{
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  "coverImage": {
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  "description": "The laser beam detector (1) has a photodetector (4), with a number of photo sensors (6) arranged at defined positions relative to a reference point (5), for detection of the pulsed laser beam (2). The photosensor signals are fed to an evaluation circuit (7) controlling an output device (8), e.g. a…",
  "path": "/patents/1081751",
  "publishedAt": "2004-12-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C15/006",
    "HILTI AG [LI]"
  ],
  "textContent": "The laser beam detector (1) has a photodetector (4), with a number of photo sensors (6) arranged at defined positions relative to a reference point (5), for detection of the pulsed laser beam (2). The photosensor signals are fed to an evaluation circuit (7) controlling an output device (8), e.g. a light-emitting diode which flashes in dependence on the offset of the laser beam from the reference point, a phase shifter (10) sensitive to the laser beam modulation frequency positioned between at least 2 photo sensors.",
  "title": "Detector for determining the position of a laser beam"
}