intended to work with a large number of image scanners, excluding specialised professional scanners such as drum scanners, on many computer operating systems (OS), even if drivers for the scanner are not available for the OS. These scanners are supplied with device drivers and software to operate them, included in their price.
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner , it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.
In 1980, Xerox acquired Kurzweil Computer Products, a pioneering manufacturer of flatbed scanners, from Ray Kurzweil. It later acquired Datacopy, another pioneer in the image scanner market, for $31 million in 1986. [37] In 1983, Xerox bought Crum & Forster, an insurance company, and formed Xerox Financial Services (XFS) in 1984. [26]
Flatbed scanner, an image scanner used for scanning paper or transparency originals into digital form; Flatbed seat, airline seat that reclines to a full-horizontal flat position to form a bed; Flatbed trolley, a rolling platform; Flatbed semi-trailers; Flatbed truck, a type of truck which has an entirely flat, level body with absolutely no ...
For sustained professional use the apparent cost advantage of scanning film was very much reduced on careful analysis; including expensive 10 × 12.5 cm (4 × 5″) film and processing and the cost of use of a drum scanner brought the projected cost over three years to about 80% of the cost of a digital back at the time.
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