PROBLEM TO BE SOLVED: To provide an x-ray CT apparatus that can reduce an adverse effect on peripheral equipment by interrupting and absorbing noise emitted from a rotary part or the like, and can ease an effect of noise from an external part.SOLUTION: The x-ray CT apparatus includes: a pedestal with the rotary part and a fixation part a slip ring for transmitting power between the rotary part and the fixation part a cover for covering the pedestal a shield member composed of a porous conductive material that is attached near at least the slip ring in a cover inner circumferential surface and a ground-contact member that grounds the shield member.COPYRIGHT: (C)2012,JPO&INPIT【課題】回転部等から放射されるノイズを遮蔽、吸収して周辺機器に与える悪影響を軽減するとともに、外部からのノイズの影響をも軽減することが可能なX線CT装置を提供する。【解決手段】回転部と固定部を有する架台と、回転部と固定部の間で電力伝送を行なうためのスリップリングと、架台を覆うカバーと、カバー内周面の少なくともスリップリング付近に取り付けられた多孔性の導電性部材で構成したシールド部材と、シールド部材を接地する接地部材と、を具備して成る。【選択図】 図2
