{
  "$type": "site.standard.document",
  "description": "An on-vehicle navigation apparatus (50) includes a current location calculator (21) calculating a current location of an own vehicle, a map information database (2) storing map information including road map data, a driving lane specifying section (23) detecting a lane change in response to an…",
  "path": "/patents/1071587",
  "publishedAt": "2005-12-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3655",
    "NISSAN MOTOR [JP]"
  ],
  "textContent": "An on-vehicle navigation apparatus (50) includes a current location calculator (21) calculating a current location of an own vehicle, a map information database (2) storing map information including road map data, a driving lane specifying section (23) detecting a lane change in response to an operation signal from a winker and specifying a driving lane of the own vehicle, and a guidance-timing controller (24) detecting a turnoff road ahead of the own vehicle in a traveling direction and conducting turnoff road guidance on a driver at a forward position distanced from the detected turnoff road depending on a location of the specified driving lane of the own vehicle.",
  "title": "On-vehicle navigation apparatus and turnoff road guiding method"
}