| 摘要 |
A radiation image capturing apparatus includes: a detecting section, a scanning drive unit, switch units, reading circuits, and a controller. The controller controls at least the scanning drive unit and the reading circuits and causes the same to execute data readout process from the radiation detection elements. The controller causes the reading circuits to periodically perform a readout operation before radiation image capturing operation in a state where each of the switch units is in an off state by applying the off voltage to all of the scanning lines from the scanning drive unit, causes the reading circuits to repeatedly execute a leaked data readout process in which the electric charges leaked from the radiation detection elements through the switch units are converted into leaked data, and detects initiation of irradiation at a point when the read-out leaked data exceeds a threshold value.
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