Radiation imaging apparatus and radiation imaging system

A radiation imaging apparatus having a plurality of pixels arrayed in an imaging area so as to form a plurality of rows and a plurality of columns, the plurality of pixels including a plurality of imaging pixels for obtaining a radiation image and a detecting pixel for detecting radiation, the radiation imaging apparatus comprising:

• a plurality of column signal lines respectively corresponding to the plurality of columns;
• and
• a detection signal line corresponding to the detecting pixel,
• wherein each of the imaging pixels includes a first conversion element configured to convert radiation into an electrical signal, and a first switch arranged between the first conversion element and a corresponding column signal line among the plurality of column signal lines, and
• the detecting pixel includes a second conversion element configured to convert radiation into an electrical signal, a second switch arranged between the second conversion element and the detection signal line, and a third switch arranged between the second conversion element and the column signal line.

A radiation imaging apparatus having a plurality of pixels arrayed in an imaging area so as to form a plurality of rows and a plurality of columns, the plurality of pixels including a plurality of imaging pixels for obtaining a radiation image and a detecting pixel for detecting radiation, the radiation imaging apparatus comprising:

• a plurality of column signal lines respectively corresponding to the plurality of columns;
• and
• a first detection signal line and a second detection signal line, corresponding to the detecting pixel,
• wherein each of the imaging pixels includes a first conversion element configured to convert radiation into an electrical signal, and a first switch arranged between the first conversion element and a corresponding column signal line among the plurality of column signal lines,
• the detecting pixel includes a second conversion element configured to convert radiation into an electrical signal, a second switch arranged between the second conversion element and the first detection signal line, and a third switch arranged between the second conversion element and the second detection signal line, and
• the first switch is driven by a first driving line, the second switch is driven by a second driving line, and the third switch is driven by a third driving line.