{
  "$type": "site.standard.document",
  "description": "There is provided a navigation device for simultaneously displaying two screens of maps on a common display unit, the device comprising a map data storage unit for storing map data, and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage…",
  "path": "/patents/1097869",
  "publishedAt": "2003-03-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/367",
    "SONY CORP [JP]"
  ],
  "textContent": "There is provided a navigation device for simultaneously displaying two screens of maps on a common display unit, the device comprising a map data storage unit for storing map data, and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit, wherein the display unit has a predetermined display area for displaying a map based on the map data with its resolution converted. A map displaying method and an image display device are also provided.",
  "title": "Navigation device, map displaying method and image display device"
}