{
  "$type": "site.standard.document",
  "description": "A control unit controls a movement of a viewpoint-following display area that moves in accordance with the movement of a user's point of regard, and determines whether to cause the viewpoint-following display area to follow the user's point of regard or to stop the viewpoint-following display area…",
  "path": "/patents/1306527",
  "publishedAt": "2021-12-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G02B27/0179",
    "Sony Group Corporation"
  ],
  "textContent": "A control unit controls a movement of a viewpoint-following display area that moves in accordance with the movement of a user's point of regard, and determines whether to cause the viewpoint-following display area to follow the user's point of regard or to stop the viewpoint-following display area from following the user's point of regard, according to the staying time of the user's point of regard. The display apparatus is configured as a three-dimensional display apparatus or a HUD that allows the viewpoint-following display area to be observed in front of a fixed display area. In a case where the staying time of the user's point of regard reaches or exceeds a specified time t set in advance, the control unit does not cause the viewpoint-following display area to follow the user's point of regard, but fixes the viewpoint-following display area for display.",
  "title": "DISPLAY APPARATUS, DISPLAY CONTROL METHOD, AND PROGRAM"
}