{
  "$type": "site.standard.document",
  "description": "A camera pixel calibration apparatus (100) and a winding device are provided. The camera pixel calibration apparatus (100) includes: a camera (10), where the camera (10) has a shooting lens (101); and a reference assembly (20), where the reference assembly (20) is disposed between the shooting lens…",
  "path": "/patents/1390627",
  "publishedAt": "2025-05-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01B11/022",
    "CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]"
  ],
  "textContent": "A camera pixel calibration apparatus (100) and a winding device are provided. The camera pixel calibration apparatus (100) includes: a camera (10), where the camera (10) has a shooting lens (101); and a reference assembly (20), where the reference assembly (20) is disposed between the shooting lens (101) and a coating material (2), the reference assembly (20) includes a bracket (201) and a calibration plate (202), the bracket (201) is provided with a camera viewing window (201a), and the calibration plate (202) is disposed on a surface of the bracket (201) close to the shooting lens (101).",
  "title": "CAMERA PIXEL CALIBRATION APPARATUS AND WINDING DEVICE"
}