Patent ID: 7042980

Claim:
A radiographic apparatus comprising: a plurality of pixels arrayed in a row direction and in a column direction, and each including a conversion element that converts incident radiation into an electrical signal and a switch element that transfers the electrical signal; a plurality of control interconnections each connected to each of the plurality of switch elements arrayed in the row direction; a plurality of signal interconnections each connected to each of the plurality of switch elements arrayed in the column direction; a driving circuit section connected to the plurality of control interconnections, and supplying driving signals to the plurality of control interconnections; and a read circuit section which is connected to the plurality of signal interconnections and reads the electrical signal from said conversion element for each row, wherein said read circuit section includes a refresh device which applies a first bias to the plurality of signal interconnections for refreshing the plurality of conversion elements of each row, and a reset device which applies a second bias to the plurality of signal interconnections for resetting the plurality of signal interconnections.