{
  "$type": "site.standard.document",
  "description": "By using map data stored in a data storage section, a navigation device comprises: a route receiving section for receiving route data indicating a route from a current position derived by a position deriving section to a destination designated by a destination designating section; a data selecting…",
  "path": "/patents/1067479",
  "publishedAt": "2006-05-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/34",
    "MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]"
  ],
  "textContent": "By using map data stored in a data storage section, a navigation device comprises: a route receiving section for receiving route data indicating a route from a current position derived by a position deriving section to a destination designated by a destination designating section; a data selecting section for selecting candidate location data indicating at least one location which exists on the route represented by the route data or in a vicinity of the route, and satisfies a predetermined condition; a location-change designating section for designating a location of change at which a guiding method is to be changed, based on the candidate location data selected by the data selecting section; a determination section for determining whether a user has arrived at the location of change; and a navigation guidance section for guiding the user to the destination with a relatively detailed method when the determination section determines that the user has arrived at the location of change.",
  "title": "NAVIGATION DEVICE"
}