Patent ID: 8648947

Claim:
An image-pickup system comprising: an image-pickup apparatus including a detector comprising a detecting unit and a reading circuit, the detecting unit being provided with pixels that are arranged in matrix-form, where each of the pixels includes a conversion element converting a radiation into an electric charge, the reading circuit including a connecting unit that is electrically connected to a signal wire transferring an electric signal corresponding to the electric charge and that electrically connects the signal wire to a node to which a specified potential is supplied, the reading circuit being provided to perform a reading operation to output the electric signal from the pixel, and a control unit configured to control an operation of the reading circuit; and a sensing unit configured to sense an end of irradiation of a radiation based on an output of the reading circuit, the output being acquired during a time period where the detector performs an accumulation operation, wherein the control unit controls the reading circuit so that the connecting unit starts establishing the electrical connection between the signal wire and the node based on the sensed end of the irradiation, and retains the electrical connection until the start of the reading operation.