{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A navigation device includes a map information storage means for storing map information such as nodes, links and the like, a present position detection means for detecting a present position of a moving body, a route searching means for searching a route from a present position to a guide point…",
  "path": "/patents/1113039",
  "publishedAt": "2001-05-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3629",
    "MITSUBISHI ELECTRIC CORP [JP]"
  ],
  "textContent": "A navigation device includes a map information storage means for storing map information such as nodes, links and the like, a present position detection means for detecting a present position of a moving body, a route searching means for searching a route from a present position to a guide point based on the map information, a voice guide message generation means for generating a voice guide message corresponding to the searched route, and a voice output means for outputting the voice guide message. The navigation device is adapted to store a level of importance of nodes and links as a part of said map information, and the voice guide message generation means selects links and nodes on the searched route based on the level of importance and generates a voice guide message corresponding to the selected nodes and links.",
  "title": "NAVIGATION DEVICE"
}