{
  "$type": "site.standard.document",
  "description": "The present invention is directed to a position determining system (100) of reduced errors in measurements and determination of surfaces even if a rotary light source emitting laser beam rotates unevenly. The position determining system is comprised of a rotary light source rotating and emitting…",
  "path": "/patents/1105334",
  "publishedAt": "2002-04-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C15/002",
    "TOPCON CORP [JP]"
  ],
  "textContent": "The present invention is directed to a position determining system (100) of reduced errors in measurements and determination of surfaces even if a rotary light source emitting laser beam rotates unevenly. The position determining system is comprised of a rotary light source rotating and emitting laser beams (b1, b2, b3), an encoder detecting a rotation position of the rotary light source, and a transfer means transmitting data detected by the encoder, and the system particularly comprises at least two rotary laser devices (151, 152) disposed separate from each other, a light sensor (154) having a light receiving unit that receives the laser beams emitted from the rotary laser devices, so that a position of the light sensor is determined depending upon the laser beams incident upon the light receiving unit and information transmitted by the transfer means.",
  "title": "Position determining system"
}