{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A navigation apparatus (S) for a movable body which assists in moving with a map while at least displaying the map is provided. A first information storing medium (DK) stores map data corresponding to the map thereon. A detecting device (4) detects displayed map data corresponding to the map…",
  "path": "/patents/1112712",
  "publishedAt": "2001-05-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/26",
    "PIONEER CORP [JP]"
  ],
  "textContent": "A navigation apparatus (S) for a movable body which assists in moving with a map while at least displaying the map is provided. A first information storing medium (DK) stores map data corresponding to the map thereon. A detecting device (4) detects displayed map data corresponding to the map already displayed at least once from the first information recording medium (DK). Then, a recording device (4) records the displayed map data detected by the detecting device (4) on a second information storing medium (HD), which has higher access speed than the first information storing medium (DK).",
  "title": "Navigation apparatus and method"
}