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Abstract

A photosensitive sensor including multilinear arrays of n lines of cells which operate by charge integration and time delay by successive observations of the same image line by the n lines in the array, and by accumulation of the corresponding n observations in the cells of the sensor. To avoid the risk of saturation inherent in the fact that the electrical charges resulting from n observations accumulate in the same cell, the number of lines between which the charge integration and delays are preformed is programmed to be between 1 and n. This programming is performed as a function of the average illumination of the image analysed. To do so, the electrodes (ES1, ES2) of certain lines of cells are used, and potentials are applied to them; either the normal charge transfer potentials or a blocking potential which isolates the lines beyond this blocking electrode from a reading stage (RL, CL).

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First Claim