PROBLEM TO BE SOLVED: To facilitate attachment/detachment work of a detachable battery in a radiographic apparatus having the battery.SOLUTION: A radiographic apparatus 100 includes: a radiation detection part 20 that converts a radioactive ray into an electrical signal a housing 1 in which the radiation detection part 20 is provided a battery 3 that is detachable from and attachable to the housing 1, and supplies power to the radiation detection part 20 a lock member 5 that can switch between a fixed state where the attached battery 3 cannot be removed from the housing 1 and a released state where the attached battery 3 can be removed from the housing 1 state detection means that detects a state of the apparatus and a control section that switches between the fixed state and the released state of the lock member 5 in accordance with a detection result of the state detection means.COPYRIGHT: (C)2015,JPO&INPIT【課題】着脱可能なバッテリを有する放射線撮影装置において、バッテリの着脱作業を迅速に行えるようにする。【解決手段】放射線撮影装置100は、放射線を電気信号に変換する放射線検出部20と、放射線検出部20を内部に設ける筺体1と、筺体1に着脱可能であり放射線検出部20に電力を供給するバッテリ3と、装着されたバッテリ3を筺体1から取り外すことができない固定状態と取り外すことができる解放状態とを切り換え可能なロック部材5と有し、さらに、装置の状態を検知する状態検知手段と、状態検知手段の検知結果に応じてロック部材5の固定状態と解放状態とを切り替える制御部とを有する。【選択図】図1
