PROBLEM TO BE SOLVED: To establish a wireless connection in a normal X-ray imaging workflow without causing a user to do a special operation.SOLUTION: An X-ray imaging system comprises: an x-ray sensor including a wireless slave device and a first identification information communication unit that is associated with the wireless slave device a wireless master device configured to wirelessly connect to the wireless slave device a second identification information communication unit that is associated with the wireless master device and an x-ray tube that irradiates x-rays and an identification information intermediating unit configured to receive and store identification information of the wireless slave device or on the wireless master device upon approaching one of the first and the second identification information communication units, and to transmit the identification information upon approaching the other one of the first and the second identification information communication units. The wireless master device and the wireless slave device establish wireless connection based on the identification information.COPYRIGHT: (C)2014,JPO&INPIT【課題】使用者が特別な操作を行うことなく、通常のX線撮影ワークフローの中で無線接続を確立する。【解決手段】X線撮影システムであって、無線子機と無線子機と関連付けられた第一の識別情報通信部とを有するX線センサと、無線子機と無線接続する無線親機と、無線親機およびX線を照射するX線管球と関連付けられた第二の識別情報通信部と、第一または第二の識別情報通信部の一つと近接したことに応じて無線子機または無線親機の識別情報を受信して記憶し、他の一つと近接したことに応じて識別情報を送信する識別情報媒介部と、を備え、無線親機および無線子機は、識別情報に基づいて無線接続を確立する。【選択図】 図3