| 摘要 |
According to the invention, each light-sensitive element is made up by the series-connection of a capacitor, a photodiode and an electronic switch. The light signal to be read is applied to the device after the photodiodes have been reverse polarized by a voltage pulse with an amplitude VP1. The device is read row by row, by the application of a voltage pulse with an amplitude VP2 greater than VP1 to each row read. The switches of the read row are closed while the switches of the other rows are open. Once the device is read, the photodiodes are zeroized.
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