{
  "$type": "site.standard.document",
  "description": "The purpose of the present invention is to enable information presented by an additionally displayed virtual image to be displayed in an easily recognizable manner. A projection unit projects, towards a projection-receiving part, display light capable of displaying virtual images in positions…",
  "path": "/patents/1263078",
  "publishedAt": "2020-05-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G02B27/0179",
    "NIPPON SEIKI CO., LTD."
  ],
  "textContent": "The purpose of the present invention is to enable information presented by an additionally displayed virtual image to be displayed in an easily recognizable manner. A projection unit projects, towards a projection-receiving part, display light capable of displaying virtual images in positions having different display distances from a viewer. A display distance determination unit is capable of adjusting, in a depth direction, the display distances of the virtual images displayed by the projection unit. If a display addition determination unit determines that a virtual image is to be additionally displayed, the display distance of an existing virtual image already displayed and the display distance of a virtual image to be additionally displayed are made to be different.",
  "title": "HEAD-UP DISPLAY DEVICE"
}