{
  "$type": "site.standard.document",
  "description": "The invention relates to a map display apparatus comprising memory means (3) for storing map data necessary for plotting a map of a predetermined region; map display means (65) for displaying a bird's eye view map by using the map data read out from said memory means; display region limiting means…",
  "path": "/patents/1100249",
  "publishedAt": "2002-11-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3635",
    "HITACHI LTD [JP]"
  ],
  "textContent": "The invention relates to a map display apparatus comprising memory means (3) for storing map data necessary for plotting a map of a predetermined region; map display means (65) for displaying a bird's eye view map by using the map data read out from said memory means; display region limiting means (81) for limiting regions for bird's-eye view display to those regions existing on the foreground side from a disappearing point of perspective conversion; background display means (86) for displaying an artificial background such as a horizontal line and sky in the regions for which map display is limited by said display region limiting means; and background region control means (86) for changing colors and patterns of the artificial background regions displayed by said background display means.",
  "title": "Map Display Apparatus with Artificial Background"
}