Image sensor

Details Image sensor Image sensor

H - Electricity

04

N

H04N 9/04 (2006.01) H04N 3/15 (2006.01)

Patent

CA 2090235

An image sensor is disclosed which is adapted to sense a color image and comprises three channels (11, 15, 17), one for each of the primary colors. Each channel is identical except for the color of the filter associated therewith. In order to provide the optimum exposure time for each of the colors, the integration time (~exp) for each of the channels is controlled independently. The line readout time (~line) for each of the channels is maintained the same, however, so that the three channels (11, 15, 17) can be read out in parallel.

On décrit un capteur d'images conçu pour capter une image en couleurs. Ledit capteur comprend trois canaux (11, 15, 17), un pour chacune des images primaires. Chaque canal est identique, sauf le filtre qui lui est associé. Afin d'assurer un temps d'exposition optimal pour chacune des couleurs, la durée d'intégration (tauexp) pour chacun des canaux est commandée indépendamment. La durée de lecture de ligne (tauline) pour chacun des canaux (11, 15, 17) est toutefois identique afin que les trois canaux (11, 15, 17) puissent être lus en parallèle.

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