Patent US 3,944,816

A charge transfer apparatus having light sensitivity control means comprises a charge transfer device wherein a plurality of electrodes are provided on a semiconductor substrate in a manner insulated therefrom, means for supplying a driving pulse waveform of a constant period covering an integration period and a transfer-readout period to each of said electrodes of charge transfer device, detecting means for detecting the amount of light incident into the charge transfer device or the output signal level from the charge transfer device, and control means for controlling the width of an integration pulse within said integration period in accordance with the signal detected by the detecting means.