{
  "$type": "site.standard.document",
  "description": "Disclosed is a navigation apparatus for a vehicle, which detects a present location of a mobile body, searches for a route to a destination based on map data and roads ranked in accordance with a degree of details of roads, and outputs information of the searched route. An optimal route from a…",
  "path": "/patents/1105510",
  "publishedAt": "2002-04-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3415",
    "AISIN AW CO [JP]"
  ],
  "textContent": "Disclosed is a navigation apparatus for a vehicle, which detects a present location of a mobile body, searches for a route to a destination based on map data and roads ranked in accordance with a degree of details of roads, and outputs information of the searched route. An optimal route from a present location to a destination is searched for using the map data every predetermined time or every predetermined distance. A storage medium incorporates a program that has the capabilities of the navigation apparatus.",
  "title": "Navigation apparatus and storage medium therefor"
}