2023-05-27 (JR北海道/JR九州/鉄道総研)ATS装置 https://www.j-platpat.inpit.go.jp/c1800/PU/JP-2014-060841/37715E9D8158D378C60BDF431C4AF5BC1D6E0C482B01C9A4AC51C69E4369B5C6/11/ja メモ:ATS-DN、ATS-DK