Charge-coupled device (ccd)
Charge-coupled device (ccd) a solidstate device used to record images. A ccd is a digital device which counts the photons that strike it by making use of the photoelectric effect. In a typical ccd array, a large number of such devices is collected into a 2-d grid. Each device corresponds to a single pixel, and the number of electrons in the device is linearly related to the brightness or intensity value at that point in the ccd.
Source: http://ee.sharif.edu/~lcsl/useful/Electrical%20Engineering%20Dictionary.pdf
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Author of the text: Ed. P.A. Laplante Boca Raton: CRC Press LLC, 2000
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