{
  "$type": "site.standard.document",
  "description": "The method involves monitoring the emergency lighting (3,4) in a tunnel with a controller of a tunnel safety lighting system consisting of a tunnel monitoring center (1) and emergency lighting equipment (2), which can operate autonomously at least for a time and that is connected via a…",
  "path": "/patents/1083202",
  "publishedAt": "2004-10-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J13/1321",
    "DB NETZ AG [DE]"
  ],
  "textContent": "The method involves monitoring the emergency lighting (3,4) in a tunnel with a controller of a tunnel safety lighting system consisting of a tunnel monitoring center (1) and emergency lighting equipment (2), which can operate autonomously at least for a time and that is connected via a communications line to a remote actuation system, detecting possible faults, securely recording them and initiating correction. An independent claim is also included for the following: (a) an arrangement for safe emergency tunnel lighting.",
  "title": "Method and device for safe emergency lighting of tunnels"
}