{
  "$type": "site.standard.document",
  "description": "A vehicle navigation device (1) comprises a map data base (3) storing map data and a processing unit (2). The map data base (3) includes first attributes indicative of the presence of express lanes and second attributes assigned to lanes to indicate which lanes of a road segment are express lanes…",
  "path": "/patents/999340",
  "publishedAt": "2012-08-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3461",
    "HARMAN BECKER AUTOMOTIVE SYS [DE]"
  ],
  "textContent": "A vehicle navigation device (1) comprises a map data base (3) storing map data and a processing unit (2). The map data base (3) includes first attributes indicative of the presence of express lanes and second attributes assigned to lanes to indicate which lanes of a road segment are express lanes. The processing unit (2) is coupled to the map data base (3) and is configured to perform a route search based at least on the first attribute and to control outputting of route guidance information via a user interface (4) based at least on the second attribute.",
  "title": "Vehicle navigation device and method"
}