{
  "$type": "site.standard.document",
  "description": "A vehicle navigation system is provided. When route guidance for a vehicle to a destination is performed on the screen of a display unit (8) based on road data for route searching, whether or not the vehicle has entered a minor street or not is determined (step 4). When it is determined that the…",
  "path": "/patents/1100428",
  "publishedAt": "2002-11-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3415",
    "ALPINE ELECTRONICS INC [JP]"
  ],
  "textContent": "A vehicle navigation system is provided. When route guidance for a vehicle to a destination is performed on the screen of a display unit (8) based on road data for route searching, whether or not the vehicle has entered a minor street or not is determined (step 4). When it is determined that the vehicle has entered a minor street, researching for a route to the destination is performed (step 6) by setting the point of entry into the minor street as a new starting point. The screen of the display unit (8) is divided into two screens, and a guidance route is displayed on one of the divided screens based on the result of the researching and road data for minor streets, and the minor street is displayed in a more enlarged form than on the other screen (step 7).",
  "title": "Vehicle navigation system"
}