PROBLEM TO BE SOLVED: To prevent excessive emission when an operator manually sets an X-ray intensity and to allow the operator to set a proper X-ray intensity.SOLUTION: The radiation imaging apparatus includes: a designation unit which designates the intensity of radiation applied to a target a radiation exposure control unit which determines whether the radiation intensity designated by the designation unit becomes equal to or more than the predetermined radiation intensity and a warning generating unit which generates a warning signal indicating that the radiation intensity becomes equal to or more than the recommended radiation intensity, on the basis of the determination made by the radiation exposure control unit.COPYRIGHT: (C)2008,JPO&INPIT【課題】 術者がX線強度を手動で設定する場合において、過剰照射を未然に抑止し、術者が適正なX線強度を設定すること。【解決手段】 放射線撮影装置は、対象物に曝射する放射線強度を指定する指定部と、指定部によって指定された放射線強度が、予め定められた放射線強度以上となるか判定する放射線曝射制御部と、放射線曝射制御部の判定に基づき、放射線強度が推奨放射線強度以上となることを示す警告信号を発生する警告発生部と、を備える。【選択図】 図1
