PROBLEM TO BE SOLVED: To alter an operation state of an X-ray imaging apparatus in a case where it is hard to operate an operational unit installed in an X-ray imaging apparatus body.SOLUTION: An X-ray imaging apparatus 101 includes: a communication unit 203 for performing communication with another apparatus communication state monitoring means for monitoring a state of communication with the other apparatus by the communication unit 203 and shift means for shifting a state to a function halting state in which functions are halted while leaving a function for monitoring start conditions when the communication state monitoring means detects that the communication means does not perform communication with the other apparatus for a predetermined time.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT
