{
  "$type": "site.standard.document",
  "description": "A photodetection device for a rotary laser system for projecting at least two fan-shaped beams tilted at a known angle with respect to a horizontal plane and having a known spreading angle, comprising at least three photodetectors arranged in a known relationship.",
  "path": "/patents/1078447",
  "publishedAt": "2005-04-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C15/004",
    "TOPCON CORP [JP]"
  ],
  "textContent": "A photodetection device for a rotary laser system for projecting at least two fan-shaped beams tilted at a known angle with respect to a horizontal plane and having a known spreading angle, comprising at least three photodetectors arranged in a known relationship.",
  "title": "Photodetection device for rotary laser system"
}